Owning a swim spa is an investment in year-round wellness, relaxation, and fitness. When temperatures drop, proper seasonal care becomes essential. Knowing how to winterize a swim spa helps protect your equipment, plumbing, and shell from freeze damage, costly repairs, and unnecessary wear.
Whether you plan to keep your swim spa running through winter or shut it down completely, the steps below will help you prepare with confidence.
Why Winterizing a Swim Spa Is Essential
Cold weather presents unique challenges for swim spa owners, especially in mountain and high-altitude regions where temperatures can fluctuate quickly. Water expands as it freezes, and even small amounts trapped in plumbing lines, pumps, or fittings can cause cracks or internal damage.
Key benefits of winterizing your swim spa include:
Preventing freeze damage to pipes, pumps, and jets
Extending the lifespan of equipment and components
Before you begin, decide whether you will fully winterize the swim spa (shut it down) or prepare it to operate safely throughout the winter.
Decide Whether to Shut Down or Keep Running
Not all swim spa owners choose to drain their unit for winter. Many modern swim spas are designed to operate year-round when properly maintained and insulated. However, full winterization may be the best option in certain situations.
You may want to shut down and winterize if:
You will not be using the swim spa during winter
Power availability is unreliable
You plan to be away for extended periods
The swim spa is older or less insulated
Energy costs are a concern
If you choose to keep the spa running, winter preparation still involves important steps to maintain consistent heat, balanced water chemistry, and freeze protection.
Gather Tools and Supplies Before You Start
Preparation makes the winterization process smoother and more effective. Before you start, gather the tools and supplies you will need.
Common winterization supplies include:
Garden hose
Submersible pump or spa drain hose
Wet-dry vacuum
Non-toxic RV or marine antifreeze (never automotive antifreeze)
Spa filter cleaner
Clean towels or rags
Water testing kit
Screwdriver or basic hand tools
Protective gloves
Having everything ready reduces the chance of missed steps that could lead to freeze damage.
Step 1: Power Down the Swim Spa Safely
Before draining or servicing any component, turn off power at the breaker. This is critical for safety and helps prevent damage to pumps and heaters when water levels drop.
Make sure:
All control panels are powered off
The GFCI breaker is switched off
The spa cannot cycle automatically during servicing
Never attempt to drain or winterize a swim spa while power is still connected.
Step 2: Drain the Water Completely
Draining the swim spa thoroughly is one of the most important steps. Even small amounts of leftover water can freeze and cause damage.
Steps to drain properly:
Attach a hose to the drain valve or use a submersible pump
Direct water away from the foundation and surrounding areas
Open air valves and diverter valves to help water escape
Allow sufficient time for full drainage
Once drained, inspect the shell and interior surfaces for buildup or residue that should be cleaned before storage.
Step 3: Remove and Clean the Filters
Filters should not be left in the swim spa during winterization. Remove them carefully and clean them thoroughly using a dedicated spa filter cleaner.
After cleaning:
Rinse completely and allow to dry
Store in a clean, dry indoor location
Inspect for wear or damage and replace if needed
Clean filters help improve performance at spring startup and can extend system life.
Step 4: Blow Out the Plumbing Lines
This step is essential and often overlooked. Even after draining, water can remain trapped in plumbing lines, jets, and pumps.
To remove trapped water:
Use a wet-dry vacuum on each jet, suction fitting, and drain opening
Alternate between vacuum and blower modes if available
Continue until no water mist or droplets appear
Pay special attention to swim jets and therapy jets, as these lines often hold more water.
Step 5: Add Antifreeze to Plumbing Lines
After blowing out the lines, add non-toxic antifreeze designed for RV or marine use. Never use automotive antifreeze, as it is toxic and unsafe for spa systems.
Where to add antifreeze (as appropriate for your model):
Jet openings
Pump housings
Filter compartments
Any low points in plumbing
This provides an added layer of freeze protection during extreme cold.
Step 6: Clean and Protect the Interior Shell
Before closing the swim spa, clean all interior surfaces to help prevent stains, odors, and buildup over winter.
Recommended steps:
Wipe down the shell with a spa-safe cleaner
Remove any debris from footwells or seating areas
Dry surfaces thoroughly with towels
A clean shell makes spring startup easier and helps protect the finish.
Step 7: Secure and Insulate the Cover
A high-quality, well-fitted cover is critical for winter protection. Inspect the cover before closing the spa.
Check for:
Cracks or waterlogged foam cores
Torn vinyl or broken straps
A proper seal around the edges
For extra protection, consider adding a thermal blanket under the cover. Secure all straps tightly to reduce wind damage and heat loss.
Step 8: Protect the Cabinet and Exterior Components
Cold temperatures, snow, and ice can affect the exterior of your swim spa. Protecting the cabinet and maintaining airflow can help prevent moisture issues and component damage.
Exterior protection tips:
Clear debris from vents and access panels
Ensure proper drainage around the base
Avoid piling snow against the cabinet
Use a breathable spa cover protector if needed
Good airflow helps reduce moisture buildup and protects internal components.
Ongoing Winter Care for Active Swim Spas
If you choose to keep your swim spa running during winter, maintenance remains essential.
Key winter care practices include:
Maintaining water temperature above freezing at all times
Testing water chemistry regularly
Keeping filters clean and free of ice
Checking the cover seal frequently
Monitoring for error codes or unusual noises
Many premium swim spas are designed to handle cold climates when properly cared for.
Common Winterization Mistakes to Avoid
Even experienced spa owners can make winterization mistakes. Avoid these common issues to protect your investment.
Leaving water in plumbing lines
Forgetting to turn off power completely
Using the wrong type of antifreeze
Skipping filter removal
Relying on the cover alone for freeze protection
Professional service can help prevent these errors, especially in regions with severe winter conditions.
When to Call a Professional
While many steps can be handled by homeowners, professional winterization helps ensure every detail is handled correctly. This can be especially important for swim spas with complex plumbing systems or advanced technology.
Professional service is recommended if:
You are unsure about blowing out plumbing lines
The spa has experienced previous freeze damage
You want warranty-compliant winterization
Time or weather conditions are limited
Experienced technicians have the tools and expertise to help protect your swim spa properly.
Contact Us Today
Learning how to winterize a swim spa is a crucial part of responsible ownership. Whether you shut it down or maintain it through winter, proper preparation protects your investment and helps ensure stress-free enjoyment when warmer weather returns.
If you would like expert guidance or professional winterization services, contact Ajax Pool & Spa, a trusted Jacuzzi® hot tubs dealer serving the Roaring Fork Valley. Our experienced team understands local climate challenges and offers tailored solutions for swim spa owners. Call today and let’s talk solutions.
When you begin comparing a swim spa vs. a hot tub for your backyard upgrade, it quickly becomes clear that both options offer meaningful benefits depending on how you plan to use your outdoor space. Each system brings a different type of relaxation, fitness value, installation requirement, and long-term cost structure. Choosing the right one depends on your lifestyle, your goals, and the environment you want to create at home. Below is a full breakdown to help you make a confident and informed decision.
Understanding the Basics: What Are Swim Spas and Hot Tubs
Swim spas are compact, self-contained aquatic machines designed to create a smooth, adjustable current that allows you to swim in place. They offer a hybrid experience by combining fitness-oriented water resistance with features similar to a spa. Hot tubs, on the other hand, focus primarily on hydrotherapy, comfort, and relaxation. They are equipped with massaging jets, ergonomic seating, and temperature controls that allow you to soak in warm water for pain relief and stress reduction.
Size Requirements and Space Considerations
One of the most significant factors in choosing between the two systems is the space available in your backyard. Swim spas are larger and longer than standard hot tubs because they require enough room for swimming or resistance training. They typically range from 12 to 20 feet in length. Hot tubs are compact and usually seat between two and eight people, depending on the model. They can be installed in a smaller footprint, making them ideal for patios, decks, and modest outdoor areas. While both swim spas and hot tubs require a stable, level foundation, hot tubs are easier to position because many models offer flexible installation options. Swim spas may require more planning to ensure there is adequate clearance for the shell, the mechanical components, and entry and exit points.
Wellness and Therapeutic Benefits
If wellness and therapy are high on your priority list, both systems can provide outstanding benefits, but they function differently. Swim spas support a wide range of fitness activities. The adjustable current allows for low-impact swimming, jogging, rowing, and resistance training. This makes them excellent for people recovering from injuries, athletes seeking targeted conditioning, or homeowners who want a versatile exercise environment. Many swim spas also feature seating with jets for post-workout relaxation. Hot tubs excel at hydrotherapy. Their purpose-built jet systems target sore muscles, joint pain, and tension. Warm water immersion supports circulation and reduces inflammation. This can be especially helpful for those with arthritis, chronic pain, or high stress levels. While swim spas can provide therapeutic options, hot tubs are specifically engineered for long-duration comfort and strategic muscle relief.
Ease of Use and Daily Convenience
Hot tubs offer immediate convenience. They heat quickly, maintain temperature efficiently, and are ready for spontaneous use after a long day. Modern hot tubs include intuitive controls, LED lighting, and ergonomic seat placement designed for effortless relaxation. Swim spas are also convenient, but because they are larger and involve exercise functionality, they require more planning for daily use. The water volume is greater, which means heating and maintaining the temperature may take longer. However, once they reach the programmed settings, they can be used for both workouts and relaxation in one place.
Maintenance Requirements
Maintenance is an important consideration with any aquatic system. Swim spas hold more water, which means more chemicals, more filtration, and more frequent monitoring. However, many modern swim spas include advanced purification systems that simplify routine care. Hot tubs have smaller water volumes and generally require fewer chemicals and less upkeep. With Jacuzzi® models in particular, built-in filtration and modern water care technology help keep the water cleaner and fresher with minimal effort. Although both systems need consistent attention, hot tubs tend to be easier to maintain on a weekly basis.
Installation and Setup Costs
Installation costs vary based on the model, site preparation, and electrical requirements. Swim spas are typically more expensive to purchase and install because of their size and complexity. They may require reinforced foundations, dedicated electrical hookups, and additional delivery considerations based on access. Hot tubs are more cost-effective to install. Many models plug into standard power or require only minor electrical upgrades. Because they are lighter and smaller, delivery is simpler, and your space may require less structural preparation.
Long-Term Operating Costs
When considering long-term expenses, energy use, maintenance materials, and repair potential all come into play. Swim spas consume more energy due to their larger pumps, heaters, and water volume. Though energy-efficient models and insulated shells help reduce costs, they remain more expensive to operate than a standard hot tub. Hot tubs are more energy efficient overall. Their smaller size and thermal retention systems make them less costly to heat and operate throughout the year. Over time, a hot tub generally represents a lower financial commitment compared to a swim spa.
Lifestyle and Entertainment Value
For many homeowners, the decision goes beyond features and cost. It often depends on the type of experience they want in their backyard. Swim spas offer a fitness-focused lifestyle. They are ideal for individuals who enjoy swimming, aquatic resistance training, or multi-use wellness environments. Families may also appreciate the versatility because children can use the swim area to play while adults enjoy the spa seating. Hot tubs are perfect for relaxation, conversation, and connection. They create an atmosphere centered on comfort and stress relief. Whether for romantic evenings, family time, or social gatherings, a hot tub provides an inviting focal point for your backyard.
Seasonal and Climate Considerations
In climates with varying seasons, such as the Roaring Fork Valley, both swim spas and hot tubs can be used year-round if properly insulated. However, hot tubs are particularly well-suited for cold weather. Their warm water immersion is soothing in the winter months, and the smaller water volume heats quickly even on cold days. Swim spas can also be used in cold weather, but they may take longer to heat and maintain ideal temperatures. Ensuring the system is well insulated and protected from the elements will help maintain performance throughout the year.
Property Aesthetics and Backyard Design
When designing an outdoor retreat, aesthetics matter. Hot tubs offer design flexibility and can be seamlessly integrated into patios, decks, or landscaped areas, providing a seamless addition to your outdoor space. Their compact footprint makes them adaptable to a wide variety of backyard styles. Swim spas require more space, but they provide a sleek, modern look that complements contemporary landscapes. Their long rectangular shape creates a visual focal point and can serve as a centerpiece for a fitness-oriented outdoor environment. Whether you prefer streamlined simplicity or a dedicated exercise hub, both systems can elevate your property.
Who Should Choose a Swim Spa
A swim spa is likely the best choice if you:
Want a dual-purpose system for fitness and relaxation
Enjoy swimming and resistance-based workouts
Need low-impact exercise options for rehabilitation
Prefer a single machine that offers both spa seating and a swim current
Have the backyard space to accommodate a larger structure
Want year-round aquatic fitness without building a full-sized pool
Who Should Choose a Hot Tub
A hot tub may be a better fit if you:
Prioritize relaxation and hydrotherapy
Want a cost-effective installation with lower operating expenses
Have limited backyard space
Prefer a simpler system with easy maintenance
Enjoy gathering with family and friends in a cozy, intimate setting
Want a warm, soothing escape after outdoor adventure or daily stress
Choosing the Best Fit for Your Home
Deciding between a swim spa and a hot tub comes down to your goals, your space, and the experiences you want to create. Swim spas excel in fitness, versatility, and multifunctional use. Hot tubs shine in comfort, hydrotherapy, and stress-free enjoyment. Both can be excellent additions to your home, but the right choice aligns with your personal lifestyle and how you envision using your outdoor space over time. If your priority is targeted exercise, year-round swimming, or full body conditioning, a swim spa may offer the perfect blend of performance and convenience. If your focus is warmth, relaxation, and social connection, a Jacuzzi® hot tub provides all the comfort and luxury needed to unwind anytime.
Contact Ajax Pool & Spa Today
If you are ready to explore the perfect water wellness solution for your backyard, Ajax Pool & Spa can help. As a trusted Jacuzzi® hot tubs dealer serving the Roaring Fork Valley, we offer expert guidance, premium products, and personalized recommendations. Call today and let’s talk solutions.
Understanding what it takes to own and operate a swim spa is essential for making a confident investment. One of the most common questions potential owners ask is: How much does a swim spa cost to run each month? Energy consumption, climate, usage habits, and equipment quality all contribute to overall operating expenses. In this guide, we break down the major factors that impact monthly costs so you can plan accurately and budget effectively. If you are researching the topic, you have likely already come across the term swim spa energy cost which is central to calculating total ownership investment.
What Impacts Monthly Swim Spa Costs
Swim spa operation is influenced by multiple variables, and each can cause your monthly costs to rise or fall. These are the biggest contributing factors:
Climate and Outdoor Temperatures
In colder regions, a swim spa requires more energy to maintain a consistent temperature. Heat loss is faster during winter, windy conditions, or in areas with large daily temperature swings. Homeowners in higher elevations or colder climates will naturally see higher energy use than those in mild or warm environments.
Insulation Quality
The insulation system in a swim spa is one of the most important elements affecting the monthly operating cost. A premium, well-engineered insulation package reduces heat loss, minimizes strain on the heater, and lowers total energy use. High-end brands often use dense foam layers, insulated bases, and sealed cabinetry that help retain warmth. Lower quality models with poor insulation will cost significantly more to operate because they lose heat faster and require constant reheating.
Heater Size and Efficiency
A powerful heater can raise water temperature quickly, but high wattage does not always mean high cost. The true indicator of efficiency is how well the system maintains water temperature once it reaches your preferred setting. Efficient heaters use smart controls and well-designed plumbing systems to maintain even temperatures with minimal cycling.
Pump Systems
Swim spas use multiple pumps for jet action, filtration, and circulation. Energy-efficient pumps can substantially reduce monthly operating costs. Many high-quality systems use variable-speed pumps that adjust power usage based on real-time needs. Older or lower-tier models using single-speed pumps will always consume more energy.
Frequency of Use
The more often you run high-power features such as jet currents, hydrotherapy seats, and lighting, the more energy your swim spa will consume. Daily use is still affordable with the right equipment, but heavy users should expect this variable to influence their monthly bill.
Water Temperature Preferences
Higher temperature settings result in more energy use. A typical swim spa used for exercise is kept between 82 and 90 degrees, while hydrotherapy features may require warmer temperatures. Even a difference of two to three degrees can change the monthly cost, especially in the winter.
Average Monthly Swim Spa Operating Cost
While costs vary widely, most homeowners can expect to spend between 50 and 150 per month on energy. This range depends on the factors above as well as local utility rates. A large premium model with superior insulation in a moderate climate may operate for as little as 40 to 60 per month. The same spa in a cold mountain region might cost 100 to 200 per month, depending on usage habits.
Here is a closer look at the cost categories that make up monthly expenses.
Electricity
Electricity is the largest portion of monthly swim spa costs. The heater accounts for most of the consumption, followed by pumps and control systems. Swim spas designed with energy-saving technology can keep electricity costs manageable even with frequent use. Modern designs often incorporate:
Smart heating cycles
Multi-layer insulation
Insulated covers
Energy-efficient circulation pumps
LED lighting
Homeowners with high-efficiency models often report significantly lower electricity use compared to those with older or budget units.
Water and Chemicals
Swim spas require far less water volume than a full-sized pool, making them more affordable to fill and maintain. Most models need water replacement every four to six months, depending on use. Water costs vary based on your location, but are generally minimal.
Chemical expenses typically average 20 to 40 per month. Maintaining balanced water helps protect swim spa equipment and keeps energy usage consistent because improperly balanced water can strain pumps and heating systems.
Filters and Routine Maintenance
Replacement filters may cost 20 to 60 each, depending on the type and size. Many homeowners replace filters quarterly, though some reusable models can last longer with proper cleaning. Routine maintenance is simple and low-cost compared to traditional pools and does not significantly add to monthly operating costs.
How High-Quality Swim Spas Reduce Monthly Costs
Not all swim spas use energy the same way. High-end manufacturers design systems that minimize temperature loss and reduce daily energy costs. When comparing brands or models, consider the following energy-saving features.
Full Foam Insulation
This type of insulation surrounds the shell, plumbing, and equipment, keeping heat inside and reducing the workload on the heater. Full foam insulation is common in premium models and is especially beneficial in cold climates.
Energy Efficient Covers
A well-fitting, insulated cover traps heat when the system is not in use. Covers prevent heat escape from the water surface, one of the largest sources of energy loss. Quality covers can make a significant difference in month-to-month costs.
Smart Control Systems
Modern control panels allow homeowners to schedule heating cycles, maintain a consistent temperature, and monitor energy consumption. Smart controls help avoid unnecessary heating and ensure the system runs only as needed.
Efficient Jet and Pump Design
Variable speed pumps and efficient plumbing layouts reduce friction and improve water movement without excessive energy use. Premium swim spas are engineered to deliver strong current performance while keeping operating costs low.
Ways Homeowners Can Reduce Swim Spa Energy Costs
Even with a highly efficient system, homeowners can take additional steps to minimize monthly swim spa expenses.
Use a High-Quality Cover Consistently
Keeping the cover in place when the spa is not in use is one of the easiest ways to reduce heat loss. Make sure the cover seals tightly and is in good condition. Replace worn or damaged covers promptly.
Lower the Temperature When Not in Use
Dropping the temperature by a few degrees when the spa is idle for extended periods can help reduce electricity use. Just be sure to allow time for the water to warm up again before your next session.
Keep Filters Clean
Dirty filters restrict water flow and cause pumps to work harder. Rinse filters weekly and follow manufacturer guidelines for deep cleaning or replacement.
Maintain Balanced Water Chemistry
Balanced chemistry reduces strain on pumps and heaters, increases efficiency, and prolongs equipment life.
Add Wind Barriers
Wind accelerates evaporation and heat loss, especially in open outdoor spaces. Fencing, privacy panels, or landscaping can help shield your swim spa area from wind exposure.
Choose a Premium Brand
Selecting a high-quality swim spa built for performance and efficiency will reduce long-term operating costs. While the upfront investment may be higher, the lifetime savings in energy use often outweigh the initial difference.
Estimating Your Personal Monthly Cost
To determine your personalized monthly cost estimate, consider the following:
Your climate and seasonal conditions
Your preferred water temperature
Frequency of use
Local electricity rates
Size and model of the swim spa
Quality of the insulation and pump systems
A professional swim spa dealer can provide a tailored estimate and walk you through energy-saving features that match your preferences and lifestyle.
Make an Informed Investment with Ajax Pool & Spa
Choosing a swim spa is an investment in your health, comfort, and home value. Understanding monthly operating costs is a key part of that decision. With the right model and proper care, owning a swim spa can be a cost-effective and enjoyable long-term addition to your home.
Ajax Pool & Spa is a trusted Jacuzzi® hot tubs dealer serving the Roaring Fork Valley. If you are considering a swim spa and want expert guidance on cost, efficiency, and model selection, our team is here to help. Call today and let’s talk solutions.
When it comes to choosing the best swim spas for home use in 2025, exclusive access to models from Ajax Pool & Spa Aspen offers unparalleled quality, service, and design—especially for homeowners in the Aspen area who want both performance and elegance. As a trusted dealer of leading brands like Jacuzzi® and American Whirlpool®, Ajax brings a curated selection built to thrive in Colorado’s mountainous climate.
Swim Spa Options Available from Ajax Pool & Spa Aspen
Ajax Pool & Spa Aspen offers a refined line-up of Jacuzzi® swim spas that blend aquatic fitness with hydrotherapy. Here are the models you’ll find:
J-13 PowerPlay™
J-14 PowerActive™
J-14 PowerPro™
J-16 PowerActive™
J-16 PowerPro™
J-19DT PowerPro™
J-19 PowerActive™
J-19 PowerPro™
These models represent the top tier of Jacuzzi’s swim spa technology, engineered for performance, comfort, and energy-conscious efficiency. Ajax provides not only the sale, but also full-scale installation and service tailored to the specific challenges of Aspen’s high-elevation environment—like insulation, snow load considerations, and water chemistry calibration.
Key Features to Look for in a Premium Swim Spa
Robust Swim Current Technology
The PowerActive™ and PowerPro™ names indicate strong, air-enhanced swim currents ideal for training. These currents are engineered to provide smooth, resistance-enabled swimming, making them versatile for recreation and exercise.
Dual-Zone Design (Swim + Relaxation)
Most Jacuzzi swim spa models—especially in the longer formats like J-16 and J-19—feature a dedicated swim area plus a hydrotherapy zone with ergonomic seating and jets. This dual functionality offers both workout and relaxation in one compact footprint.
Superior Insulation & Heat Retention
Designed with mountain living in mind, these swim spas likely benefit from Jacuzzi’s advanced insulation systems and Ajax’s carefully managed installation techniques—key for maintaining energy efficiency in Aspen’s cold winters.
Smart Layout & Elevated Craftsmanship
Each model is intentionally designed for both performance and style, with attention to aesthetics, user comfort, and longevity. Ajax’s technician-led installation ensures reliability and region-specific optimization.
Expert Local Support & Installation
Ajax doesn’t just sell—you get a full-service experience. From on-site consultations to professional installation and maintenance, our team handles every detail to ensure your swim spa performs beautifully through all seasons.
Energy Efficiency: How the Ajax Swim Spas Hold Up
Built for Year-Round Aspen Living
With full insulation and thoughtful installation by technicians who understand the demands of high altitude and dramatic temperature swings, these swim spas are engineered to retain heat and minimize energy use throughout severe winters.
Advanced Current Systems
Jacuzzi’s swim systems are designed for consistent performance without excessive energy draw. When combined with Ajax’s focus on precise installation, this leads to more efficient heating and circulation.
Compact Footprint = Less Waste
Compared to a traditional pool, these swim spas occupy a significantly smaller space, which means lower heating demands. Every spa model—from the 13-foot PowerPlay™ to the longer J-19 variants—offers aquatic wellness with smarter resource use.
FAQs: What Aspen Homeowners Need to Know
Which brands are considered top-rated for swim spas?
Within Ajax’s curated inventory, Jacuzzi® stands front and center. Known globally for innovation and reliability, these swim spas are synonymous with quality. Ajax backs them with local expertise and award-winning installations dating back over 30 years.
What features should I look for in a premium swim spa?
Swim-current type and power (PowerActive™ or PowerPro™)
Dual-zone configurations for mixed-use (swimming + hydrotherapy)
Insulation and thermal efficiency ideal for cold climates
Ergonomic seating and jet placement
Stylish design complemented by expert installation
Ongoing maintenance and support from a trusted local team
How do the best swim spas compare in energy efficiency?
Jacuzzi models offered by Ajax, installed with region-specific considerations, perform well in energy conservation thanks to advanced insulation, efficient currents, and Ajax’s climate-informed expertise. We offer a highly efficient alternative to large pools, especially in mountain environments.
5. Selecting the Right Model for Your Lifestyle
J-13 PowerPlay™
Compact and space-conscious—best for small yards or junior swim needs.
J-14 PowerActive™ / PowerPro™
Ideal for solo workouts or couple use; offers a balanced swim area and relaxation zone.
J-16 PowerActive™ / PowerPro™
Longer platform for more comfortable strokes and deeper swim, plus ample relaxation space.
J-19DT PowerPro™ / J-19 PowerActive™ / PowerPro™
Top-of-the-line length and power. These models are perfect for serious swimmers, families, or anyone seeking maximum swim length paired with substantial therapeutic seating.
All models allow Ajax to adapt insulation, water chemistry systems, and installation layout to your home’s specific elevation, structure, and access configuration.
Why Ajax Pool & Spa Aspen Stands Out for Swim Spas
Local Expertise: Serving Aspen and Western Colorado since 1993 with a seasoned showroom and technicians who understand mountain conditions.
Premium Products: Exclusive access to Jacuzzi® swim spas known for quality and innovation.
Full-Service Care: Consultation, site checks, personalized selection, installation, and maintenance—all under one roof.
Reliable Reputation: A history of excellence, installation awards, and deep community ties.
Partner with Ajax Pool & Spa Aspen Today
Ajax Pool & Spa Aspen offers some of the best swim spas available in 2025 by pairing Jacuzzi® models with expert local service, tailored installation, and year-round performance suitable for Colorado’s climate.
Ready to Elevate Your Home with a Swim Spa?
If you’re in the Aspen area and want a swim spa that blends performance, comfort, and efficiency, connect with Ajax Pool & Spa Aspen today. Let our team guide you through the selection, from compact models like the J-13 PowerPlay™ to full-length swim-and-relaxation combinations like the J-19 PowerPro™. We’ll handle design, installation, and maintenance with precision and care, so you can enjoy your personal aquatic retreat regardless of the season.
Turn to our team at Ajax Pool & Spa Aspen today for high-quality pool and swim spa solutions crafted for your lifestyle and environment.
Swim spas have become increasingly popular for homeowners who want the best of both worlds: the exercise benefits of a pool and the relaxation features of a hot tub. Whether you’re an athlete seeking low-impact training or a family looking for a versatile backyard feature, selecting the right swim spa size is one of the most crucial decisions you’ll make.
Understanding swim spa sizes will help you determine which model suits your space, lifestyle, and budget. From compact options designed for small yards to expansive models that mimic a full-length lap pool, swim spas come in a wide variety of dimensions.
What Is a Swim Spa?
A swim spa is a hybrid between a swimming pool and a hot tub. It uses powerful jets or propulsion systems to create a current that allows users to swim in place, making it possible to enjoy a continuous workout without needing a large traditional pool. Many swim spas also feature hydrotherapy seats and jets, blending fitness and relaxation in a single unit.
Because of this dual purpose, choosing the right size is crucial. A swim spa that is too small may feel cramped and limit your ability to exercise effectively, while one that is too large may be costly and require more maintenance than you bargained for.
What Are the Most Common Dimensions of Swim Spas?
When shopping for a swim spa, you’ll notice a wide range of lengths, widths, and depths. Let’s break down the standard categories:
Compact Swim Spas
Length: 10–12 feet
Width: 7–8 feet
Depth: 4–5 feet
Compact models are designed for homeowners with limited backyard space or those who primarily want relaxation and light exercise. While you can still swim in these, the shorter length may feel restrictive for taller individuals or serious athletes. However, they’re perfect for aqua jogging, resistance exercises, and hydrotherapy.
Mid-Size Swim Spas
Length: 13–16 feet
Width: 7–8 feet
Depth: 4–5 feet
These are the most popular sizes, offering a balance between exercise space and relaxation. Mid-size swim spas allow for a comfortable swim experience with enough room for strokes like freestyle and backstroke. They also often include multiple hydrotherapy seats, making them versatile for both workouts and family use.
Large Swim Spas
Length: 17–20+ feet
Width: 7–8 feet
Depth: 4–6 feet
Large swim spas are ideal for those who want a true lap swimming experience. With greater length, they allow for stronger currents and more room to maneuver, making them the closest alternative to a traditional swimming pool. They also provide plenty of space for multiple users at once, making them perfect for families or social gatherings.
How Much Space Do You Need for a Swim Spa?
The physical dimensions of a swim spa are just one part of the equation—you also need to consider installation requirements and accessibility.
Allowing Clearance Around the Spa
Manufacturers recommend leaving at least 3 feet of clearance on all sides of your swim spa for maintenance and safe entry. This space ensures service technicians can access panels and components without difficulty.
Consider Delivery and Placement
Swim spas are heavy and bulky, so you’ll need enough space for delivery and installation. A crane may be necessary if access is limited. The placement surface must be a reinforced concrete pad or deck capable of supporting thousands of pounds when the spa is filled with water and occupants.
Indoor vs. Outdoor Placement
If you’re considering placing a swim spa indoors, measure doorways, hallways, and ceiling heights carefully. Adequate ventilation is also critical to avoid moisture buildup. Outdoor installations generally provide more flexibility, but you’ll want to account for landscaping, fencing, and privacy features.
Electrical and Water Access
Most swim spas require a dedicated electrical hookup and easy access to a water source for filling and maintenance. Planning these connections in advance will make installation smoother.
How Do Swim Spa Sizes Affect Performance and Pricing?
The size of a swim spa has a direct impact on how it performs and how much it costs. Here’s what you should know:
Performance Considerations
Swimming Experience: Larger swim spas provide a longer “lane” and stronger currents, giving athletes a more realistic swimming experience. Compact models may limit stroke length or intensity.
Exercise Variety: Bigger swim spas allow for a broader range of aquatic exercises, including resistance training with accessories, aqua aerobics, and family-friendly activities.
Hydrotherapy Features: Smaller spas may include only one or two hydrotherapy seats, while mid- and large-sized models often have multiple seats and advanced jet configurations.
Water Flow Technology: Larger spas often include more powerful propulsion systems to maintain consistent resistance across a longer swim area.
Pricing Factors
Initial Cost: Compact models typically start at around $15,000–$20,000, while mid-size spas range from $20,000–$35,000. Large models can exceed $40,000, depending on features and brand.
Operating Costs: Larger spas require more water, higher energy use for heating, and greater maintenance supplies, leading to higher monthly operating expenses.
Value Over Time: While larger swim spas cost more upfront, they may deliver better value if you plan to use them regularly for fitness and family enjoyment. Compact spas, however, are budget-friendly and easier to maintain.
Key Factors to Consider When Choosing a Swim Spa Size
Selecting the right swim spa involves more than just picking a number. Here are the main factors to weigh:
1. Your Fitness Goals
If your primary purpose is swimming for exercise, a mid- or large-sized spa will provide the best experience. For general relaxation and light exercise, a compact spa may be sufficient.
2. Number of Users
Families or those who plan to entertain guests may want a larger swim spa with multiple seating options. Solo users may find a smaller spa more than adequate.
3. Available Space
Measure your backyard or indoor installation site carefully. Don’t forget to factor in the additional clearance needed for service and safe access.
4. Budget
Your budget will play a significant role in determining which size you can afford. Remember to account for both the upfront purchase price and ongoing operating expenses.
5. Long-Term Plans
Consider how your needs may change in the future. A larger swim spa may be a worthwhile investment if you anticipate a growing family use or increased interest in aquatic exercise.
Pros and Cons of Different Swim Spa Sizes
To make the decision easier, here’s a quick comparison of small, mid, and large swim spas:
Compact Swim Spas
Pros: Affordable, space-efficient, easier to maintain, quicker to heat.
Cons: Limited swim area, fewer seating options, less suitable for athletes.
Mid-Size Swim Spas
Pros: Balanced size, versatile, good for families, strong exercise potential.
Cons: Moderate cost, requires more space and maintenance than compact models.
Large Swim Spas
Pros: Best swim experience, plenty of room for multiple users, strong current systems.
The right swim spa size depends on your space, lifestyle, and goals. If you want a compact relaxation hub, a smaller model may be perfect. If you’re an athlete or have a large family, a mid- to large-sized spa will give you the versatility and performance you need.
Whatever your choice, remember that swim spas are a long-term investment in both health and enjoyment. Taking the time to evaluate your options carefully will ensure you select the perfect size for your home.
Contact Us Today
If you’re considering adding a swim spa to your property in Aspen, our team is here to help. At Ajax Pool & Spa Aspen, we specialize in high-quality pool and hot tub products tailored to your needs. Whether you’re looking for a compact model for personal relaxation or a full-sized spa for family fitness, we’ll guide you through the selection process and ensure a seamless installation.
Ready to explore the best swim spa sizes for your home? Contact us today and let us help you transform your backyard into a year-round oasis.
