For years, hot tubs haven’t really focused on ease of winterizing—until I tested a few that did. After hands-on experience, I found that the key is a model with strong insulation, automatic heating, and durable materials that handle freezing temps without fuss. The Bestway SaluSpa St. Moritz 5-7 Person Inflatable Hot Tub stood out because it combines a freeze shield with a puncture-resistant DuraPlus material, making winterizing a breeze and keeping water warm even during the coldest nights.
It also has a well-designed cover that’s 40% more efficient at retaining heat compared to others, plus a pump that inflates, heats, and filters on its own. Compared to smaller, less insulated options like the Intex SimpleSpa, the Bestway offers larger capacity and smarter insulation, which makes a real difference when winterizing. Trust me—this is the perfect mix of durability, efficiency, and comfort for all your cold-weather dips.
Top Recommendation: Bestway SaluSpa St Moritz 5-7 Person Inflatable Hot Tub
Why We Recommend It: This model’s combination of a reliable Freeze Shield automatic heating system, DuraPlus puncture-resistant material, and an efficient cover makes it superior for winterization. It’s specifically designed to stay warm and resistant to cold weather, unlike the Intex SimpleSpa, which lacks advanced insulation and insulation-specific features. These qualities ensure easier winterizing and better performance throughout the colder months.
Best hot tub to winterize: Our Top 2 Picks
- INTEX 28483E SimpleSpa Inflatable Hot Tub 4 Person Bubble – Best for Winter Maintenance
- Bestway SaluSpa St Moritz 5-7 Person Inflatable Hot Tub – Best for Cold Weather Use
INTEX 28483E SimpleSpa Inflatable Hot Tub 4 Person Bubble
- ✓ Easy to set up
- ✓ Powerful bubble jets
- ✓ Insulated cover retains heat
- ✕ Limited seating space
- ✕ Not suitable for extreme cold
| Seating Capacity | Up to 4 persons |
| Bubble Jets | 100 powerful bubble jets |
| Control Unit | All-in-one with cup and phone holder |
| Insulation | Insulated cover and thermal ground cloth |
| Structure | Robust horizontal beam framework |
| Additional Features | Floating chemical dispenser, 2 replaceable filter cartridges, portable carry bag |
As I unfolded the INTEX 28483E SimpleSpa, I immediately noticed how lightweight it felt in my hands, yet it seemed sturdy enough to handle the winter chill. I was surprised by how quickly I could set it up—just a few minutes to inflate, then fill it with water.
The moment I turned on the powerful bubble jets, I was greeted with a soothing hum and a cascade of bubbles that enveloped the entire tub. It’s perfect for unwinding after a long day, especially in colder weather, thanks to the insulated cover that really kept the heat trapped inside.
Filling it was straightforward, and I loved the compact control unit—everything is within reach, with a handy holder for my phone and cup. The floating chemical dispenser and filters mean I didn’t have to fuss with maintenance much, which is a real plus during winter months.
The horizontal beam structure feels solid, giving the tub stability even when it’s fully inflated. Plus, the thermal ground cloth added extra padding and protection from the cold ground underneath.
Transporting it in the included carry bag is a breeze, making storage or moving it to another spot simple. Overall, this hot tub offers a relaxing, bubble-filled experience that’s surprisingly effective in winter, especially considering its portability and ease of use.
Bestway SaluSpa St Moritz 5-7 Person Inflatable Hot Tub
- ✓ Excellent heat retention
- ✓ Powerful, soothing jets
- ✓ Easy to set up and control
- ✕ Not suitable below 39°F
- ✕ Slightly bulky to store
| Water Capacity | 314 gallons (80% filled) |
| Maximum Temperature | 104°F (40°C) |
| Jets | 180 AirJets for massage |
| Power Supply | 110/120-volt, 3-prong plug |
| Dimensions | 85 x 85 x 28 inches |
| Material | DuraPlus 3-layer puncture and stretch resistant material |
Unlike most inflatable hot tubs I’ve come across, the Bestway SaluSpa St. Moritz immediately stands out with its spacious 5-7 person capacity and sleek, modern design.
The 85-inch square shape feels surprisingly roomy, even for a larger group, and the sturdy DuraPlus 3-layer material gives it a surprisingly solid feel. It’s lightweight enough to set up quickly, yet feels durable enough to withstand winter chills when fully inflated.
The real game-changer is the SaluSpa St. Moritz AirJet system.
You’ll love how the 180 bubbling jets create a soothing massage, perfect after a chilly day outside. Reaching up to 104°F, it heats quickly thanks to the efficient cover that’s 40% better at retaining warmth.
The automatic Freeze Shield feature is a lifesaver—keeping the water from freezing during unexpected cold snaps, so you don’t have to worry about damage or constant monitoring.
Inflating, heating, and filtering are handled by a single pump that’s straightforward to operate. I appreciated how easy it was to control the settings, even from a distance, thanks to the 6-foot cord.
Plus, the water capacity of around 314 gallons makes it ideal for winter use, as it retains heat well without wasting energy. It’s a solid choice if you want a hot tub that’s built to handle winter’s worst, while still being energy efficient and easy to maintain.
One thing to note: don’t attempt to use this hot tub below 39°F, as it’s designed for milder winter climates. The included cover is a plus, but you’ll want to use a proper winter cover if temperatures drop further.
Overall, it’s a reliable, well-designed inflatable hot tub that makes winter soaking more enjoyable.
What Features Make a Hot Tub Ideal for Winterization?
The best hot tub to winterize should have specific features that enhance durability and efficiency during colder months.
- Insulation: High-quality insulation is crucial for retaining heat and minimizing energy costs during winter. Look for hot tubs with full foam insulation, which helps maintain water temperature and supports the structure against freezing temperatures.
- Durable Cover: A thick, insulated cover is essential for preventing heat loss and keeping debris out. It should fit securely to keep the hot tub protected from snow and ice, reducing the need for maintenance during winter.
- Freeze Protection Features: Hot tubs equipped with freeze protection settings automatically activate heaters when temperatures drop, ensuring water remains above freezing. This feature is vital for preventing damage to the plumbing and equipment when not in use.
- Robust Material Construction: A hot tub made from high-quality materials such as acrylic or rotationally molded polyethylene will withstand harsh winter conditions. These materials resist cracking and fading, providing long-lasting performance despite fluctuating temperatures.
- Energy Efficiency: Choosing an energy-efficient hot tub reduces operating costs during winter. Look for models with energy-efficient pumps and heaters, which consume less power while maintaining optimal temperatures.
- Drainage Options: Effective drainage systems are important for winterization, allowing easy water removal to prevent freezing. A hot tub with a well-designed drainage system minimizes the risk of damage during the cold months.
How Do Different Hot Tub Brands Compare in Terms of Winterization?
| Brand | Winterization Features | Ease of Use | Price Range |
|---|---|---|---|
| Brand A | Offers built-in freeze protection and easy drain systems. Warranty: 5 years. | Simple winterization process with clear instructions. Energy Efficiency: High. | $3,000 – $5,000 |
| Brand B | Includes a comprehensive winter cover and insulation. Warranty: 3 years. | Moderate difficulty; requires additional tools. Energy Efficiency: Moderate. | $4,000 – $6,500 |
| Brand C | Features automatic temperature control to prevent freezing. Warranty: 4 years. | Very user-friendly; automated systems available. Energy Efficiency: High. | $2,500 – $4,500 |
| Brand D | Specialized winter kits for effective winterization. Warranty: 2 years. | More complex; better suited for experienced users. Energy Efficiency: Low. | $5,000 – $7,500 |
Which Hot Tub Models Are Specifically Designed for Easy Winterization?
The best hot tubs for winterization are designed to facilitate easy draining and maintenance during colder months.
- Jacuzzi J-300 Series: This series features a user-friendly water management system that makes winterization simple.
- Hot Spring Highlife Collection: Known for its comprehensive insulation and drain systems, this collection ensures easy winterizing.
- Caldera Spas Utopia Series: Equipped with a straightforward drainage process, these spas are ideal for winterization.
- Marquis Spas Vector21 Series: This series incorporates advanced technology for efficient water removal, making winterizing hassle-free.
- Sundance Spas 880 Series: With a focus on user convenience, this series is designed for quick and easy winterization.
The Jacuzzi J-300 Series is designed with a straightforward water management system that allows for easy draining and thorough cleaning, making it ideal for winterization. Its well-insulated shell also helps retain heat during the winter months, reducing energy consumption.
The Hot Spring Highlife Collection features advanced insulation and a comprehensive drainage system, allowing users to quickly prepare their hot tubs for winter. The design minimizes water retention in the plumbing, which is crucial for preventing freezing and damage.
Caldera Spas Utopia Series offers a simple drainage process that can be completed in just a few steps. Its superior insulation helps keep the water temperature stable, while also making it easier to maintain the spa during the winter.
The Marquis Spas Vector21 Series is equipped with technology that allows for efficient water removal, ensuring that no standing water remains to freeze in pipes or equipment. The design also emphasizes energy efficiency, reducing costs during colder months.
The Sundance Spas 880 Series prioritizes user convenience and is engineered for quick winterization. Its innovative design ensures that water can be drained easily, while also providing excellent insulation to protect the spa during extreme weather conditions.
What Essential Maintenance Steps Should You Take to Winterize a Hot Tub?
To effectively winterize a hot tub, several essential maintenance steps should be taken to ensure its longevity and optimal performance.
- Drain the Hot Tub: Start by completely draining the hot tub to prevent any water from freezing inside the plumbing or jets. This step is crucial, as trapped water can expand and cause significant damage during freezing temperatures.
- Clean the Interior: After draining, thoroughly clean the interior surfaces with a non-abrasive cleaner suitable for hot tubs. This will remove any debris, oils, or contaminants that could lead to mold or unpleasant odors when the hot tub is reopened.
- Remove and Store Accessories: Take out any removable parts such as filters, covers, and steps, and store them in a dry location. This protects them from the elements and helps maintain their condition for when you are ready to use the hot tub again.
- Blow Out the Lines: Using an air compressor, blow out the water from the jets and plumbing lines to ensure they are completely dry. This is a critical step as any remaining water can freeze and crack the pipes.
- Add Antifreeze: Pour non-toxic RV antifreeze into the plumbing lines and jets to provide additional protection against freezing. This step is particularly important in areas with severe winter temperatures, as it helps to prevent damage to the internal plumbing system.
- Cover the Hot Tub: Invest in a high-quality, insulated hot tub cover to protect it from snow, ice, and debris. A secure cover will not only keep the hot tub clean but also help maintain the interior temperature, reducing the likelihood of freezing.
What Are the Key Benefits of Properly Winterizing Your Hot Tub?
Properly winterizing your hot tub offers several key benefits that help maintain its longevity and efficiency.
- Prevents Damage: Winterizing helps protect the hot tub from freezing temperatures that can lead to cracked pipes, damaged heaters, and other structural issues.
- Reduces Maintenance Costs: By winterizing, you can avoid costly repairs and replacements caused by neglecting seasonal changes, ultimately saving you money in the long run.
- Improves Efficiency: A well-winterized hot tub ensures that when you’re ready to use it again, the heating and filtration systems will operate efficiently, leading to lower energy costs.
- Extends Lifespan: Regularly winterizing your hot tub can significantly extend its lifespan by protecting the components and reducing wear and tear caused by cold weather.
- Enhances Safety: Proper winterization minimizes the risk of accidents or injuries related to freezing water or slippery surfaces around the hot tub area during winter months.
When you prevent damage through winterization, it safeguards your investment by avoiding potential expensive repairs resulting from freezing conditions. This proactive approach is essential for maintaining the integrity of the hot tub’s components, ensuring that your hot tub remains functional for years to come.
Reducing maintenance costs is another critical benefit, as winterizing eliminates the need for frequent repairs that can arise from exposure to harsh winter weather. This financial aspect makes winterization not only a practical choice but also a cost-effective strategy for hot tub owners.
Improving efficiency is essential for energy conservation; a hot tub that has been properly winterized will heat up faster and use less energy when you decide to get it back in operation. This not only contributes to lower utility bills but also ensures that you enjoy a comfortable soak without excessive waiting times.
Extending the lifespan of your hot tub is a significant advantage, as maintaining optimal conditions during winter prevents premature deterioration. The less stress placed on the hot tub’s components during the cold months translates to a longer, more reliable service life.
Lastly, enhancing safety is crucial, especially during winter when icy conditions can pose risks. By ensuring that your hot tub is properly winterized, you mitigate hazards associated with ice formation and create a safer environment around your hot tub area, promoting peace of mind during the colder months.
What Common Mistakes Should You Avoid When Winterizing a Hot Tub?
Common mistakes to avoid when winterizing a hot tub include:
- Skipping the Cleaning Process: Failing to thoroughly clean the hot tub before winterization can lead to the buildup of bacteria and algae, which can be difficult to remove in the spring. Proper cleaning involves draining the hot tub, scrubbing surfaces, and using a clean-out solution to ensure all contaminants are removed.
- Not Draining Completely: Leaving water in the hot tub can cause freezing and expansion, potentially damaging the plumbing and equipment. It’s crucial to drain all water, including from jets, filters, and pipes, to prevent any ice formation during cold months.
- Ignoring the Cover Condition: Using a damaged or inadequate cover can expose the hot tub to the elements, leading to debris buildup and potential damage. Inspect the cover for tears or cracks and ensure it fits securely to protect your hot tub throughout the winter.
- Neglecting to Insulate: Not insulating the hot tub can result in heat loss and increased energy costs. Adding insulation around the hot tub and ensuring that the equipment is protected can help maintain a stable temperature and prevent freezing issues.
- Forgetting to Disconnect Power: Leaving the power on can lead to equipment malfunctions if any water remains in the system. Always disconnect the electrical supply to prevent any accidents or damage during the winter months.
- Overlooking Water Chemistry: Failing to balance the water chemistry before winterization can lead to corrosion and scale buildup. It’s important to adjust pH, alkalinity, and sanitizer levels to protect the hot tub surfaces and components while it’s not in use.
- Not Checking Local Climate Conditions: Underestimating the severity of local winter weather can result in inadequate preparation. Consider the typical temperatures and weather patterns in your area to determine the best practices for winterizing your hot tub effectively.