Spa Blanket


Are you fed up with your hot tub losing heat and increasing your energy costs? Do you like to take a warm bath without having to reheat the water all the time? Thermal blankets for hot tubs are the ideal option for anyone who wants to save time and money while still getting a soothing dip. In addition to maintaining the water's temperature, they can cut energy expenses by up to 30%. You won't have to constantly reheat the water or worry about your energy bill when you use a tub cover to relax in a warm bath. Then continue reading to learn more about how covers can be useful if you're searching for a simple approach to save time and money while still enjoying a soothing soak.


Hot tub thermal blankets are an effective way to reduce energy costs and maintain a comfortable temperature.

  • Thermal blankets help keep the heat in, reducing the amount of energy needed to maintain a desired temperature.
  • They also protect against dirt, debris, and other contaminants that can damage your hot tub.
  • High-quality thermal blankets are durable and designed to last for years with proper care.

Investing in a cover is an easy way to save money on energy costs while keeping your hot tub clean and comfortable!


Hot Tub Thermal Blanket Bestsellers

Bestseller No. 2
Spa Depot Thermo-Float 16-mil 7ft x 7ft Hot Tub Bubble Cover...
Spa Depot Thermo-Float 16-mil 7ft x 7ft Hot Tub Bubble Cover...
Heavy-duty for longer service life - Thick 16 mil film (16/1000"); Reduces evaporation heat loss up to 95%

8×8 Thermal Blanket Bestsellers

Bestseller No. 3
Spa Depot Thermo-Float 16-mil 8ft x 8ft Hot Tub Bubble Cover...
Spa Depot Thermo-Float 16-mil 8ft x 8ft Hot Tub Bubble Cover...
Heavy-duty for longer service life - Thick 16 mil film (16/1000"); Reduces evaporation heat loss up to 95%

Option #1. 7 Feet by 7 Feet Thermal Blanket

7-Feet by 7-Feet Thermal Blanket

Compatible with: 7’ x 7’ square spas Use this 7 Feet by 7 Feet Thermal Blanket  for all your hot tub heating needs! If you have a smaller hot tub you’re looking to heat the all-natural way, look no further than this bubble style thermal blanket to get the job done right. Simply float this option on the surface of your hot tub and let it do the work for you! It will absorb heat from the sun and keep the water in your spa warm at all times. You can use it in conjunction with a hard plastic traditional cover for added protection or use it on its own. Either way, it will provide you with warm hot tub water whenever you need it.


  • Stiff plastic is easy to spread and pick up as necessary.
  • The plastic cover won’t get bunched up or stuck in your filter unit with frequent use.
  • Cuts down on the number of times your spa runs naturally during the day to heat the water.


  • This offer may need to be rinsed before first use since it can cause foaming in your spa water.
  • This choice may not cover the entire surface of the spa, leaving an inch or two around the perimeter.
  • This offer may look dirty very often and will need to be cleaned as part of your regular cleaning routine.

Option #2. Solar Cell 8×8 Thermal Spa Blanket

KCHEX Solar-Cell 8 X 8 Thermal Spa Blanket - Bubble Type 8x8...

Compatible with: 8’ x 8’ square spas The Solar Cell 8x8 Thermal Spa Blanket  is a bubble-style hot tub cover designed to float comfortably on the surface of the water without ever bunching up or becoming dislodged from the use of the jets. This option retains heat from the sunlight when you use it underneath a traditional hard plastic spa cover. Working together, the two types of covers can help move heat from the sun directly to the surface of your spa water, which in turn keeps it heated at all times for quick use and a lower electric bill too.


  • Durable plastic cover stays flat even when the jets are running in the hot tub.
  • The extra heavy cover won’t be damaged in inclement weather.
  • Despite its increased thickness and weight, it’s very easy to remove and replace as needed.


  • This choice may arrive with some bubbles missing or popped from transit.
  • This offer may need to be replaced after a few years of extended use.
  • This choice may have an uncomfortable smell for the first few days after opening.

Option #3. 9 ft. x 9 ft. Floating Solar Spa and Hot Tub Cover

In The Swim 9' x 9' Blue Solar Cover 12 Mil for Solar Heating...

Compatible with: 9’ x 9’ square spas Bring home this 9 ft. x 9 ft. Floating Solar Spa and Hot Tub Cover  to heat up your hot tub the natural way! This offer is made to be light and thin, and much easier to handle than traditional bulky spa covers. This option spreads evenly over the surface of your hot tub and is made from a material that absorbs the heat from direct sunlight. From there, that heat is dispersed throughout the water in your hot tub, providing plenty of warmth without having to constantly run your heater. Best of all, as soon as you remove the spa cover, your water will be hot and ready to go!


  • This nice blue color looks aesthetically pleasing on top of your hot tub.
  • Durable thickness is great for use in bad weather or direct sunlight.
  • Cuts back on the number of times your hot tub kicks on regularly.


  • This offer may arrive with a seam down the center that will need to be pressed out.
  • This choice may have a very strong and unpleasant odor on arrival that will wear off in a few days.
  • The cover will need to be replaced after a couple of years of extended use.

Option #4. 10 ft. x 10 ft. Floating Solar Spa and Hot Tub Cover

In The Swim 10 x 10 Foot Spa and Hot Tub Solar Blanket Cover 15...

Compatible with: 10’ x 10’ square spas If you have a large spa that needs to be heated the natural way, look no further than this 10 ft. x 10 ft. Floating Solar Spa and Hot Tub Cover . This choice is made to spread out over the surface of your hot tub and float on the water without having to be attached to anything. This option absorbs sunlight and utilizes it to directly heat up the water in your hot tub without having to run the heater all the time. This is an environmentally-friendly and all-natural way to heat your hot tub without having to run up your electric bill.


  • This offer reduces your electric bill by helping your hot tub stay warm without too many cycles.
  • Easy to put on and replace despite durable thickness.
  • This pretty blue color looks nice with any hot tub waterscape.


  • This offer may not work well in cold climates unless it is used in conjunction with a traditional plastic cover.
  • This choice may arrive with a seam in the center that will need to be pressed out before use.
  • This offer may smell unpleasant like plastic immediately after opening.

Option #5. 11 ft. x 11 ft. Floating Solar Spa and Hot Tub Cover

In The Swim 11' x 11' Blue Solar Cover 12 Mil for Solar Heating...

Compatible with: 11’ x 11’ square spas This 11 ft. x 11 ft. Floating Solar Spa and Hot Tub Cover  is the perfect solution for anyone looking to heat a very large spa or even a small pool by harnessing the power of the sun. This is not a solar panel style heating system, but it is a great way to provide hot water at all times without having to run your hot tub’s heater constantly. Simply lay it on top of the water and allow it to soak up the sunlight naturally. This offer will also naturally heat the water by trapping the sun’s warmth and using it to keep your water as hot as you like it at all times.


  • Large size makes this a great option for anyone with a big or custom sized hot tub.
  • Despite its weight and thickness, this offer is easy to move and replace as needed for regular use.
  • Won’t bunch up or clog your jets or filter even when in use.


  • This choice may not work well in cold climates unless it is used in conjunction with a traditional plastic cover.
  • Although it is designed to be trimmed down to other sizes, this may be very difficult to do.
  • This offer may arrive with some bubbles popped or damaged from transit.

Are you interested in a great way to keep your spa or hot tub clean and covered? Do you want to help maintain the temperature efficiently to save power and energy usage? If you replied “YES” to any of these queries, you’re undoubtedly in the RIGHT PLACE. Please read on to find out more…

Hot tub thermal cover blankets are are very thin sheets of plastic covered in tiny bubbles that help them float on the surface of your spa water. They use the heat from the sun to warm up the water and keep it warm as much as possible. They’re a great solution if your hot tub is placed in direct or nearly direct sunlight in your backyard.

So if you’re in the market for something like this, you should probably think about investigating our top picks list down the page. You’ll find out all you need to know to assist you to choose the perfect thermal spa blanket for your own particular situation and circumstances. So, with that out of the way, let’s get going!

As we discussed, these products are certainly effective anytime you’re trying to heat your spa or hot tub on a budget. But are these products also good at keeping things at home green and environment-friendly? Totally! By continuing to keep one of these superb blankets at your side, you’ll most definitely be doing your part in keeping your footprint lower. If this is your actual concern, grabbing one of these products is a great idea, whether your tub is 6’x6′ or something much larger. Every little bit counts!

Whatever the case, remember this tip: It’s hard to remember whether to put solar blanket bubbles up or down. However, the general consensus is to put them down. When they’re down, they can help the blanket float easier and provide more space for heat to move. Do this and you’ll never wonder whether to put spa solar cover bubbles up or down again.

We hope that we’ve been able to assist you choose a superb thermal spa blanket today!

5 Tips for Keeping Your Hot Tub Insulation Device in Tip-Top Shape

  1. Make sure to clean your thermal blanket regularly with a mild detergent and warm water. This will help keep it free of dirt, debris, and bacteria.
  2. Check the condition of your thermal blanket often. If you notice any tears or rips, replace it immediately.
  3. Store your thermal blanket in a cool, dry place when not in use. This will help prevent mold and mildew from forming.
  4. If you have an electric hot tub, make sure to unplug the power cord before removing the thermal blanket.
  5. Replace your thermal blanket every two to three years to ensure optimal performance.

ALSO: Consider investing in a hot tub cover lifter for easy access to your hot tub!</p

Beneficial Information For Readers

Any owner of a hot tub needs to have these useful products on hand. They not only assist in maintaining a constant water temperature but also lower energy expenses and increase the lifespan of your hot tub. Vinyl, polyester, and foam are just a few of the materials used to make thermal blankets. They are available in various sizes to fit the majority of hot tubs with standard dimensions and are simple to install. Improved insulation, which helps to maintain the appropriate temperature for longer periods of time, lower energy costs owing to less heat loss, and protection from debris like leaves or dirt that could harm your hot tub's surface are some advantages of utilizing a thermal blanket. Thermal blankets can also shield against UV radiation, which can eventually fade or discolor materials. Size, material type, thickness, durability, and price are crucial considerations when selecting a thermal blanket for your hot tub. Vinyl is frequently seen as the finest alternative owing to its low cost and durability, whereas foam is more portable but could not be.

Ideas for Use: What Are They Effective for?

There are three main uses for these blankets. First, they keep the water at a constant temperature by retaining heat inside the tub. This is particularly helpful in the colder months when you want to take a hot bath without having to add hot water all the time. Second, they assist in lowering evaporation, which can lower your energy costs by requiring your heater to work less. Finally, these blankets add an additional layer of insulation that helps shield your hot tub's surface from harm from UV rays and other external elements. When you consider all these advantages, it's clear why thermal blankets are a crucial addition for any hot tub owner trying to maximize their investment.

The Cons: What To Expect

There are a few disadvantages to take into account despite the many advantages of these useful products. They can be challenging to install and maintain, to start. To guarantee that the blanket fits properly and is securely fastened, the installation procedure calls for exact measurements and great attention to detail. Additionally, the fabric used to make these blankets may be prone to deterioration over time, necessitating routine maintenance like cleaning or part replacement. Fortunately, these drawbacks have some workable solutions. For example, to make sure that everything is done properly, it might be useful to engage the aid of a professional installer who has experience with these useful devices. Purchasing a high-quality blanket composed of sturdy materials can also help lessen the frequency of maintenance and repairs.

What Factors Should Be Used To Evaluate Them?

The three most crucial quantitative factors to consider while assessing these useful products are insulating effectiveness, cost, and durability. A higher r-value implies better insulation, which is determined by how well the blanket prevents heat escape from the hot tub. The material that was utilized to construct the blanket and its resistance to wear and tear over time are taken into consideration when determining durability. Cost is calculated by contrasting the costs of several thermal blanket brands and types. The ideal thermal blanket for your needs should be chosen after considering all three of these variables.

Basic User Experience: What You Should Know

These practical elements are necessary for maintaining the warmth and energy efficiency of your hot tub. They aid in lowering heat loss from the water's surface, which can lower your heating expenses. A layer of insulation from thermal blankets adds to the process of maintaining a constant temperature both during the day and at night. They can protect your hot tub from damage caused by high heat when utilized appropriately. Make sure your thermal blanket is the right size for your hot tub and that the borders are firmly fixed if you want to get the most use out of it. Additionally, keep an eye out for wear or damage and replace it as needed. A high-quality thermal blanket can last up to five years or longer with the right upkeep and care.

Following are general instructions for utilizing these blankets: Make sure the blanket is the appropriate size for your hot tub first. The blanket should then be placed on top of the water and fastened using straps or fasteners. Third, set your hot tub's temperature to a comfortable setting. Fourth, make sure that all of the straps and buckles are in place and that the blanket is not airborne. Fifth, keep an eye on your hot tub frequently to make sure it maintains a stable temperature. Enjoy your warm and inviting hot tub once more! You can easily use a thermal blanket to keep your hot tub warm and pleasant all year long if you adhere to these easy guidelines.

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About The Author

Joseph Bartley
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Joseph Bartley, also known as the WaterFilterFanatic, is a seasoned content writer who specializes in water filtration and water quality topics. On AllAboutWaterFilters, he has written a range of water filtration system reviews, water health and quality articles, swimming pool, hot tub and aquarium filtration guides, DIY methods to assist people clean their drinking water, and much more. Joseph enjoys spending his time working with the #AllAboutWaterFilters Editorial Team to provide some of the best quality water filtration content available on the web.

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