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Sold by: Trade Winds / US Energy Products
Sold by: Trade Winds / US Energy Products
(21731 ratings)
88% positive over last 12 months
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HOT WATER TANK HEATER INSULATION JACKET DIY 'PREMIUM' KIT: ENERGY SAVING REFLECTIVE FOIL FITS 50 & 60 GALLON WATER TANKS. MANUFACTURER OF THIS KIT FOR 27 YEARS. EXCLUSIVELY SOLD BY 'JR GLOBAL SALES'

4.4 4.4 out of 5 stars 262 ratings

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Material Fiberglass
Brand REFLECTIVE FOIL
Product Dimensions 76"L x 72"W

About this item

  • Patented Reflective Foil Stops 97% of Radiant Heat Loss.
  • Improves the Energy Efficiency of Your Home.
  • Complete Kit is 'Fire Rated' Class 1/Class A: No 'Foam' Spacers (fire hazard),No Fiberglass, Non-Toxic,No Carcinogenics,No Fibers, 'Class 1/Class A' Fire Rating.
  • DIY Complete Kit comes with: Foil Body (72" height x 76" circumference),Foil Spacers, Foil Tape. Step-by-step instructions. Lightweight,clean,easy to install. Suitable for both Electric & Gas Hot Water Heater Tanks.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 76 x 1 x 72 inches; 1.35 Pounds
  • Item model number ‏ : ‎ COMINHKPR89755
  • Date First Available ‏ : ‎ June 8, 2015
  • Manufacturer ‏ : ‎ ECOSHADES
  • ASIN ‏ : ‎ B00Z7NNXNQ
  • Customer Reviews:
    4.4 4.4 out of 5 stars 262 ratings

Product Description

Using the “Patented” Reflective Foil Hot Water Tanks Heater Jacket stops 97% of Radiant Heat loss! Heating the Water in your Hot Water Tank at home is the second largest 'energy consumption' next to Heating and Cooling Air. Your Hot Water Tank continues to work even when you are at work, sleep or on holidays. As the water cools down due to the loss of heat, your Hot Water tank starts up again to maintain a desired temperature. The cost savings using a Hot Water Heater Jacket are immediate and also helps prolong the life of your Hot Water Tank. Reflective Foil is 3/16” thick which has a single layer of polyethylene bubbles sandwiched between two highly reflective surfaces. It is specifically designed to reduce the amount of radiant heat lost. The Reflective Foil used in this Kit is Commercial Grade. It has been certified and tested to not give off dangerous toxins when heated. It is also Fire Rated. This is not your typical Reflective Foil you would buy in your local Hardware Store.

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
262 global ratings

Customers say

Customers like the ease of installation, quality and appearance of the insulation. For example, they mention it's very easy for two people to apply, looks nice and works great. That said, opinions are mixed on insulation and installation.

AI-generated from the text of customer reviews

46 customers mention42 positive4 negative

Customers find the installation of the insulation to be easy. They mention that the instructions are easy to follow, and the product is easy to use. Some are happy with the fast installation and the quality of the product.

"...Decided this product may be worthwhile to hold the temp. It was very easy to install and my tank actually looks brand new...." Read more

"...I’m so happy with how fast the installation was and the quality of the product." Read more

"...Just a knife and some tape. It’s not that hard to install, but if there is something on that printed box that is shown in the photo that I’m..." Read more

"...First, it was quite easy to install and the instructions were easy to follow, so there is that...." Read more

36 customers mention36 positive0 negative

Customers are satisfied with the quality of the insulation. They mention that it is a very useful product, perfect in every way, and works well. The tape works well and is excellent. The installation was very straight forward. Overall, customers are happy with their purchase and recommend it to others.

"Great product, highly recommended." Read more

"Perfect amount of insulation, excellent tape, follow the instructions for a perfect fit!" Read more

"...I’m so happy with how fast the installation was and the quality of the product." Read more

"This fits nicely following directions. Seems like it will hold up well. Owner encourages you to call him with questions." Read more

12 customers mention12 positive0 negative

Customers are satisfied with the appearance of the insulation. They mention that it looks good, is well designed for the application, and is excellent.

"...Took my time and made it look really nice and professional. Only thing it needs is a little more tape... but I had extra on hand anyway so no issues...." Read more

"...elec. tank. It actually looks very nice.I have had it on for a week and I am not pleased with the insulation quality...." Read more

"More than I expected. Perfect in every way. Very professional and easy to use. Actually it was very fun to install. Took about 20 minutes...." Read more

"Nice and easy to install." Read more

12 customers mention7 positive5 negative

Customers are mixed about the installation of the insulation. Some mention that it's pretty easy to fit, while others say that it was not too easy to install.

"...I was extremely impressed at how perfectly the biggest piece fit; it only took one small cut for the valve...." Read more

"So far so good. Took a while to install due to water heater straps around water heater. Comes in two pieces, top and bottom...." Read more

"This fits nicely following directions. Seems like it will hold up well. Owner encourages you to call him with questions." Read more

"...Very easy to fit over your water tank." Read more

12 customers mention8 positive4 negative

Customers have mixed opinions about the insulation of the water heater. Some say that it has the perfect amount of insulation, excellent tape, and a perfect fit. They also say that the water stays hot and feels hotter since the jacket was installed. However, some customers report that the jacket does not feel warm to the touch, has some heat loss, and takes several hours to reach the desired temperature.

"...But these panels are relatively well insulated already by a thick wad of foam and do not leak much heat..." Read more

"...The heater stays off at night and does have some heat loss until next day's sun. Decided this product may be worthwhile to hold the temp...." Read more

"We had no trouble insulating our water heater in the tight space it was in" Read more

"Perfect amount of insulation, excellent tape, follow the instructions for a perfect fit!" Read more

11 customers mention3 positive8 negative

Customers are dissatisfied with the thickness of the insulation. They mention that it's too thin to do much insulating, and is not pleased with the quality.

"The item itself is on the thinner side but that is fine if that is what you are looking for. Very easy to fit over your water tank." Read more

"...The tape is pretty thin. Hopefully it will hold up for years to come." Read more

"...And that it is quite thin, as I have little space around my heater...." Read more

"...The material is very thin, and now that I have it, in my opinion, it’s over priced for what you get." Read more

Works fine
5 Stars
Works fine
First, a description of what the item is. It is a "water heater blanket". It is supposed to slow down cooling of the water in the water heater due to heat leaking out. This particular blanket is reflective at both sides. The idea is that if you create a thin gap between the blanket and the water heater, then heat will both have great difficulty flowing through the layer of air in between (stagnant air conducts heat very poorly), and it cannot significantly radiate through the gap either because the radiation is reflected by the reflective surface of the blanket. A similar idea is used in thermos bottles. To me, a big benefit of this blanket was that there is no nasty fiberglass to deal with. And that it is quite thin, as I have little space around my heater.Second, some clarifications about what you get may be helpful. When I ordered, I was completely confused by conflicting data on the Amazon page about how many pieces of insulation blanket I would get, and their sizes. It turned out to be a single 6 ft by 7 ft piece. Besides this insulation, the package also contained a page of instructions, a length of foil tape, and a knife convenient to cut both insulation and tape. It also contained a small package containing a second piece of foil tape, a second knife, and a tape smoother. Apparently the seller had, rightly, concluded that the first piece of foil tape was not long enough, and shoved in the additional package. There were also 20 "spacers" to stick on the water heater to ensure that there is a small gap between water heater and blanket.Third, some notes about the installation. Since my tall Rheem 40 gallon water heater is 5 ft high and also about 5 ft in circumference, after covering the cylindrical part, I had plenty insulation left to cover the 19 inch diameter top and then some. Using rubber pipe insulation from Home Depot and Lowes, I also covered the hot-water-out line, as far as I could reach, and the initial parts of the cold-water-in and emergency-drain lines, **making sure not to cover or interfere in any way with the emergency drain valve**. I also put left-over foil tape around the pipe insulation since it cannot hurt to reduce any radiative heat loss from the black rubber. And it looks better.See the picture of my blanket as installed. Note that my water heater is squeezed inside a narrow storage room with a door that is normally closed. Despite the awkward, limited, access I had to the water heater, installation was not particularly challenging. It should be really easy if you can actually get to all sides.Fourth, why install a blanket? Obviously, first paying for electricity to heat water and then having this heat leak out again is a waste of money. (Do note that this waste is a lot less for twenty-first century water heaters than it was for typical twentieth century ones.) However, while saving money cannot hurt, I had a more motivating reason to install the blanket. I wanted to keep the water in my water heater warm as long as possible the next time that a hurricane or tropical storm hits or gets close to my home town. I hate cold showers. Cold water is OK for soaping myself in, but I need water at a decent temperature to flush myself off.Fifth, some warnings about installing a blanket. Installing a blanket may invalidate your warranty. Rheem does not go that far, (they sell blankets), but Rheem notes that insulation blankets "are not necessary". They do not define "necessary". Rheem also says "DO NOT cover the operating or warning labels [the long list of warnings that we all read very carefully] attached to the water heater or attempt to relocate them on the exterior of insulation blanket." Oops, too late! I took a picture of it and put it in the plastic documentation bag on the door. Rheem also says "DO NOT apply insulation to the top of the water heater. This could interfere with the safe operation of the electrical junction box." Oops. The blanket has quite a large (but somehow random) electrical resistance per unit length, but the foil tape does *not*. One can only hope that whoever opens my junction box next is smart enough to first pull the fuse or at least throw the off switch in the timer box. The final warning of Rheem is "DO NOT cover the jacket access panel(s) to the thermostat(s) and heating element(s), or pressure and temperature relief valve". As you can see, in this case I did neither. I did give some thought to covering the two grey access panels to thermostats and heating elements. But these panels are relatively well insulated already by a thick wad of foam and do not leak much heat (at least not if the heating elements are not active, like after a hurricane). Also, there was a sticker on the water heater saying, "WARNING: Thermostat settings over 125 F may cause wiring to melt if access covers are not exposed." (The heating elements that are behind the covers could conceivably be significantly hotter than the set water temperature.) While I left the temperature at the 120 F factory setting, (the EPA compromise for keeping bacteria down and not having water so hot that it is an accident waiting to happen), someone else might not.Sixth, the bottom line. How well does the blanket work? Well, all over the web you find people who tell you something like: "Touch the surface of your water heater. If it does not feel warm, you do not need a blanket." The same people typically tell you to put insulation on the hot pipes attached to the heater. Sorry, but the way you measure temperature of a surface is not by putting your hand on it! Metal is going to feel colder than it is. Instead you stick on some small pieces of masking tape and use a laser thermometer. When I did that, I found that the surface near the top of the heater (where the hottest water is) was about 9 F hotter than ambient (measured outside the closet on an adjacent wall), near the middle 8 F, and near the bottom (where cold water accumulates) 2 F. The pipes, at about 110 F at their hottest end (maximum possible 120 F), were about 35 F above ambient, which is a lot more. But it is the product of temperature *and* area that is relevant, and the effective area of the water heater is roughly 25 or 50 times bigger than that of the pipes. Since 8 x 25 = 200 is a lot bigger than 35, it appears that even for modern water heaters (mine was bought in 2021), blankets are critical in keeping in heat. (There is also a heat conduction coefficient involved, but I can give you apparently very good reasons why one would be bigger than the other and vice versa, so what?)Anyway, after installation of the blanket, the same three temperature differences are 4, 4, and 2 F, so the heat flowing out of the water heater will surely at least have been roughly halved. It might be a lot more; if I compare temperature differences with the inside wall of the store room instead of the nearby outside wall, it goes from about 6 F to about 1.5 F, a factor four improvement. However, the inside wall temperatures, while probably more relevant, are harder to measure acurately, because I must open the door of the store room to do so. (There is also the additional fact that radiative losses will be a lot smaller than the temperature difference suggests because the reflective surface will not radiate well; however, radiative losses are probably negligible here in any case.) More importantly, my installation was far from perfect, because of the cramped quarters and water lines pressing against the water heater. Despite that, heat loss has clearly been significantly reduced.
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Top reviews from the United States

Reviewed in the United States on March 26, 2021
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5.0 out of 5 stars Works fine
Reviewed in the United States on March 26, 2021
First, a description of what the item is. It is a "water heater blanket". It is supposed to slow down cooling of the water in the water heater due to heat leaking out. This particular blanket is reflective at both sides. The idea is that if you create a thin gap between the blanket and the water heater, then heat will both have great difficulty flowing through the layer of air in between (stagnant air conducts heat very poorly), and it cannot significantly radiate through the gap either because the radiation is reflected by the reflective surface of the blanket. A similar idea is used in thermos bottles. To me, a big benefit of this blanket was that there is no nasty fiberglass to deal with. And that it is quite thin, as I have little space around my heater.

Second, some clarifications about what you get may be helpful. When I ordered, I was completely confused by conflicting data on the Amazon page about how many pieces of insulation blanket I would get, and their sizes. It turned out to be a single 6 ft by 7 ft piece. Besides this insulation, the package also contained a page of instructions, a length of foil tape, and a knife convenient to cut both insulation and tape. It also contained a small package containing a second piece of foil tape, a second knife, and a tape smoother. Apparently the seller had, rightly, concluded that the first piece of foil tape was not long enough, and shoved in the additional package. There were also 20 "spacers" to stick on the water heater to ensure that there is a small gap between water heater and blanket.

Third, some notes about the installation. Since my tall Rheem 40 gallon water heater is 5 ft high and also about 5 ft in circumference, after covering the cylindrical part, I had plenty insulation left to cover the 19 inch diameter top and then some. Using rubber pipe insulation from Home Depot and Lowes, I also covered the hot-water-out line, as far as I could reach, and the initial parts of the cold-water-in and emergency-drain lines, **making sure not to cover or interfere in any way with the emergency drain valve**. I also put left-over foil tape around the pipe insulation since it cannot hurt to reduce any radiative heat loss from the black rubber. And it looks better.

See the picture of my blanket as installed. Note that my water heater is squeezed inside a narrow storage room with a door that is normally closed. Despite the awkward, limited, access I had to the water heater, installation was not particularly challenging. It should be really easy if you can actually get to all sides.

Fourth, why install a blanket? Obviously, first paying for electricity to heat water and then having this heat leak out again is a waste of money. (Do note that this waste is a lot less for twenty-first century water heaters than it was for typical twentieth century ones.) However, while saving money cannot hurt, I had a more motivating reason to install the blanket. I wanted to keep the water in my water heater warm as long as possible the next time that a hurricane or tropical storm hits or gets close to my home town. I hate cold showers. Cold water is OK for soaping myself in, but I need water at a decent temperature to flush myself off.

Fifth, some warnings about installing a blanket. Installing a blanket may invalidate your warranty. Rheem does not go that far, (they sell blankets), but Rheem notes that insulation blankets "are not necessary". They do not define "necessary". Rheem also says "DO NOT cover the operating or warning labels [the long list of warnings that we all read very carefully] attached to the water heater or attempt to relocate them on the exterior of insulation blanket." Oops, too late! I took a picture of it and put it in the plastic documentation bag on the door. Rheem also says "DO NOT apply insulation to the top of the water heater. This could interfere with the safe operation of the electrical junction box." Oops. The blanket has quite a large (but somehow random) electrical resistance per unit length, but the foil tape does *not*. One can only hope that whoever opens my junction box next is smart enough to first pull the fuse or at least throw the off switch in the timer box. The final warning of Rheem is "DO NOT cover the jacket access panel(s) to the thermostat(s) and heating element(s), or pressure and temperature relief valve". As you can see, in this case I did neither. I did give some thought to covering the two grey access panels to thermostats and heating elements. But these panels are relatively well insulated already by a thick wad of foam and do not leak much heat (at least not if the heating elements are not active, like after a hurricane). Also, there was a sticker on the water heater saying, "WARNING: Thermostat settings over 125 F may cause wiring to melt if access covers are not exposed." (The heating elements that are behind the covers could conceivably be significantly hotter than the set water temperature.) While I left the temperature at the 120 F factory setting, (the EPA compromise for keeping bacteria down and not having water so hot that it is an accident waiting to happen), someone else might not.

Sixth, the bottom line. How well does the blanket work? Well, all over the web you find people who tell you something like: "Touch the surface of your water heater. If it does not feel warm, you do not need a blanket." The same people typically tell you to put insulation on the hot pipes attached to the heater. Sorry, but the way you measure temperature of a surface is not by putting your hand on it! Metal is going to feel colder than it is. Instead you stick on some small pieces of masking tape and use a laser thermometer. When I did that, I found that the surface near the top of the heater (where the hottest water is) was about 9 F hotter than ambient (measured outside the closet on an adjacent wall), near the middle 8 F, and near the bottom (where cold water accumulates) 2 F. The pipes, at about 110 F at their hottest end (maximum possible 120 F), were about 35 F above ambient, which is a lot more. But it is the product of temperature *and* area that is relevant, and the effective area of the water heater is roughly 25 or 50 times bigger than that of the pipes. Since 8 x 25 = 200 is a lot bigger than 35, it appears that even for modern water heaters (mine was bought in 2021), blankets are critical in keeping in heat. (There is also a heat conduction coefficient involved, but I can give you apparently very good reasons why one would be bigger than the other and vice versa, so what?)

Anyway, after installation of the blanket, the same three temperature differences are 4, 4, and 2 F, so the heat flowing out of the water heater will surely at least have been roughly halved. It might be a lot more; if I compare temperature differences with the inside wall of the store room instead of the nearby outside wall, it goes from about 6 F to about 1.5 F, a factor four improvement. However, the inside wall temperatures, while probably more relevant, are harder to measure acurately, because I must open the door of the store room to do so. (There is also the additional fact that radiative losses will be a lot smaller than the temperature difference suggests because the reflective surface will not radiate well; however, radiative losses are probably negligible here in any case.) More importantly, my installation was far from perfect, because of the cramped quarters and water lines pressing against the water heater. Despite that, heat loss has clearly been significantly reduced.
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45 people found this helpful
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Reviewed in the United States on April 23, 2022
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Reviewed in the United States on February 21, 2023
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Reviewed in the United States on March 9, 2024
Reviewed in the United States on May 29, 2023
Reviewed in the United States on December 25, 2023
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5.0 out of 5 stars Excellent kit, great value!
Reviewed in the United States on December 25, 2023
Perfect amount of insulation, excellent tape, follow the instructions for a perfect fit!
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Reviewed in the United States on November 8, 2019
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Reviewed in the United States on January 20, 2023
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