FibroPool FH135 35,000 BTU Electric Pool Heat Pump – 120V Above Ground & Inground Pool Heater up to 7,500 Gal, High Efficiency COP 5.55, No Gas Required, Plug-in GFCI, IPX4 Weatherproof
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Availability:
12 left in stock
Arrives
Friday, May 29
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Size: 35,000 BTU
Features
- 35,000 BTU HEATING POWER: This 35k BTU pool heater delivers steady warmth for small pools and spas. Ideal as an above ground pool heater or compact inground pool heater to extend your swim season.
- ENERGY EFFICIENT HEAT PUMP: Advanced heat pump pool heater technology transfers heat from the air for up to 5.5x efficiency. A smart electric pool heater option for consistent water temperature control.
- FULLY ELECTRIC 120 V: Operates on 120 V household power with no gas or propane required. This electric above ground pool heater simplifies installation and helps reduce ongoing fuel handling.
- VERSATILE POOL COMPATIBILITY: Designed for above ground and inground installations, this swimming pool heat pump supports pools, spas, and hot tubs as a reliable pool pump heater solution.
- COMPACT AND QUIET DESIGN: Space saving round cabinet fits tight equipment pads. The streamlined pool heat pump system features low noise operation and minimal moving parts for easy upkeep.
Product Dimensions: 38 x 15 x 26 inches
Item Weight: 98 pounds
Manufacturer: FibroPool
Item model number: FH135
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, May 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: 35,000 BTU
We were first time Intex above-ground pool owners in Iowa, and knew we weren't going to enjoy our pool if the water was freezing. This FibroPool heat pump was EXPENSIVE, so it was a gamble that it would actually keep our 8400 gallon pool heated, but it was worth it! We found we liked it set at 86 degrees, and added one of those blue bubble-wrap looking solar covers to help keep the heat in. Most days the heat pump didn't even run as the water was still at the right temp. It maybe only took a couple of days to get our initial 70 degree tap water warmed up. The heat pump is VERY quiet, which was a plus. We also specifically bought this model of heat pump because it used a regular 110v outlet. We did end up having our electrician come out and put in a dedicated outlet for both the heat pump and sand filter so they didn't trip (our fuse was too small.) We did have a little bit of trouble understanding that the included threaded adapters for the inlet and outlet were just that - adapters, so be sure you have the proper threaded hoses to go back to your pool (again, rookie mistake on our part.) We ended up needing a longer threaded hose for the outlet back into the pool just due to the distance from our outlet as the cord on the heat pump isn't that long and we didn't want to run it on an extension cord. Overall, we are extremely happy we took the chance on this heat pump. We were able to enjoy our pool even when the nights dipped down cool. Nobody likes getting into a freezing cold pool!
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Reviewed in the United States on September 24, 2024 Reviewed in the United States on September 24, 2024 by mrsgoatman
Size: 35,000 BTU
I love this pool heater. I live in Minnesota and keep the pool set at 90 degrees. It keeps our pool nice and warm. In the cooler the days it will keep the pool as warm as possible. In early Oct. it was keeping it around 84 degrees on cool nights. Would recommend this pool heater to anyone. Easy to setup. Can be a little tricky to figure out how to set to 90 degrees, but once you do............NICE!
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Reviewed in the United States on October 24, 2025 by Tracy Baxter
Size: 35,000 BTU
I ordered a similar heater that was from China and 1/3 the price of this one, but it stayed on for about 10 minutes, shut down and wouldn’t restart. I returned the Chinese one, bit the bullet on the price and ordered this unit. Once I realized you had to have the screen in sunshine mode with the sun symbol on the screen, it’s been working perfectly all summer. I expected my electric bill to go up because we have cool nights in Illinois but any increase was negligible. It keeps the pool at a steady 84 degrees for me and could have gone higher. The fittings work great with my Intex above-ground pool. It’s an expensive unit, but definitely worth the money. I have a much larger electric (wired to the house electricity) in Florida for a small in-ground pool that goes for about $2,500 and if you use it every day your electric bill will go up at least $150/month. This unit just plugs in to an extension cord (you need a certain type - mentioned in the instructions). One thing I do that helps with energy costs is I always keep my pool covered with a bubble Solar cover when it’s not in use.
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Reviewed in the United States on October 11, 2024 by K. E.
Size: 35,000 BTU
This unit heated our pool up from 59 degrees to 81 degrees in about a week. That may sound slow, but our outside temps at night were in the 50s. So far I have been impressed with its ability to keep the pool warm given our recent cold snap. I've only had the unit for a few weeks; so I'll update if things if my impressions change. It seems well constructed and the instructions were fairly easy to follow. It is kind of pricey, but if it allows us to use our pool more often and longer into the fall, it will be worth it.
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Reviewed in the United States on May 30, 2024 Reviewed in the United States on May 30, 2024 by Rory Strand
Size: 35,000 BTU
Update Sep 9-2024: After multiple attempts to contact Fibropool short of going to BBB, the company stayed silent and I have not heard back from anyone. I ended up purchasing the controller with my own money and not sure now what their written warranty really covers. Updated Sept. 4-2024 After heavy rains in Florida 2 controllers died. The first one was replaced by Fibropool - very good and fast service. The second one just died last week, apparently due to water intrusion. I had the cover closed all the time - obviously there must be a design flaw as these units need to be rated for outdoors. The company's rep - Brennan - finally responded to me after 5 days stating that I need to buy a new controller at my own cost as "they already redeemed my warranty" for previous unit. The company states that their heat pumps have 10 year warranty which seems contradictive to my case. If these controller boards burn out after every rain, how is this supposed to last for many years? I have submitted another request to Fibropool and will update their response here. Original review This is my second unit in my second house. The first one was F120 and this one is F135. Both worked extremely well. The F135 is much more powerful and can get my 10K gallon pool from 82 to 88 in 4 hours or so on high circulation. This unit has received several great updates, metal casing and fan prop appear to be made of hard plastic which is very-very quiet and does not rust. After 4 months in rain and outside my unit looks like on day 1 and it is very quiet when running. I need to go and see if the fan is spinning to know if it is working or feel the water in the pool. Honestly, as a portable heating device which plugs into a standard 120V outlet, this is amazing. It works great and install was a breeze. Just connect the plumbing, plug and play! I reached out the Fibropool guys with a couple of questions and they responded in less than 2 hours and gave me instructions and offered help. Everything was resolved in less than 1/2 a day. In my next pool, this is what I will get again. I am telling all my neighbors to buy this vs the ginormous expensive and loud heater. Thanks again, Fibropool!
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Reviewed in the United States on August 7, 2024 by FollowTheLight
Size: 35,000 BTU
With days in the 70s and nights in the high 40s, this heater took about a week with the solar cover on the pool to move the temp up from 66F to 88F degrees. Now that it has reached the set temp, the heater does not run at all (which is good) until the water temp drops a few degrees. Overall I am happy with the product. It is easy to use and seems well made. I can't speak for its durability or weather resistance just yet but I will add to this review if time or weather creates any negative effect. I decided to install this heater myself for my 6800 gallon in-ground fiberglass pool and of course, I had lots of questions about how to build the PVC bypass system. Brennon, the customer service tech, answered all my emails quickly and clearly, and although I don't have a ton of plumbing experience, I took my time with it and designed/built the system in a few days. It turned out to be a fun little project and the result is an efficient and leak-free system that seems to have very little, if any effect on the overall efficiency of the pump and filter. Designed with as few elbows as possible, I used an "H" design bypass with 3-way valves so that in the warm seasons I can set it so the water bypasses the heater completely, preventing corrosion in the heater. After the bypass, I used flexible spa hose to connect to filter and chlorinator. No problems yet. I would definitely recommend this product but with a warning: if you are not handy with plumbing, hire a plumber to install. If you own an above-ground pool you can disregard this as they don't require a bypass system and require only simple flexible hoses and clamps.
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Reviewed in the United States on November 18, 2024 Reviewed in the United States on November 18, 2024 by Fort Paulson
Size: 35,000 BTU
Wasn't sure if this thing was going to actually work or not, being that it is only 120 and plugs into a regular outlet. Well someone (my wife) cranked it up to 99 degrees and the pump was running 24/7. It heated the pool to a solid 95 degrees. We basically had a 20FT hot tub. Pair it with a solar cover and run it often and you will have a legit warm pool. Ours is a steel frame Intex style pool. We are after Labor Day, so the nights here are dropping to mid 50s and daytime highs are mid 70s and the pool is still 85 degrees. It did raise my electric bill a lot, like $130-150 a month running it so much though. That was basically running the pump 24/7 for a while though too. I was able to run my pump, this heater and a salt water chlorinator off a single extension cord. You WILL need at least a 12 gauge extension cord though, or you can start a fire at your outlet if you do something like this.
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Reviewed in the United States on September 4, 2024 by Hello
Size: 35,000 BTU
Awesome! My son-inlaw and I are always skeptical about products, but our above ground pool was not getting used that often because the water was so cold, so we gave this heat pump a try. Right from the moment it arrived, everything looked good. The product was nicely packaged, the design on the outside looked clean and sleek and all the advertized parts were supplied. I actually didn't think we could hook it up easily, I suspected hose fitting issues, but we had it hooked up and plugged in in under an hour, with no leaks! Within 48 hours the pool temp is at a very pleasant 88 and we can hardly hear the pump running even when we're in the pool.
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Reviewed in the United States on July 7, 2025 by Michael Radicella