Hello there! Are you tired searching for the best 4000 btu pool heater but could not able to find the right one? Worry not readers, because in this article, we have covered everything you need to know before buying the 4000 btu pool heater online. Keep Reading!
Choosing the best 4000 btu pool heater can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 4000 btu pool heater available at best prices with all the latest demanding features catering to your needs. We have analysed each and every product and have shared detailed information about them. Based on our personal review, we found this Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016-present), Multi best in our list. However, if you are looking for a product with a cheaper price, then you can check out AmazonBasics Commercial, Propane 46,000 BTU, Outdoor Patio Heater with Wheels, Slate Gray which is equally good with good reviews. We are very much sure that you’ll be able to make a wiser decision in buying the Top 4000 btu pool heater by going through the exclusive list mentioned below.
All the products listed in this guide are good in their own way. You simply have to pick one that you feel delivers on the best performance. Let us get right into them already. Check the quick reviews below.
Best 4000 btu pool heater

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Rp2100 Digital 406K Btu Propane Gas Pool Heater -(Pr406Ep (009227), Raypak)
Rp2100 Digital 406K Btu Propane Gas Pool Heater -(Pr406Ep (009227), Raypak)
Features
- 406,000 BTU propane digital pool and spa heater
- Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget it
- Cabinet and the internals are non-corrosive and rust resistant
- Features PolyTuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger
- Also features a stainless steel tube sheet, 2 inch CPVC water connections, burner tray and fire tile
Raypak 266,000 BTU Digital Electronic Ignition Propane Pool Heater
Raypak 266,000 BTU Digital Electronic Ignition Propane Pool Heater
Features
- 266,000 BTU propane digital pool and spa heater
- Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget it
- Cabinet and the internals are non-corrosive and rust resistant
- Features PolyTuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger
- Also features a stainless steel tube sheet, 2 inch CPVC water connections, burner tray and fire tile
Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in
Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in
5 used from $26.69
Features
- Solar heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees depending on the weather
- Features an 11-square-foot surface to absorb the sun's rays to heat up above-ground pools; Dimensions (L x W): 47.25 x 47.25 inches (flat)
- Simple and economical to use, compatible with filter pumps with up to 1/3 HP or a pump flow rate less than 2,000 GPH; Weight: 6.41 pounds
- Includes a 1.25-inch hose attachment point, a bypass valve, 1 adaptor A, and 1 adaptor B for a 1.50-inch hose connection
- Constructed of heavy-duty UV stabilized PVC; Suitable for above-ground pools up to 8000 gallons; Folds for compact winter storage
AmazonBasics Commercial, Propane 46,000 BTU, Outdoor Patio Heater with Wheels, Slate Gray
AmazonBasics Commercial, Propane 46,000 BTU, Outdoor Patio Heater with Wheels, Slate Gray
Features
- SOOTHING WARMTH: Outdoor gas heater for cozy warmth when sitting outside; ideal for cafes, restaurants, and home patios
- EASY TO USE AND MOVE: One-touch ignition button for quick start ups; wheels for maneuvering into place
- POWERFUL HEAT: 46,000 BTUs for heating up to a 9 foot radius; adjustable temperature knob for controlling the output
- SAFETY FEATURES: Tilt safety auto-shut off valve; water box for weighing down the base and wheel kit; chain included to secure the tank
- DURABLE EXTERIOR & REQUIRES: Powder-coated finish in Slate Gray for lasting strength; 20 pound liquid propane gas tank to operate (not included)
Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016-present), Multi
Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016-present), Multi
6 used from $22.15
Features
- For use with Mr. Heater 20,000 to 30,000 BTU vent free units
- Available for 20,000 to 30,000 BTU vent free units
- Optional accessory to circulate heated air
- Easy to install with standard home tools
- Requires electricity; standard grounded 3 prong plug
maXpeedingrods 5KW 12V Diesel Air Heater 10L Tank LCD Thermostat Monitor + Remote Control + Silencer for Bus Van Boat Trucks
maXpeedingrods 5KW 12V Diesel Air Heater 10L Tank LCD Thermostat Monitor + Remote Control + Silencer for Bus Van Boat Trucks
Features
- Specifications: Heater Power: 2KW-5KW, Fuel Gasoline: diesel, Car Air Conditioning Type: Heating, Rated Voltage:12V
- Fuel Consumption(L/h):0.64, Working Temperature of the Heater:-40℃~+50℃, Working Temperature of the Oil pump:-40℃~+40℃, Item Size:39*14*15cm
- Note: Main color Black or Red will be sent out randomly
- Low fuel and power consumption, suitable for longer periods of operation.
- Keep constant temperature: the intelligent overheating sensor can prevent the heater from running dry.
LG 12,000 BTU 230V Window-Mounted AIR Conditioner with 11,200 BTU Heat Function
LG 12,000 BTU 230V Window-Mounted AIR Conditioner with 11,200 BTU Heat Function
Features
- Low Noise Performance - operates at sound levels as low as 50dB (in low mode) eliminating unnecessary noise.Air flow efficiency : 265 cubic_feet_per_minute_per_watt
- Supplemental Heat - For cooler days use the supplemental heat option to add warmth to your space
- Multiple Fan Speeds - 2 cooling, heating and fan speeds allow you to customize your cooling or heating
- Auto Restart - After a power failure, Auto Restart will automatically turn the unit back on when power is restored
- Cools Rooms up to 550 Sq. Ft. - LW1216HR is ideal for cooling medium rooms (22' X 25')
Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas
Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas
Features
- The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort
- A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
- Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
- Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
- Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact
Happybuy 2KW Diesel Heater 12V 2KW Diesel Air Heater Muffler 2KW Diesel Air Heater with Knob Switch for RV Motorhome Trailer Trucks Boats
Happybuy 2KW Diesel Heater 12V 2KW Diesel Air Heater Muffler 2KW Diesel Air Heater with Knob Switch for RV Motorhome Trailer Trucks Boats
Features
- Efficient Diesel Heater: Heater power: 2 KW; Fuel type: Diesel; Rated voltage: 12V. Working Temperature:-104℉~+68℉/-40°C~+20°C. Don't let cold winters leave you frozen and stop you from traveling, or camping in all four seasons. Get ready to stay warm with our diesel air heater.
- Feel Warmer in No Time: Feel warmth with every breath! The inhaled cool air is heated and becomes hotter via the aluminum combustion chamber. The diesel heater heats fast and increases the temperature of the car within 10 minutes; it can also pre-heat the engine and clear the window's frost in no time!
- Low Energy Consumption: Fuel consumption: 0.1-0.28 (L/H)/ 0.026 - 0.074 (Gal/H). The diesel heater features an oil pump that precisely controls the fuel inlet for 100% combustion. The efficient air heater takes less than one gallon for one night to keep cozy during cold weather. The oil pump vibration is low, effectively reducing the noise and letting you enjoy a quiet and warm space.
- Clear LCD & Convenient Remote Control: Starting up the bunk heater is so easy. You can start up the bunk heater or adjust the temperature 46℉-95℉/8℃-35℃ by remote control or LCD panel. 98 ft/30 m long control distance and timing system allow you to preheat the engine and the cab in advance so you can enjoy the warmth of home when you open the vehicle's door in winter.
- Diesel Vehicles & Indoor Use: As a warming companion for any diesel vehicle, the bunk heater is used widely to heat the interior of cars, RVs, caravans, trucks, ships, etc. Thanks to its compact and portable design, it is also an excellent choice while at home or shopping.
Mr. Heater 125,000 BTU Forced Air Propane Heater F271390
Mr. Heater 125,000 BTU Forced Air Propane Heater F271390
7 used from $161.84
Features
- Quiet Burner Technology-50% Quieter than a standard propane heater
- 10ft hose & regulator
- High-Temperature limit switch
- Heavy-duty handle
- Split barrel design for easy maintenance
So, These are some of the best 4000 btu pool heater with all the major features that you must be looking for. Now you can easily pick out the best one based on your budget, needs and preferences. Still, if you found yourself confused about choosing the best product, then you can try this Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in for more recommendations. Hope you enjoyed reading the article!