Hello there! Are you tired searching for the best 300 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 300 btu pool heater online. Keep Reading!
Choosing the best 300 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 10 300 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 Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in best in our list. However, if you are looking for a product with a cheaper price, then you can check out LG 12,000 BTU 230V Window-Mounted AIR Conditioner with 11,200 BTU Heat Function 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 300 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 300 btu pool heater

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Blue Wave NS6028 SolarPRO Curve Solar Heater for Above Ground Pools
Blue Wave NS6028 SolarPRO Curve Solar Heater for Above Ground Pools
Features
- Unique curved shape allows for maximum heat absorption
- 51-Ft long 1.2-in Solar coils housed within heating station
- For above ground pools up to 30-ft round, 12,000-gal
- Fits 1.25-in To 1.5-in Hose fitting. Includes 2 installation hoses and stainless steel hose clamps. Includes fittings for soft sided, 2.25-in hoses. Connect multiple heaters to increase heating capacity.
- This item is branded Blue Wave. GAME is our fabricator for this item.
Pentair 460734 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 300,000 BTU
Pentair 460734 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 300,000 BTU
Features
- Heats up fast so no long waits before enjoying your pool or spa
- Best-in-class energy efficiency
- Manual gas shut-off when service is required
- MasterTemp is certified for low NOx emission and outperforms industry standards
Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in
Intex Solar Heater Mat for Above Ground Swimming Pool, 47in X 47in
4 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
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')
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.
Black + Decker BPACT12HWT Portable Air Conditioner, 12,000 BTU with Heat, w, White
Black + Decker BPACT12HWT Portable Air Conditioner, 12,000 BTU with Heat, w, White
Features
- Portable AC: Take this personal air conditioner (16.5” x 11.7” x 27.9) in rooms up to 550 sq. ft. Stay cool in the hot summer months and sleep well with this BLACK+DECKER ac unit for bedroom
- Four-in-One Unit: Our 8,000 BTU DOE (12,000 BTU ASHRAE 128) air conditioner also offers 9,000 BTU Heat for cold winter months. Portable AC with heat also functions as a dehumidifier & fan
- Smart AC with Voice Control: This smart air conditioner allows Wi-Fi connectivity and can be controlled using our mobile app available on iOS and Google Play stores, and voice controlled by Amazon Alexa or Google Assistant
- Follow Me Remote: Our portable AC unit comes with a full function remote control that features a FOLLOW ME function, which allows the remote to act as a thermostat for precise temperature control
- Installation Kit: When it comes to fans that blow cold air, this indoor ac unit includes an easy-to-install window kit. A large, vented airflow outlet ushers in cool air
Best Choice Products 14,000 BTU 4-in-1 Portable Air Conditioner Cooling & Heating Unit for Rooms Up to 650 Sq.Ft, Bedroom, Kitchen w/ 4 Casters, Remote Control, Window Vent Kit, LED Display
Best Choice Products 14,000 BTU 4-in-1 Portable Air Conditioner Cooling & Heating Unit for Rooms Up to 650 Sq.Ft, Bedroom, Kitchen w/ 4 Casters, Remote Control, Window Vent Kit, LED Display
Features
Part Number | SKY5326 |
Size | 14,000 BTU w/ Heat |
LG LW8016HR 7,500 115V Window-Mounted 3,850 BTU Supplemental Heat Function Air Conditioner, White
LG LW8016HR 7,500 115V Window-Mounted 3,850 BTU Supplemental Heat Function Air Conditioner, White
$479.00 in stock
1 used from $450.36
Features
- Low Noise Performance: Operates at sound levels as low as 50dB in low mode, providing a peaceful environment without disturbing noise while cooling or heating your space efficiently
- Supplemental Heat: This Window Air Conditioner adds warmth on cooler days with the supplemental heat option, keeping your space cozy and comfortable during colder weather, ideal for year-round use in any season
- Multiple Fan Speeds: Customize your cooling or heating with 2 cooling, heating, and fan speeds, allowing you to adjust airflow for personalized comfort in any room of your home or office
- Auto Restart: After a power failure, the auto restart feature automatically powers your unit back on when electricity is restored, ensuring continuous comfort without manual intervention
- Cools Rooms Up to 320 Sq. Ft.: The LG 7,500 BTU Window Air Conditioner with Supplemental Heatis perfect for cooling medium-sized rooms up to 320 sq. ft. (16' X 20'), ideal for bedrooms, living rooms, or small offices with efficient temperature control
LG LW2516ER Window-Mounted, White Air Conditioner, 24,500 BTU 230V
LG LW2516ER Window-Mounted, White Air Conditioner, 24,500 BTU 230V
Features
- Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling; Effortlessly adjust the ac window unit air flow to suit your needs
- Maximum Usability: This air conditioner window unit includes an easy to use digital control panel and remote control; 4-way air deflection gives you ultimate flexibility; Filter light reminder, window installation kit, and a slide-out, washable filter are included for your convenience
- Auto Restart Function: After a power failure, the Auto Restart function will automatically turn the window unit ac back on when power is restored
- AC Window Unit with Timer: Create your own cooling schedule to save on energy costs with the convenient included 24 hour on/off timer
- Cools Rooms up to 1,560 Square Feet: LW2516ER is ideal for cooling medium rooms (39' X 40'); With 1,560 square feet cooling coverage, keep your bedroom, living room, apartment, or any other medium to large space comfortably cool with this window air conditioner
Air Supply 6320220F 2 HP 240 Volt 4.5 Amp Silencer Portable Pool Spa Air Blower
Air Supply 6320220F 2 HP 240 Volt 4.5 Amp Silencer Portable Pool Spa Air Blower
Features
- 2 horsepower 240 Volt portable spa blower
- Rubber motor mount to suppress noise while enabling the motor to vibrate without interference
- Enduring spring check valve has been included in place of the unreliable flapper valves
- The risk of clogging due to the aging of foam has been eliminated
- For use with 2 inch plumbing
So, These are some of the best 300 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!