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Btu Heaters

Space heaters use electricity to heat air, which then gets transferred to the room. They're very efficient and they don't use any chemicals or other additives to help them work. Browse the top-ranked list of btu heaters below along with associated reviews and opinions. 

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  1. Keystone - 350 Sq. Ft 8,000 BTU Window Mounted Inverter Air Conditioner with 7,000 BTU Heater Supplemental Heat - White

    SKU: J39H83WY7R

    Excellent product; however, when ambient temperature is below 40 degrees, the heater doesn't produce heat.

    Product Description

    A white window-mounted unit offering 8,000 BTU cooling, 7,000 BTU supplemental heating, and inverter technology.
    See all Window Air Conditioners
    Your price for this item is $549.99
    Save $50
    The previous price was $599.99
  2. Keystone - 550 Sq. Ft 12,000 BTU Window Mounted Inverter Air Conditioner with 10,000 BTU Heater with Supplemental Heat - White

    SKU: J39H83WY74

    Heater/A/C...Works great awesome in spring and fall when the weather changes. The heater takes the chill out of the downstairs without running the central heating system...Super-efficient as a heater...

    Product Description

    A white window-mounted unit offering 12,000 BTU cooling, 10,000 BTU heating, and quiet inverter technology.
    See all Window Air Conditioners
    Your price for this item is $569.99
    Save $60
    The previous price was $629.99
  3. Bromic Heating - Outdoor Heater - Tungsten Portable - LPG - 38,500 BTU - Black

    SKU: BSCC6S4J8C

    Awsome heater very good investing i going buy more...Bromic heater...Produces good heat coverage. Had an issue with heater and bromic shipped new one out.

    Product Description

    A matte black outdoor heater delivering 38,500 BTU of efficient, wind-resistant radiant warmth for patios.
    See all Propane Patio Heaters
    Your price for this item is $1,799.99
    Save $459
    The previous price was $2,259.00
  4. TCL - Q-Series 450 Sq. Ft. 10,000 BTU Smart Inverter Portable Air Conditioner - White

    SKU: J36QYTK83P

    Product Description

    A white portable air conditioner with smart inverter technology, dual-hose design, heater, fan, and app control.
    See all Portable Air Conditioners
    Your price for this item is $695.99
    Save $4
    The previous price was $699.99
  5. DCS by Fisher & Paykel - Professional Built-In Gas Patio Heater - Brushed Stainless Steel

    SKU: J3C466QK9K

    Product Description

    A brushed stainless steel wall-mounted gas patio heater providing consistent warmth up to 15 feet outdoors.
    See all Propane Patio Heaters
    Your price for this item is $2,099.00
  6. LG - 450 Sq. Ft. 10,200 BTU Smart Portable Air Conditioner 12,000 BTU Heater - White

    SKU: J7G56555GF

    Product Description

    A smart, portable white unit offering 10,200 BTU cooling, 12,000 BTU heating, and voice control compatibility.
    See all Portable Air Conditioners
    Your price for this item is $449.00
    Save $150
    The previous price was $599.99
  7. Honeywell - UberHeat 5 Ceramic Heater - Black

    SKU: JC24TRQ6T3

    Great little heater...I’m always so nervous using space heaters because they can be a fire hazard. I’m glad I can feel safe using this heater. ...Not as good as the big heaters but amazing for the price!...

    Product Description

    A compact black ceramic heater with adjustable thermostat and two comfort settings for personal or small room warmth.
    See all Space Heaters
    Your price for this item is $54.99
  8. Honeywell - UberHeat 5 Ceramic Heater White - Black

    SKU: JC24TRQ6T9

    Powerful little heater...This Honeywell Uberheat 5 heater is a great size and powerful heater. Compact with a lot of great features, overheat protection, 2 settings with an adjustable thermostat, 1500...

    Product Description

    A compact black and white ceramic heater with adjustable thermostat, two heat settings, and multiple safety features.
    See all Space Heaters
    Your price for this item is $43.99
    Save $11
    The previous price was $54.99
  9. Lynx - Professional Electric Heater - Stainless Steel

    SKU: J3GTFP2YF6

    Product Description

    A stainless steel ceiling-mounted outdoor heater with wireless remote control and wind-resistant decorative safety grill.
    See all Electric Patio Heaters
    Your price for this item is $3,069.00
  10. Keystone - 12,000/11,600 BTU 230V Window Air Conditioner with 11,000 BTU Supplemental Heat Capability - White

    SKU: J39H83W9ZQ

    Product Description

    A versatile white window/wall air conditioner with supplemental heat, remote control, and energy-saving features.
    See all Window Air Conditioners
    Your price for this item is $449.99
    Save $50
    The previous price was $499.99