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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. GE - 350 Sq. Ft. 8,000 BTU ENERGY STAR Smart Window Air Conditioner and 8,400 BTU Heater - White

    SKU: J7645SPS2R

    Product Description

    A white ENERGY STAR smart window unit offering 8,000 BTU cooling, 8,400 BTU heating, and Wi-Fi control.
    See all Window Air Conditioners
    Your price for this item is $529.99
  3. 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
  4. Keystone - 14,000 BTU ASHRAE/12,000 BTU DOE Portable Inverter Air Conditioner with Heater and Remote Control - White

    SKU: J39H83WTFG

    Product Description

    A portable white inverter air conditioner and heater with remote control, energy-saving modes, and dehumidification.
    See all Portable Air Conditioners
    Your price for this item is $649.99
  5. 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
  6. TCL - 450 Sq. Ft. Smart Portable Air Conditioner 10,000 BTU with Heat - White

    SKU: J36QYTRLL8

    Product Description

    A smart white portable air conditioner and heater with app control, dehumidifier, and voice assistant compatibility.
    See all Portable Air Conditioners
    Your price for this item is $634.99
    Save $15
    The previous price was $649.99
  7. 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
  8. 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
  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