Gas wall heaters that run with no 120 V outlet, so they keep heating through a power outage.
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Best Gas Wall Heaters That Work Without Power: Vent-free
- Mr. Heater 30K Blue Flame Dual Fuel#1 of 15Full review
The pick for heating a big room on either fuel with a thermostat and a long warranty. Add the blower kit for high ceilings.
Amazon $265.39$265.3930,000 BTUDual fuelYes - Mr. Heater 30K Radiant Dual Fuel#2 of 15Full review
A big radiant heater for a garage, workshop or open room on either fuel. It pairs thermostat control with the longest warranty in this group.
Amazon $265.39$265.3930,000 BTUDual fuelYes - Heatstar HSSVFBF30LPBT 30K Blue Flame#3 of 15Full review
The vent-free heater to buy when you want a blower and thermostat in the box on propane. It costs more up front but needs no add on fan.
Amazon $319.99$319.9930,000 BTUPropaneYes - Mr. Heater 20K Blue Flame Dual Fuel#4 of 15Full review
A thermostat blue flame heater for a living room or cabin of up to about 700 sq ft that may switch between propane and natural gas. The long warranty sets it apart.
Amazon $199.99$199.9920,000 BTUDual fuelYes - Mr. Heater 20K Radiant Dual Fuel#5 of 15Full review
A radiant heater for a drafty room, shop or cabin up to about 700 sq ft on either fuel. Radiant heat suits spaces where warm air escapes.
Amazon $209$20920,000 BTUDual fuelYes - Heatstar HSSVFRD20NGBT 20K Radiant#6 of 15Full review
A natural gas radiant heater for a mid size room or workshop that comes complete with blower and thermostat. Pay the premium if you would otherwise buy a fan kit.
Amazon $259.99$259.9920,000 BTUNatural gasYes - Comfort Glow KWN523 30K Infrared#7 of 15Full review
A thermostat infrared heater for a large natural gas room, basement or garage. It offers a longer warranty than most budget rivals.
Amazon $257.67$257.6730,000 BTUNatural gasYes - Dyna-Glo BFSS30NGT-4N 30K Blue Flame#8 of 15Full review
A thermostat blue flame heater for a large natural gas room or garage. It works well, but the Mr. Heater dual fuel 30K has a longer warranty for little more.
Amazon $253.51$253.5130,000 BTUNatural gasYes - ProCom MN300TPA-B 30K Infrared#9 of 15Full review
A low cost thermostat infrared heater for a large natural gas room, workshop or garage. Radiant heat suits spaces where warm air leaks away.
Amazon $208.12$208.1230,000 BTUNatural gasYes - ProCom ML300TBA-B 28K Blue Flame#10 of 15Full review
The cheapest way here to heat a large propane room or garage with a thermostat. Pick it when price matters more than warranty length.
Amazon $188.99$188.9928,000 BTUPropaneYes - Dyna-Glo IR30PMDG-1 30K Infrared#11 of 15Full review
A propane infrared heater for a garage, workshop or large drafty room where radiant heat beats warm air. Its wide turn down makes it flexible, but you set the heat by hand.
Amazon $234.05$234.0530,000 BTUPropaneNo - ProCom ML200TBA-B 20K Blue Flame#12 of 15Full review
A low cost thermostat heater for a propane home, cabin or shop up to a mid size room. It stays useful when the power is out.
Amazon $170.99$170.9920,000 BTUPropaneYes - Dyna-Glo BF20NMDG-4 20K Blue Flame#13 of 15Full review
A plain manual blue flame heater for a natural gas living room or den. Most buyers will get more for the money from a thermostat model.
Amazon $210.69$210.6920,000 BTUNatural gasNo - ProCom MN100TBA-B 10K Blue Flame#14 of 15Full review
A cheap thermostat controlled heater for one small natural gas room or office. Buy it when you want hands-off warmth and do not need much output.
Amazon $129.59$129.5910,000 BTUNatural gasYes - Dyna-Glo BF10NMDG-4 10K Blue Flame#15 of 15Full review
A small manual heater for one natural gas room, including a bedroom where local code allows vent-free heat. Choose a thermostat model if you want it to hold a set temperature.
Amazon $175.86$175.8610,000 BTUNatural gasNo
Best Gas Wall Heaters That Work Without Power: Direct vent
- Comfort Glow DVN17 Direct Vent Heater#1 of 9Full review
A strong value for heating a living room or small apartment on natural gas with automatic temperature control and no need for power.
Amazon $498$49817,000 BTUNatural gasYes - Ashley Hearth DVAG25-DF Dual Fuel#2 of 9Full review
For a cabin, garage apartment or open living area that needs a lot of heat without power, especially if you might switch between propane and natural gas.
Amazon $899.99$899.9925,000 BTUDual fuelYes - Empire DV35 Direct Vent Wall Furnace#3 of 9Full review
For a cabin or large room that needs serious heat that keeps running when the power goes out. Rinnai’s modulating units are steadier but quit without electricity.
Amazon $2,008.99$2,008.9935,000 BTUPropaneYes - Ashley Hearth DVAG11L Direct Vent#4 of 9Full review
For a bedroom, cabin room or mobile home on propane that needs thermostat controlled heat with no power. The short warranty is the trade off for the low price.
Amazon $382.49$382.4911,000 BTUPropaneYes - Comfort Glow DVN08 Direct Vent Heater#5 of 9Full review
For a single small bedroom or bathroom on natural gas where a low price and heat during outages matter more than automatic control.
Amazon $283.06$283.068,000 BTUNatural gasNo - Williams 3003822 Direct Vent Furnace#6 of 9Full review
A strong value pick for heating a small home or cabin on natural gas with no power needed. Add the wall thermostat for automatic control.
HVACDirect $1,290$1,29030,000 BTUNatural gasNo - Williams 2203822 Direct Vent Furnace#7 of 9Full review
For a living area or small house on natural gas where heat during outages and a low price matter most. Budget for the thermostat and a licensed installer.
HVACDirect $1,149$1,14922,000 BTUNatural gasNo - Williams 1403822 Direct Vent Furnace#8 of 9Full review
For a small room or cabin on natural gas that needs heat through outages at the lowest price. Add the wall thermostat and expect higher gas bills than a sealed electronic unit.
Amazon $989$98914,000 BTUNatural gasNo - Empire DV215 Direct Vent Wall Furnace#9 of 9Full review
For a bedroom or small room in an area with outages, where heat that runs with no power matters more than automatic temperature control. Budget for the wall thermostat.
Amazon $1,499$1,49915,000 BTUPropaneNo