Comfort Glow KWN523 30K Infrared
#7 in Vent-freeFull 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$257.67
3.3/5
A low cost thermostat infrared heater for a large natural gas room, workshop or garage. Radiant heat suits spaces where warm air leaks away.
- 30,000 BTU/hrOutput
- Natural gasFuel
- InfraredHeat
- YesThermostat
Check price at Amazon$208.12
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Infrared plaques warm people and objects directly, good in drafty rooms and garages
- Thermostat control for about $200
- Runs with no power, so it keeps working in an outage
- Floor feet and wall bracket included
Cons
- Natural gas only
- Plaque faces glow hot, so keep children and pets back
- Only a one year parts warranty
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its venting. How we rank explains each one.
Specifications
| Model number | MN300TPA-B |
|---|---|
| Heat | |
| Venting | Vent-free |
| Heat type | Infrared |
| Maximum input | 30,000 BTU/hr |
| Heating area claim | 1,400 sq ft |
| Fuel and controls | |
| Fuel | Natural gas |
| Thermostat | Yes |
| Blower | No |
| Ignition | Push button |
| Needs an outlet | No |
| Oxygen depletion sensor | Yes |
| Build | |
| Weight | 31 lb |
| Warranty | 1 year |
Alternatives in this venting
Dyna-Glo BFSS30NGT-4N 30K Blue Flame
#8 in Vent-freeFull 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.
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ProCom ML300TBA-B 28K Blue Flame
#10 in Vent-freeFull 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.
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