Mr. Heater F299730 30,000 BTU Propane Heater: Can It Heat Your Garage in 2026?
The Mr. Heater F299730 delivers 30,000 BTU to heat spaces up to 1,000 sq ft. It is the right tool for garages, workshops, and large cabins.
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Key Specifications
Best For
How this product scores for different use cases
Our Verdict
This heater outputs 30,000 BTU and covers 1,000 sq ft. That is about 6x more heat than a standard 1,500W electric heater. It warms large, cold spaces fast.
It runs on propane and needs no power outlet. That makes it useful in garages, cabins, and workshops where electricity is limited. The battery-powered ignition starts it with one push.
The ODS system is a key safety feature for indoor propane use. It cuts the heater off when oxygen levels fall too low. This is not common on all propane models.
This heater has no tip-over protection. It also lacks a timer and remote control. Many competitors at this price point include at least one of these features.
Propane burns at 1.389 lbs per hour at full power. A 20 lb tank lasts about 14 hours. Factor in fuel costs before comparing it to electric options.
What We Like
- Heats up to 1,000 sq ft with 30,000 BTU of output.
- Runs on propane. No electrical outlet is needed.
- ODS system shuts the heater off when indoor oxygen drops too low.
- Built-in thermostat holds your room at the right temperature.
- Mounts on a wall or stands on legs for flexible placement.
What Could Be Better
- No tip-over protection. Most portable space heaters include this as a standard safety feature.
- No timer. You cannot set it to turn on or off automatically.
- No remote control. You must walk to the unit to change settings.
- Burns 1.389 lbs of propane per hour. Fuel costs add up fast with regular use.
- At $329.99, it costs significantly more than most electric space heaters in this category.
Standout Features
Full Specifications
Additional Info
| Assembly | No |
Frequently Asked Questions
Common questions about Mr. Heater F299730 30,000 BTU Blue Flame Vent Free Propane Heater For Cold Rooms, Additions, Sun Rooms Cabins & Garage - White
How large a room can this heater warm?
This heater warms spaces up to 1,000 sq ft. It works well in garages, large cabins, sunrooms, and room additions.
Does this heater need to be plugged into an outlet?
No. It runs entirely on propane gas. The electronic ignition uses a battery that comes included, so no electrical outlet is required.
Is this heater safe to use indoors?
It includes an ODS system that shuts the heater off when indoor oxygen drops too low. It is CSA certified for indoor propane use. Always follow the manufacturer's placement and ventilation guidelines.
Can I mount this on a wall?
Yes. The heater comes with wall mounting hardware and floor-standing legs. You can choose whichever installation fits your space best.
How much propane does this heater burn per hour?
It burns 1.389 lbs of propane per hour at full power. A standard 20 lb propane tank provides about 14 hours of full-output heating.
Best For
How this product scores for different use cases
Scores
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