How much space will it heat?

Mr. Heater rates it for up to 625 sq ft. In practice that assumes a well-insulated, ventilated space; a cold garage will feel it less.

Does it need electricity?

No. It runs entirely on propane, with a Piezo igniter and a thermo-electric valve, so it works where there is no outlet.

What tank does it use?

A standard 20 lb liquid propane tank, connected with the included 10-ft hose and regulator.

Can I use it indoors?

Only in ventilated spaces such as garages, workshops and job sites. It is not for bedrooms or sealed rooms.

Does it have a thermostat or fan?

No. Output is fixed at 25,000 BTU and heat moves by convection only, with no fan or thermostat.

Is it safe if the flame blows out?

Yes. The thermo-electric safety valve shuts off the gas supply if the flame goes out.

Mr. Heater

Mr Heater 25000 Btu Convection Propane Portable Heater

Best price now

$68.14at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

Mr. Heater

Mr Heater 25000 Btu Convection Propane Portable Heater

Best price now

$68.14at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $68.14 at Walmart on Nov 9.

Our take on the Mr Heater 25000 Btu Convection Propane Portable Heater

The Mr. Heater MH25CVX is a 25,000 BTU convection propane heater that runs off a 20 lb tank and is rated to heat up to 625 sq ft. It has no fan: it relies on warm air rising through the convection chamber, so it runs silent and needs no electricity. A thermo-electric safety valve cuts the gas if the flame goes out, and a Piezo igniter lights it without matches. It suits garages, job sites, workshops and other ventilated spaces where a cordless, quiet heat source matters more than fast warm-up. Against fan-forced propane heaters it spreads heat more slowly and less evenly, but it has fewer parts to fail and nothing to plug in.

Best forGarages and workshopsJob sites without powerVentilated rooms up to 625 sq ftBuyers who want silent, cordless heat

Pros

No electricity needed; runs off a 20 lb propane tank
Silent operation, no fan noise
Thermo-electric safety valve shuts off gas if the flame dies
Piezo igniter lights it without matches
10-ft hose and regulator included

Cons

Convection heat is slower and less even than fan-forced models
Needs ventilation; not for bedrooms or sealed rooms
Requires a separate 20 lb propane tank
No thermostat or adjustable heat output

Mr Heater 25000 Btu Convection Propane Portable Heater prices at every store

WalmartNew
In stock
$68.14Free shippingChecked Nov 9
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What reviewers say

4.5 / 5128 ratings

Owners rate it highly for reliable, quiet heat in garages and shops. Most praise the simple setup and the safety shutoff; some note it warms a space gradually rather than quickly.

What people mention

Heat outputPraisedOwners say it throws strong heat for its size in a garage or shop.
NoisePraisedReviewers like that it runs silently with no fan.
SetupPraisedBuyers report the hose and regulator hook up to a 20 lb tank quickly.
Warm-up speedMixedSome say convection heat builds slowly and is uneven across a large room.
Safety valvePraisedOwners value the shutoff that cuts gas if the flame goes out.

About the Mr Heater 25000 Btu Convection Propane Portable Heater

Heater MH25CVX is a 25,000 BTU liquid propane convection heater. It uses the natural rise of warm air to heat an area of up to 625 sq ft.

A thermo-electric safety valve shuts off the gas flow if the flame goes out. A Piezo igniter is installed at the factory for lighting the heater.

To set it up, connect the supplied 10-ft propane hose and regulator assembly to a 20 lb propane tank, then light the heater with the igniter.

Model: MH25CVX
Heat output: 25,000 BTU/HR
Fuel: Liquid propane
Heating area: Up to 625 sq ft
Heating type: Convection
Ignition: Piezo igniter, factory installed
Safety: Thermo-electric safety valve shuts off gas if the flame goes out
Tank: Connects to a 20 lb propane tank
Hose: 10-ft propane hose and regulator assembly included
Color: Gray

Specifications

color: GraySource
size: 25k BTU/HRSource

Questions and answers

How much space will it heat?: Mr. Heater rates it for up to 625 sq ft. In practice that assumes a well-insulated, ventilated space; a cold garage will feel it less.
Does it need electricity?: No. It runs entirely on propane, with a Piezo igniter and a thermo-electric valve, so it works where there is no outlet.
What tank does it use?: A standard 20 lb liquid propane tank, connected with the included 10-ft hose and regulator.
Can I use it indoors?: Only in ventilated spaces such as garages, workshops and job sites. It is not for bedrooms or sealed rooms.
Does it have a thermostat or fan?: No. Output is fixed at 25,000 BTU and heat moves by convection only, with no fan or thermostat.
Is it safe if the flame blows out?: Yes. The thermo-electric safety valve shuts off the gas supply if the flame goes out.
Where is the Mr Heater 25000 Btu Convection Propane Portable Heater cheapest?: At Walmart, for $68.14, as of our latest check.
What do buyers say about the Mr Heater 25000 Btu Convection Propane Portable Heater?: Rated 4.5 out of 5 from 128 ratings.