Heaters
Construction and Shop Heaters by Size and Fuel
This collection spans three scales. The Milwaukee M18 70,000 BTU forced air propane heater is a cordless-powered unit for garages and small sites. Mi-T-M covers portable kerosene and propane forced air heaters from 135,000 to 600,000 BTU, gas-fired convection heaters, propane radiant patio heaters, and tank-top radiant heaters. Generac MAC mobile heaters serve large commercial jobs with indirect-fired, flameless air, and hydronic surface units.
What to Look For
- Heat output. Size BTU to the space. A garage needs far less than an open building shell.
- Direct or indirect fired. Direct-fired heaters put combustion air into the space. Indirect-fired heaters send clean heated air through a duct.
- Heat delivery. Forced air moves heat fast, convection heats evenly, and radiant warms people and surfaces in front of it.
- Ground thaw. Hydronic surface heaters warm ground and concrete rather than air.
Shop heaters at The Tool Nut, an authorized dealer since 1994, with free shipping on most orders and rewards points on every purchase.
Heaters FAQ
Direct-fired or indirect-fired heater?
Direct-fired forced air heaters are efficient and portable, but they release combustion byproducts into the space. Indirect-fired units, such as the Generac MAC indirect mobile heaters, vent those outside and duct clean air in, which suits occupied or enclosed areas.
Can I use a propane or kerosene heater indoors?
Only as the manual allows. Fuel-burning heaters need fresh air and set clearances from anything that can burn. Follow the ventilation and clearance rules for your model and use a carbon monoxide detector.