About Garage Heaters
Garage heaters are specialized heating units designed to warm detached or attached garages, workshops, or large unheated spaces quickly and efficiently. They turn cold, unusable areas into comfortable workspaces for cars, tools, hobbies, or storage during winter.
Common types include:
Forced air gas/propane heaters – Powerful blowers distribute hot air fast; best for large garages (e.g., 500+ sq ft).
Infrared/radiant heaters – Heat objects and people directly without warming air; great for spot heating or high ceilings.
Electric unit heaters – Easy to install, no venting needed; ideal for smaller, well‑insulated garages.
These heaters come in suspended ceiling/wall mounts to save floor space and often use natural gas, propane, or electricity. Proper sizing (BTUs based on garage size/insulation) ensures even heat without wasting energy.
Popular Products
Modine Garage Heaters
Rugged Hot Dawg series gas heaters excel in large, uninsulated garages. High BTU output (up to 175k), durable aluminized steel, and simple controls for workshops.
Hot Dawg® - Power Vented (HD) Power Vented (HD)
Modine’s Hot Dawg is widely recognized as the industry’s most popular residentially-certified gas-fired unit heater, with six sizes available from 30,000 – 125,000 BTUs. It is an ideal solution for residential garages and workshops, along with light commercial or industrial applications.
The Special Edition trim kits are now available in three different style options. These kits fit new or existing Hot Dawg unit from 30,000 – 75,000 BTUs. Choose from:
Huntin’ Dawg – perfect for sportsmen & hunters
Diamond Dawg – a great compliment to any car or motorcycle enthusiasts garage
Carbon Fiber – spruce up your standard Hot Dawg with this exciting option
