Garage Furnaces in a garage space

Garage and Workshop Heaters

Garage and Workshop Heater Details

Direct-Vent Counterflow
Equipped with a counterflow blower system that circulates warm air from ceiling to floor, and a 4′ electrical power cord.

Direct-Vent Gravity
These models require no electricity and are great during power outages. Thermostat (sold separately) may be wall or cabinet mounted.

Direct-Vent High-Efficiency
These furnaces require no inside air for operation, making them a safe choice for adding comfort to almost any room. Ideal for homes, apartments, offices, garages and room additions.


  • “Matchless” pilot igniter
  • Natural or propane models (conversion kits available)
  • Easy installation – all vent materials included
  • Multi-room heating with optional outlet kit (Counterflow models)
williams garage furnaces

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