Hot Dawg® Garage Heater - Modine HVAC

Hot Dawg® Garage Heater

Hot Dawg® Garage Heater

Separated Combustion Gas-Fired Unit Heater

The Hot Dawg® separated combustion garage heater pulls 100% of the combustion air from outside, making this unit ideal for workspaces such as wood shops or a garage where the environment can be dusty or dirty. The fresh air supply reduces the common concerns about performance and durability when working in a dusty or particulate-laden environment.

Modine’s Hot Dawg® is available in 6 model sizes, ranging from 30,000 – 125,000 BTUs. All models can run on propane or natural gas, depending on your needs.

Certified for residential, commercial, and industrial use.

  • Draws combustion air from outside the workspace, ensuring the unit always has plenty of fresh, clean air to breathe.
  • Reduces common concerns about dusty, dirty, or humid applications, providing more exceptional durability and reduced maintenance.
  • The sealed compartment protects the combustion gas valve, ignition control, manifold, and burners from the environment.
  • Factory assembled, certified separated combustion saves installation time.
  • Low-profile, lightweight design easily installs 1″ from the ceiling with only two angle brackets*.
  • Operates on natural or propane gas; field conversation kits are available.
  • Finger-proof fan guards on all units.
  • Reduces the need for maintenance with the permanently lubricated motor.
  • 100% shut-off with continuous retry to allow for safe ignition in the event the unit doesn’t light on the first try.
  • Right or left-hand controls are available on 30-75 BTU Models by rotating the unit 180 degrees.
  • The power vented model simplifies side-wall or roof venting with the small-diameter vent pipe.
  • Fuel Type: natural or propane gas.
  • Designed, Engineered & Assembled in the USA

* Fuel Type: natural or propane gas, field conversation kits are available

Available Models

  • Separated combustion (HDS)
  • Separated combustion with blower (HDC)


  • Concentric and Two-Pipe Vent Kits
  • 30, 60, and 90-degree air deflector hoods
  • Vibration Isolation Kit
  • Summer-Winter Toggle Switch


10-year warranty on the heat exchanger.

Warranty Overview

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