Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments. Some wiring required. Requires 110/120v electricity. Modine Hot Dawg units come setup for propane or natural gas. Call for elevations over 5500′ above sea level.
Features
- 80% efficient
- Made in the USA
- Certified for residential, commercial, and industrial use
- Direct spark ignition
- Power vented exhaust
- Convenient diagnostic system for troubleshooting
- Mounting brackets included
- 10 year warranty on the heat exchanger
Performance Specifications
For Greenhouse Sizing, use our Greenhouse Heater Size Calculator
| Model | Application | BTU Input | BTU Output | W x D x H | Weight (lbs) |
| HD30 | 1 to 1-1/2 Car Garage 200 to 400 Sq. Ft. |
30,000 | 24,000 | 26.8″ x 22″ x 12.2″ | 68 |
| HD45 | 2 to 2-1/2 Car Garage 400 to 600 Sq. Ft. |
45,000 | 36,000 | 26.8″ x 22″ x 12.2 | 78 |
| HD60 | 3 to 3-1/2 Car Garage 600 to 800 Sq. Ft. |
60,000 | 48,000 | 26.8″ x 25″ x 18″ | 80 |
| HD75 | 4+ Car Garage 800 to 1000 Sq. Ft. |
75,000 | 60,000 | 26.8″ x 25″ x 18″ | 85 |
| HD100 | Large Garage or Shop 1000 to 1200 Sq. Ft. |
100,000 | 80,000 | 35.5″ x 31″ x 20.5″ | 125 |
| HD125 | Large Garage or Shop 1200 to 1400 Sq. Ft. |
125,000 | 100,000 | 35.5″ x 31″ x 20.5″ | 128 |
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