Description
Modine Hot Dawg Garage Heater – 45K BTU/Direct Spark Ignition/NG/Single Stage w/Aluminized Steel Heat Exchanger – HD45AS0111
The Modine Hot Dawg Garage Heater is a powerful and reliable heating solution designed for use in garages, workshops, and other small spaces. With a heating capacity of 45,000 BTUs, this heater is capable of providing efficient and effective heat to a variety of spaces. The Hot Dawg heater is powered by natural gas and features a single stage, direct spark ignition system for easy and reliable start-up. The heater also includes an aluminized steel heat exchanger, which helps to distribute heat evenly and efficiently. Overall, the Modine Hot Dawg Garage Heater is a durable and effective option for keeping small spaces warm and comfortable.
Features
- Made in the USA
- Low profile, lightweight design easily installs 1” from ceiling with only two angle brackets (included)
- Field fuel conversion kits available
- Finger-proof fan guards on all units
- Reduce 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 available on 30-75 units by rotating unit 180 degrees
- Power vented model simplifies side-wall or roof venting with small-diameter vent pipe
- Draws combustion air from inside the workspace
- 3″ vent connection
- Natural Gas
What our Experts Think
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Powerful Garage Heating: 45,000 BTU output warms garages, workshops, and medium‑sized spaces quickly and effectively.
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Efficient & Reliable: Direct spark ignition provides dependable starts and consistent performance.
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Durable Construction: Aluminized steel heat exchanger resists corrosion and extends service life.
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Compact & Practical: Space‑saving design installs easily in ceilings or walls without compromising heat distribution.
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User‑Focused Safety: Built‑in safety features help ensure secure operation during cold‑weather use.
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Trusted Brand: Modine’s Hot Dawg series is known for rugged reliability and long‑lasting performance in residential and light commercial settings.
Q&A
Q: What is the Modine HD45AS0111?
A: A 45,000 BTU garage heater designed for reliable, high-efficiency heating in residential or small commercial spaces.
Q: What fuel does it use?
A: Natural gas (NG) with direct spark ignition for easy, safe startup.
Q: What type of heat exchanger does it have?
A: Aluminized steel heat exchanger for durability and long-lasting performance.
Q: Is it suitable for garages and workshops?
A: Yes, ideal for heating garages, workshops, or similar medium-sized spaces.
Q: Why choose it?
A: Combines efficient heating, durable construction, and reliable performance in a compact design.
Maintenance Tips
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Clean the aluminized steel heat exchanger and burner regularly for efficient operation.
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Inspect gas connections and ignition system periodically for leaks or proper function.
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Keep the area around the heater free of dust, debris, or obstructions.
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Test safety controls periodically to ensure reliable and safe operation.
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Schedule annual professional servicing for peak performance and longevity.
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Follow manufacturer guidelines for installation, operation, and maintenance.






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