Lowest Prices Online | Free Shipping + No Sales Tax (exclusions may apply) | Call or Text Us For Assistance: +1 (800) 484-0224

Summer Sales Event!

SUMMER5
Modine  |  SKU: HD45AS0111

Modine Hot Dawg Garage Heater - 45K BTU/Direct Spark Ignition/NG/Single Stage w/Aluminized Steel Heat Exchanger

$1,637.00
+
📦 FREE Shipping
Authorized Modine Dealer
Manufacturer Warranty Included
  • Authorized Online Dealer
  • 🚚Free Shipping (exclusions may apply)
  • 💲We Beat The Lowest Price
  • 📦Fast 4–7 Day Delivery
  • 🛡️Manufacturer Warranty Included
  • 📞 Questions? Call Our Experts: +1 (800) 484-0224
Use code: SUMMER5 (5% OFF)


Price Match Guarantee

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us, let us know and we beat the price hands down. We want you to feel confident that you are getting the absolute best price for the product you are ordering. 

Our 100% Price Match Guarantee has the following restrictions: 

Promotions such as rebates and buy one, get one free offers are not eligible 

The website can not be a discounter or auction website (ie; eBay, etc..) 

The competitor must be an Authorized Retailer of the item you have purchased 

The Price Match Guarantee includes will be calculated based on item price, sales tax, shipping charges 

Price Matches Do Not Apply For Exchange Orders, or replacements 

Please Note: Some Exclusions May Apply

Delivery and Shipping

Your order processing time is 1 to 2 days. Please note that the cut-off time for order placement is 6 p.m. Orders received after this time will be processed on the following business day.

Your order will arrive within 4 to 7 days on average (free shipping over $200). Shipping for orders under $200 incurs a flat fee of $15. We currently offer shipping only within the continental United States (island deliveries may incur additional costs); international shipping is not available.

Mostly all of our orders are shipped via one of our third-party freight carriers (18-wheeler). If your order has an item that is shipped on a freight carrier, you will be contacted to schedule a curbside delivery time. Please make sure to put the correct phone number at checkout.

Upon placing your order, you will receive a confirmation e-mail. This message will confirm your order has been received by our system, and your credit card was approved for purchase. We will not charge your card until the item has shipped unless it's back ordered and we need to hold an item for you. 

As soon as your order is received on our end, we process it!

Authorized Online Dealer
Free Shipping + No Sales Tax (exclusions may apply)
We Beat The Lowest Price
Fast 4-7 Day Delivery
Manufacturer Warranty Included
Questions? Call Our Experts: +1 (800) 484-0224

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Description

Modine Hot Dawg Garage Heater

The Modine Hot Dawg Garage Heater - 45K BTU/Direct Spark Ignition/NG/Single Stage w/Aluminized Steel Heat Exchanger is a dependable heating solution designed for garages, workshops, and small commercial spaces. Delivering 45,000 BTU of consistent heat, this natural gas garage heater provides efficient warmth for year-round comfort in colder environments. Its direct spark ignition system ensures safe, reliable, and quick startups, while the single-stage on/off operation makes it easy to control.

The aluminized steel heat exchanger offers long-lasting durability and corrosion resistance, making it ideal for heavy-duty use. Compact and low-profile, the Hot Dawg heater installs close to the ceiling, saving valuable floor space while maintaining optimal heating performance. Engineered for energy efficiency, low maintenance, and industrial-grade reliability, this Modine 45K BTU heater is perfect for anyone seeking a high-performance natural gas garage heater with proven durability and consistent heating output.

Features

  • Made in the USA – Built with high-quality materials for long-lasting durability and reliability.

  • 45,000 BTU Heating Capacity – Provides efficient and consistent heat for garages, workshops, and small commercial spaces.

  • Aluminized Steel Heat Exchanger – Ensures corrosion resistance and extended service life.

  • Direct Spark Ignition System – Offers safe, fast, and reliable startup every time.

  • Single-Stage Operation – Easy on/off control for simple, energy-efficient heating.

  • Low-Profile, Lightweight Design – Installs just 1” from the ceiling using the included two angle brackets, saving floor space.

  • Permanently Lubricated Motor – Minimizes maintenance while delivering smooth, quiet operation.

  • 100% Safety Shut-Off with Continuous Retry – Prevents unsafe operation if the heater does not ignite on the first attempt.

  • Flexible Control Options – Right or left-hand controls available on 30K–75K BTU models by rotating the unit 180°.

  • Power Vented Model – Simplifies side-wall or roof venting with a small-diameter vent pipe.

  • 3" Vent Connection – Designed for efficient venting and airflow management.

  • Field Fuel Conversion Kits Available – Allows conversion to other compatible fuels if needed.

  • Finger-Proof Fan Guards – Ensures safe operation in any workspace.

  • Draws Combustion Air from Inside – Maintains effective heating performance in enclosed areas.

Specifications

Specification Details
Fuel Type Natural Gas
Control Type Electronic/IPI
Color/Finish Gray
Size 26.8"W x 13.2"T x 22"D
Heating Capacity 45,000 BTU