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Compare Garage Heaters
Modine Garage Heater
Empire Gas Heater
Sterling Garage Heater
Electric Greenhouse Heaters
Compare All
Modine Gas
Williams Gas
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Radiant Gas

Modine Natural Gas and Propane Heaters

Modine Heaters are Proudly Made in the USA.
Modine HD 'Hot Dawg' Gas Heaters - Sale
Modine Hot Dawg Gas Garage Heater

      Power Exhaust
      Electronic Igniter
      Residential Certified
80% efficient. These low-profile gas heaters are certified for residential and commercial use and an excellent heating option for greenhouses, garages, sheds, etc. 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. Designed for propane or natural gas. Mounting brackets included.
 Modine Hot Dawg HeaterGarage Sizing Chart & More Heater Information
 Modine HD Heater Parts
  Model BTU
Gas Type
Order Online
HD30 30,000 24,000 $595
HD45 45,000 36,000 $615
HD60 60,000 48,000 $699
HD75 75,000 60,000 $725
All HD heaters and accessories are delivered direct to you in 1 to 2 weeks.
3" Horizontal Vent Systems for Modine HD Heaters
Hot Dawg Vent Pipe Kit
Each vent system comes complete with everything needed to vent a Modine HD heater.
These 3' stainless steel, gas tight 3" vent systems are approved by Modine for horizontal installation in residential and commercial applications for all HD heaters. Each kit is category III certified gas tight and simple to install (the vent pipe has a built-in locking band and gasket system requiring only a screwdriver for assembly). Most durable, longest lasting, and lowest maintenance vent system available for Modine Hot Dawg heaters.
Garage/Shop Vent Kit includes: Modine HD 3" adapter, two 12" x 3" vent pipes, 3" wall thimble with adjustable vent pipe, 3" screened termination tee, and installation instructions for HD heaters. Greenhouse Vent Kit includes: Modine HD 3" adapter, 36" x 3" vent pipe, two 3" firestops, 3" storm collar, 3" screened termination tee, and installation instructions for HD heaters.
Click Here for Additional Stainless Steel Venting

This Venting System will NOT Work with Modine PDP Heaters
3" HD Garage/Shop Vent Kit
(Designed for walls over 4" thick)
Price: $195    qty:
3" HD Greenhouse Vent Kit
(Designed for walls less than 4" thick)
Price: $199    qty:

Modine PDP Gas Heaters
Modine PDP Gas Heater      FEATURES
    Power Exhaust
    Automatic Pilot Igniter
80% efficient. These gas unit heaters are very similar to the PD heaters except PDP heaters are power vented and have a intermittent pilot ignition (pilot is lit automatically when heater calls for heat). They are designed for suspended mounting and require only a vent pipe and connections to a gas and electric line for installation. PDP heaters also include: corrosion and rust resistant aluminized steel components for dependable worry-free operation, safety features like overheating controls and a safety shut-off, high power fan to provide even heat distribution, and a baked-on enamel finish made to protect the PDP from harsh environments. Some wiring required. Requires 110/120v electricity. Designed for propane or natural gas.
(Replaced PV units)    

 Modine PDP heaterMore PDP Gas Heater Information

Model BTU
Shipping Information

Email us at for availability and shipping rates to your location. (Include your zip code and specify either propane or natural gas)

Compare with other models:
Sterling TF Gas Heaters

The PDP is not made in any other size.
For smaller heaters, view the Modine HD above or Sterling GG heaters.
PDP150 150,000 120,000
PDP175 175,000 140,000
PDP200 200,000 160,000
PDP250 250,000 200,000
PDP300 300,000 240,000
PDP350 350,000 280,000
PDP400 400,000 320,000
Modine PDP heaters are shipped by motor freight. Delivery time is usually 2 to 4 weeks.
Modine PD, PAE, & PA Gas Heater Parts
Modine PD Gas Heater
Modine PD gas heaters have been discontinued
like the PAE and PA heaters they replaced.
To order Modine parts, click on the link below.

Modine PD, PAE, PA Heater Parts 
Models Models
Modine Parts and Information
PA50, PAE50, PD50 PA175, PAE175, PD175

These units have been discontinued and are no longer available. They have been replaced by the PDP heaters.

Modine PD, PAE, and
PA Heater Parts

PA75, PAE75, PD75 PA200, PAE200, PD200
PA100, PAE100, PD100 PA250, PAE250, PD250
PA125, PAE125, PD125 PA300, PAE300, PD300
PA145, PAE150, PD150 PA400, PAE400, PD400

Quick Swivel Heater Hanging Kit
Heater Hanging Kit

Ask yourself this question, How do I install a unit heater to a finished ceiling? Before now, there was no good answer to that question. The Quick Swivel solves that challenge quickly and efficiently. They mount in mere minutes, and they swivel 360 degrees allowing you to be able to direct heat output as required and lock it in place for safety. The Quick Swivel technology allows the installer amazing flexibility to maximize efficiency with the proper directional unit output. Either model will safely hold units up to 200-pounds. Works with all Modine HD heaters.

  • All mounting hardware is included
  • Mounts parallel or across joists at 16" or 24" on center
  • Allows for 360 unit rotation for easy vent connection
  • Safely locks into place after installation
  • Provides anti-vibration isolation of the heater
  HDS Gas HeaterFlush Mount Spec Sheet
HDS Gas HeaterFlush Mount Assembly Drawing
HDS Gas HeaterU Mount Spec Sheet
HDS Gas HeaterU Mount Assembly Drawing

Flush Mount Hanging Kit
(Fits all model GG and HD heaters)
Price: $115    qty:
U Mount Hanging Kit
(Fits all model GG and HD heaters)
Price: $119    qty:

Modine Heater Thermostat Specials - Sale & Free Shipping
Modine Heater Thermostats
The LuxPRO thermostat is ideal for garages and shops. It has a built-in thermometer and 50 to 90 F range, on/off switch, and auto fan switch.
Regular $26.95
LuxPRO Thermostat
Sale: $20
The rugged SureSTAT T110 single stage thermostat is recommended for use with Sterling heaters in wet applications like greenhouses. 30 to 110 F
Regular $34.95
SureSTAT Thermostat
Sale: $30
The Robertshaw programmable thermostat includes a built-in thermometer, allows multiple heat settings daily and/or weekly, has an easy to read LCD display, on/off capability, and auto fan switch. 45 to 90 F Regular $39.95
Robertshaw Thermostat
Sale: $35
The Dayton wireless programmable thermostat transmits wirless signal up to 80', allows multiple heat settings daily and/or weekly, has an easy to read LCD display, on/off capability, and auto fan switch. 41 to 95 F Regular $69.95
Wireless Thermostat
Sale: $50
You can view more information about these and other thermostats by Clicking Here.
Gas Heater Flexible Connector Kit
Flexible Gas Heater Connector
This kit makes installing the gas line to a heater quick and easy. Just bend the 24" flexible gas line as needed to connect the heater valve to the existing gas pipe. The included gas shut-off provides easy on/off control of gas to your heater, and the side tap allows you to check the incoming gas pressure before it reaches your heater (higher than recommended pressures can damage the gas valve on a heater). All parts are certified for use with gas heaters up to 150,000 BTU input. Flexible Connector Kit includes: 24" x 1/2" ID stainless steel flexible gas connector, all adapters needed for Modine heaters, brass 1/2" gas shut-off valve with side tap, gas pipe sealant tape, and installation instructions.
Price: $39   

Not sure what size heater you need for your greenhouse? Use our Heater BTU Calculator.


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 ACF Greenhouses
380 Greenhouse Drive
Buffalo Junction, VA 24529
434-374-2706 Phone, 434-374-2055 Fax
888-888-9050 Toll Free

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