Commercial & Industrial Heaters

We offer a variety of commercial and industrial unit heaters, featuring Modine heaters and Reznor natural gas unit heaters, all with FREE SHIPPING and wholesale pricing.

Built for easy installation, we carry unit heaters in BTU ranges from 40,000 – 400,000, providing solutions for small workshops all the way up to large warehouses. For high efficiency heating, check out the Modine Effinity natural gas unit heater line, or if you’re heating a greenhouse, look for the Modine steam heaters and consider Modine infrared tube heaters for both indoor and outdoor applications.

Set Descending Direction

25-48 of 328

  • Reznor 30,000 BTU Natural Gas Unit Heater - UDAP-30

    Reznor 30,000 BTU Gas Unit Heater

    Model: UDAP-30

    Regular Price: $1,044.21

    Special Price $939.80

    FREE SHIPPING
  • Modine 63,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Modine 63,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Model: HSB63S01
    Low Price: $940.50
    FREE SHIPPING
  • Modine 63,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Modine 63,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Model: HC63S01
    Low Price: $940.50
    FREE SHIPPING
  • Reznor 45,000 BTU Natural Gas Unit Heater - UDAP-45

    Reznor 45,000 BTU Gas Unit Heater

    Model: UDAP-45
    Low Price: $977.33
    FREE SHIPPING
  • Sterling 45,000 BTU GG045 Unit Heater

    Sterling 45,000 BTU GG045 Unit Heater

    Model: GG045A1NSA11
    Low Price: $978.95
    FREE SHIPPING
  • Modine 59,000 BTU Hot Water/Steam Unit Heater - Vertical - Cupro-Nickel Heat Exchanger

    Modine 59,000 BTU Hot Water/Steam Unit Heater - Vertical - Cupro-Nickel Heat Exchanger

    Model: VN59S01
    Low Price: $988.90
    FREE SHIPPING
  • Sterling 60,000 BTU GG060 Unit Heater

    Sterling 60,000 BTU GG060 Unit Heater

    Model: GG060A1NSA11

    Regular Price: $1,099.93

    Special Price $989.95

    FREE SHIPPING
  • Modine 86,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Modine 86,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Model: HSB86S01
    Low Price: $1,001.00
    FREE SHIPPING
  • Modine 86,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Modine 86,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Model: HC86S01
    Low Price: $1,001.00
    FREE SHIPPING
  • Sterling 75,000 BTU GG075 Unit Heater

    Sterling 75,000 BTU GG075 Unit Heater

    Model: GG075A1NSA11
    Low Price: $1,022.95
    FREE SHIPPING
  • Reznor 60,000 BTU Natural Gas Unit Heater - UDAP-60

    Reznor 60,000 BTU Gas Unit Heater

    Model: UDAP-60

    Regular Price: $1,144.09

    Special Price $1,029.69

    FREE SHIPPING
  • Modine 78,000 BTU Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger

    Modine 78,000 BTU Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger

    Model: V78S01
    Low Price: $1,050.50
    FREE SHIPPING
  • Reznor 75,000 BTU Natural Gas Unit Heater - UDAP-75

    Reznor 75,000 BTU Gas Unit Heater

    Model: UDAP-75

    Regular Price: $1,200.32

    Special Price $1,080.29

    FREE SHIPPING
  • Sterling 90,000 BTU GG090 Unit Heater

    Sterling 90,000 BTU GG090 Unit Heater

    Model: GG090A1NSA11
    Low Price: $1,083.45
    FREE SHIPPING
  • Modine 42,000 BTU Hot Water/Steam Unit Heater - Vertical - Cupro-Nickel Heat Exchanger

    Modine 42,000 BTU Hot Water/Steam Unit Heater - Vertical - Cupro-Nickel Heat Exchanger

    Model: VN42S01
    Low Price: $1,083.50
    FREE SHIPPING
  • Modine 95,000 BTU Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger

    Modine 95,000 BTU Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger

    Model: V95S01
    Low Price: $1,089.00
    FREE SHIPPING
  • Sterling 105,000 BTU GG105 Unit Heater

    Sterling 105,000 BTU GG105 Unit Heater

    Model: GG105A1NSA11
    Low Price: $1,121.95
    FREE SHIPPING
  • Modine 30,000 BTU Hot Water/Steam Unit Heater - Low Profile - Horizontal - Copper Heat Exchanger

    Modine 30,000 BTU Hot Water/Steam Unit Heater - Low Profile - Horizontal - Copper Heat Exchanger

    Model: HHD30S01
    Low Price: $1,122.00
    FREE SHIPPING
  • Sterling 120,000 BTU GG120 Unit Heater

    Sterling 120,000 BTU GG120 Unit Heater

    Model: GG120A1NSA11
    Low Price: $1,154.95
    FREE SHIPPING
  • Modine 108,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Modine 108,000 BTU Hot Water/Steam Unit Heater - Horizontal - Top/Bottom Connections - Copper Heat Exchanger

    Model: HSB108S01
    Low Price: $1,166.00
    FREE SHIPPING
  • Modine 108,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Modine 108,000 BTU Hot Water/Steam Unit Heater - Horizontal - Side Connections - Copper Heat Exchanger

    Model: HC108S01
    Low Price: $1,166.00
    FREE SHIPPING
  • Sterling 25,000 BTU Natural Gas Infrared Radiant Heater

    Sterling 25,000 BTU Natural Gas Infrared Radiant Heater

    Model: RSG025N1U0
    Low Price: $1,182.50
    FREE SHIPPING
  • Sterling 35,000 BTU Natural Gas Infrared Radiant Heater

    Sterling 35,000 BTU Natural Gas Infrared Radiant Heater

    Model: RSG035N1U0
    Low Price: $1,182.50
    FREE SHIPPING
  • Sterling 45,000 BTU Natural Gas Infrared Radiant Heater

    Sterling 45,000 BTU Natural Gas Infrared Radiant Heater

    Model: RSG045N1U0
    Low Price: $1,182.50
    FREE SHIPPING

Set Descending Direction

25-48 of 328

When you purchase a Modine heater, you are getting a top-quality heater for your building or your commercial and industrial needs. On our site, you will find Modine units as small as 18,000 BTUs, as large as 310,000 BTUs and many sizes in between. The Modine Effinity line operates at an impressive 97% efficiency, further saving you and your company much needed energy dollars. The Modine Effinity models are environmentally friendly, with lower CO2 output than other heating sources.

Whether your needs are big or small, or if you own a warehouse or a greenhouse, check out our inventory of cost-effective commercial and industrial heaters today!

HVACDirect.com is here for you
We're Here for You!
Customer Reviews