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Reznor Gas Unit Heaters

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Reznor gas unit heaters are a great option to provide heat to your garage or workshop. We carry a wide selection of Reznor gas unit heaters in a variety of sizes, so you can find the perfect one for your needs.
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Learn More About UDAS-100-SD
Reznor UDAS-100 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 105,000 BTU (Scratch & Dent)
Model: UDAS-100-SD
Reznor UDAS-100 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 105,000 BTU, 115V, single-stage gas valve, 1361 CFM
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 Scratch & Dent
$1,609.00
Was 
$1,679.00
SAVE $70.00
Only 1 In-Stock
Free Shipping
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Learn More About UDAP-200
Reznor UDAP-200 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 200,000 BTU
Model: UDAP-200
Reznor UDAP-200 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 200,000 BTU, 115V, 2562 CFM
13% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(44)
Q&As (4)
$1,295.00
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About UDAP-75
Reznor UDAP-75 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 75,000 BTU
Model: UDAP-75
Reznor UDAP-75 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 75,000 BTU, 115V, 961 CFM
12% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(44)
Q&As (5)
$857.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Learn More About UDAP-250
Reznor UDAP-250 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 250,000 BTU
Model: UDAP-250
Reznor UDAP-250 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 250,000 BTU, 115V, 3202 CFM
10% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(43)
Q&As (4)
$1,482.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About UDAP-100
Reznor UDAP-100 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 105,000 BTU
Model: UDAP-100
9% Buy This
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5(41)
Q&As (5)
$987.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Learn More About UDAP-150
Reznor UDAP-150 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 150,000 BTU
Model: UDAP-150
Reznor UDAP-150 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 150,000 BTU, 115V, 1921 CFM
8% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(40)
Q&As (4)
$1,126.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-400
Reznor UDAP-400 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 400,000 BTU
Model: UDAP-400
Reznor UDAP-400 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 400,000 BTU, 115V, 5123 CFM
7% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(41)
Q&As (5)
$2,072.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-125
Reznor UDAP-125 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 120,000 BTU
Model: UDAP-125
6% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(43)
Q&As (5)
$1,077.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-60
Reznor UDAP-60 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 60,000 BTU
Model: UDAP-60
Reznor UDAP-60 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 60,000 BTU, 115V, 769 CFM
5% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(41)
Q&As (5)
$822.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Add To Cart
Learn More About UDAP-45
Reznor UDAP-45 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 45,000 BTU
Model: UDAP-45
Reznor UDAP-45 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 45,000 BTU, 115V, 629 CFM
5% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(41)
Q&As (5)
$787.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Learn More About UDAP-30
Reznor UDAP-30 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 30,000 BTU
Model: UDAP-30
Reznor UDAP-30 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 30,000 BTU, 115V, 456 CFM
4% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(40)
Q&As (5)
$757.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Add To Cart
Learn More About UDAP-175
Reznor UDAP-175 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 175,000 BTU
Model: UDAP-175
Reznor UDAP-175 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 175,000 BTU, 115V, 2242 CFM
3% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(40)
Q&As (4)
$1,237.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-300
Reznor UDAP-300 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 300,000 BTU
Model: UDAP-300
Reznor UDAP-300 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 300,000 BTU, 115V, 3943 CFM
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(41)
Q&As (5)
$1,737.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-75-AA2
Reznor UDAP-75 Power Vented Gas Fired Unit Heater - LP - Aluminized Heat Exchanger - 75,000 BTU
Model: UDAP-75-AA2
Reznor UDAP-75 Gas Fired Unit Heater, Power Vented, LP, Aluminized Heat Exchanger - 75,000 BTU, 115V, 961 CFM
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(40)
Q&As (4)
$1,067.40
Factory-Direct
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-225
Reznor UDAP-225 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 225,000 BTU
Model: UDAP-225
Reznor UDAP-225 Gas Fired Unit Heater, Power Vented, NG, Aluminized Heat Exchanger - 225,000 BTU, 115V, 2882 CFM
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(40)
Q&As (4)
$1,350.00
Was 
$1,385.95
SAVE $35.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAS-200
Reznor UDAS-200 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 200,000 BTU
Model: UDAS-200
Reznor UDAS-200 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 200,000 BTU, 115V, single-stage gas valve, 2562 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(11)
Q&As (3)
$2,198.95
Only 1 In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About F-25
Reznor F-25 Gas Fired Unit Heater - Gravity Vented - NG - Aluminized Heat Exchanger - 25,000 BTU
Model: F-25
Reznor F-25 Gas Fired Unit Heater, Gravity vent, 80% efficiency, NG, Aluminized Heat Exchanger - 25,000 BTU, 115V, 80% efficiency, 380 CFM
1% Buy This
Write a Review
Q&A (1)
$1,021.83
Factory-Direct
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAS-30
Reznor UDAS-30 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 30,000 BTU
Model: UDAS-30
Reznor UDAS-30 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 30,000 BTU, 115V, single-stage gas valve, 456 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(8)
Q&As (3)
$1,178.95
Only 5 In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About F-75
Reznor F-75 Gas Fired Unit Heater - Gravity Vented - NG - Aluminized Heat Exchanger - 75,000 BTU
Model: F-75
Reznor F-75 Gas Fired Unit Heater, Gravity vent, 80% efficiency, NG, Aluminized Heat Exchanger - 75,000 BTU, 115V, 80% efficiency, 980 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Q&A (1)
$1,153.40
Only 2 In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAP-45-AA2
Reznor UDAP-45 Power Vented Gas Fired Unit Heater - LP - Aluminized Heat Exchanger - 45,000 BTU
Model: UDAP-45-AA2
Reznor UDAP-45 Gas Fired Unit Heater, Power Vented, LP, Aluminized Heat Exchanger - 45,000 BTU, 115V, 629 CFM
1% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(38)
Q&As (4)
$969.31
Factory-Direct
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Add To Cart
Learn More About UDAS-75
Reznor UDAS-75 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 75,000 BTU
Model: UDAS-75
Reznor UDAS-75 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 75,000 BTU, 115V, single-stage gas valve, 961 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(10)
Q&As (3)
$1,548.95
Only 1 In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAS-45
Reznor UDAS-45 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 45,000 BTU
Model: UDAS-45
Reznor UDAS-45 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 45,000 BTU, 115V, single-stage gas valve, 629 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(9)
Q&As (3)
$1,298.95
In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About UDAS-150
Reznor UDAS-150 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 150,000 BTU
Model: UDAS-150
Reznor UDAS-150 Gas Fired Unit Heater, Separated Combustion, NG, Aluminized Heat Exchanger - 150,000 BTU, 115V, single-stage gas valve, 1921 CFM
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(8)
Q&As (3)
$2,048.95
Only 3 In-Stock
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About F-200
Reznor F-200 Gas Fired Unit Heater - Gravity Vented - NG - Aluminized Heat Exchanger - 200,000 BTU
Model: F-200
Reznor F-200 Gas Fired Unit Heater, Gravity vent, 80% efficiency, NG, Aluminized Heat Exchanger - 200,000 BTU, 115V, 80% efficiency, 2800 CFM
1% Buy This
Write a Review
Q&A (1)
$1,700.00
Factory-Direct
Free Shipping & Lift Gate
? *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
2% Check Discount
? Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart

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