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Find your gas fired unit heater at eComfort. We carry a wide selection of gas unit heaters from the top brands. Shop now or let our experts help you find a gas fired unit heater today.
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Model Number HED-200A-SD is a Hot Seller
Learn More About HED-200A-SD
ADP HED-200A Duct Furnace, Aluminized Steel Heat Exchanger, NG - 200,000 BTU (Scratch & Dent)
Model: HED-200A-SD
ADP HED-200A Duct Furnace, Aluminized Steel Heat Exchanger, NG - 200,000 BTU, Natural Gas Fuel Type
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Scratch & Dent
$649.50
Was 
$1,299.00
SAVE $649.50
Only 1 In-Stock
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Model Number PDP200AE0130 is the Number 1 Seller
Learn More About PDP200AE0130
Modine PDP - 200,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP200AE0130
Modine - PDP200AE0130 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
9% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(29)
Q&A (1)
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On Sale Ends 06/30
$1,118.00
Was 
$1,220.00
SAVE $102.00
In-Stock
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Model Number HD75AS0121 is the Number 2 Seller
Learn More About HD75AS0121
Model HD75AS0121 is a Recommended Product
Modine Hot Dawg HD - 75,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HD75AS0121
Modine - HD75AS0121 - 75,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
7% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(36)
Q&A (4)
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On Sale Ends 06/30
$748.00
Was 
$895.00
SAVE $147.00
Only 4 In-Stock
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Model Number HD75AS0111 is the Number 3 Seller
Learn More About HD75AS0111
Model HD75AS0111 is a Recommended Product
Modine Hot Dawg HD - 75,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HD75AS0111
Modine - HD75AS0111 - 75,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
6% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(34)
Q&A (4)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$725.00
Was 
$900.00
SAVE $175.00
Only 4 In-Stock
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Model Number PDP200AE0185 is the Number 4 Seller
Learn More About PDP200AE0185
Modine PDP - 200,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP200AE0185
Modine - PDP200AE0185 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
6% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(30)
Q&A (1)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$1,118.00
Was 
$1,220.00
SAVE $102.00
Only 4 In-Stock
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Model Number UDAP-250 is the Number 5 Seller
Learn More About UDAP-250
Model UDAP-250 is a Recommended Product
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
5% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(45)
Q&A (5)
$1,560.00
In-Stock
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Learn More About UDAP-200
Model UDAP-200 is a Recommended Product
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
4% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(46)
Q&A (4)
$1,390.00
In-Stock
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2% Check Discount
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Learn More About UDAP-60
Model UDAP-60 is a Recommended Product
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
4% 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&A (5)
$898.00
In-Stock
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Learn More About UDAP-75
Model UDAP-75 is a Recommended Product
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
3% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(46)
Q&A (5)
$948.00
In-Stock
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Learn More About HD45AS0121
Model HD45AS0121 is a Recommended Product
Modine Hot Dawg HD - 45,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HD45AS0121
Modine - HD45AS0121 - 45,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
3% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(33)
Q&A (4)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$679.00
Was 
$790.00
SAVE $111.00
Only 1 In-Stock
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Learn More About HD125AS0121
Modine Hot Dawg HD - 125,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HD125AS0121
Modine - HD125AS0121 - 125,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
3% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(32)
Q&A (4)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$910.00
Was 
$1,080.00
SAVE $170.00
Only 2 In-Stock
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Learn More About PDP150AE0130
Modine PDP - 150,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP150AE0130
Modine - PDP150AE0130 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
3% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(29)
Q&A (1)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$1,038.00
Was 
$1,170.00
SAVE $132.00
Only 2 In-Stock
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2% Check Discount
Learn More About 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-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
3% 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&A (5)
$858.00
In-Stock
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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
3% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(42)
Q&A (4)
$1,350.00
Was 
$1,385.95
SAVE $35.95
Factory-Direct
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2% Check Discount
Learn More About 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-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
2% 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&A (5)
$2,176.00
In-Stock
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2% Check Discount
Learn More About 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
2% Buy This
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5(43)
Q&A (5)
$989.00
In-Stock
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Learn More About PDP300AE0130
Model PDP300AE0130 is a Recommended Product
Modine PDP - 300,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP300AE0130
Modine - PDP300AE0130 - 300,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
2% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(31)
Q&A (1)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$1,538.00
Was 
$1,776.00
SAVE $238.00
In-Stock
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2% Check Discount Icon
2% Check Discount
Learn More About 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 HD125AS0111
Modine Hot Dawg HD - 125,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HD125AS0111
Modine - HD125AS0111 - 125,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
2% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(31)
Q&A (4)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$869.00
Was 
$1,080.00
SAVE $211.00
Only 2 In-Stock
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Learn More About PDP150AE0185
Modine PDP - 150,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP150AE0185
Modine - PDP150AE0185 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
2% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(30)
Q&A (1)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$1,038.00
Was 
$1,170.00
SAVE $132.00
Only 2 In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 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
Model UDAP-125 is a Recommended Product
Reznor UDAP-125 Power Vented Gas Fired Unit Heater, NG, Aluminized Heat Exchanger - 120,000 BTU
Model: UDAP-125
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(45)
Q&A (5)
$1,148.00
In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 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-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
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(42)
Q&A (4)
$1,193.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 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 PDP250AE0130
Model PDP250AE0130 is a Recommended Product
Modine PDP - 250,000 BTU - Unit Heater - NG - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Model: PDP250AE0130
Modine - PDP250AE0130 - 250,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
2% Buy This
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5(31)
Q&A (1)
View All Gas Fired Unit Heaters on Sale
On Sale Ends 06/30
$1,499.00
Was 
$1,600.00
SAVE $101.00
Only 2 In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight *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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 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 HDB75AS0121
Modine HDB - 75,000 BTU - Unit Heater - LP - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger
Model: HDB75AS0121
Modine - HDB75AS0121 - 75,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% AFUE - Power Vented - Aluminized Steel Heat Exchanger - Blower Driven - 115V/60Hz/1 Phase*
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Q&A (2)
$1,820.00
Factory-Direct
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2% Check Discount Icon
2% Check Discount
Learn More About 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-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
1% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(42)
Q&A (5)
$828.00
In-Stock
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