Skip to Main Content
Skip to Search Filters
Skip to Footer
Results loading, please wait
|
Help
My Account
Loading...
Cancel
Deliver to
Change Location
Shopping in
?
Add Installation to Your Order!
Shopping in
?
Add Installation to Your Order!
×
Change Location
Update your ZIP Code below to see if you're in our network.
Current location:
Enter ZIP Code
Update
Home
/
Reznor
/
Reznor Natural Gas Duct Furnaces
Reznor Natural Gas Duct Furnaces
Quick Search
Select Product Type
Boilers - Hot Water
Boilers - Steam
Central Air Conditioners
Central Air Packages
Central Heat Pumps
Dehumidifiers
Electric Radiant Floor Heating
Energy Recovery Ventilators
Fans
Gas Furnaces
Heat Recovery Ventilators
Humidifiers
Mini Split Systems (Ductless)
PTAC Units
Radiators
Shower Systems
Thermostats
Unit Heaters
Water Heaters
Standby Generators
Select Product Type
Filter
▼
Best Selling
▼
Best Selling
Price: Low to High
Price: High to Low
Name: A-Z
Name: Z-A
Recommends Only
Closeouts Only
In-stock Only
Next Day Air Only
Availability
Go
Filters
Vent Type
×
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Chimney Vent (12)
Power Vent (9)
Product Line
RP (9)
X (12)
Product Height (Inches)
32 (6)
35 (6)
38 (9)
Product Width (Inches)
19 - 21 (3)
22 - 24 (1)
25 - 27 (2)
28 - 30 (1)
31 - 33 (2)
34 - 36 (2)
40 - 42 (4)
46 - 48 (1)
49 - 51 (2)
52 - 54 (1)
55 - 57 (1)
61 - 63 (1)
+ Show More
Product Depth (Inches)
26 (9)
28 (12)
Heat Exchanger Material
Aluminized Steel (20)
Stainless Steel (1)
Maximum Air Flow (CFM)
1105 (2)
1475 (1)
1840 (2)
2210 (2)
2580 (2)
2945 (2)
3315 (2)
3685 (2)
4420 (2)
5160 (2)
5895 (2)
+ Show More
Heating Capacity (BTU)
To
60000 - 79999 (2)
80000 - 99999 (1)
100000 - 119999 (2)
120000 - 139999 (2)
140000 - 159999 (2)
160000 - 179999 (2)
180000 - 199999 (2)
200000 - 219999 (2)
240000 - 259999 (2)
280000 - 299999 (2)
320000+ (2)
+ Show More
High Fire Input (BTU)
100,000 (1)
125,000 (2)
150,000 (2)
175,000 (2)
200,000 (2)
225,000 (2)
250,000 (2)
300,000 (2)
350,000 (2)
400,000 (2)
75,000 (2)
+ Show More
Compare
Reznor RP-225 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 225,000 BTU
Model: RP-225
Reznor RP-225 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 225,000 BTU, 120V, 80% efficiency, 1840-3315 CFM
33% Buy This
(1)
$3,909.68
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-300 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 300,000 BTU
Model: X-300
Reznor X-300 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 300,000 BTU, 120V, single-stage gas valve, 80% efficiency, 2455-4420 CFM
33% Buy This
(1)
$3,396.75
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-400 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 400,000 BTU
Model: X-400
Reznor X-400 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 400,000 BTU, 120V, single-stage gas valve, 80% efficiency, 3275-5895 CFM
33% Buy This
(1)
$4,026.67
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-75 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 75,000 BTU
Model: X-75
Reznor X-75 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 75,000 BTU, 120V, single-stage gas valve, 80% efficiency, 610-1105 CFM
(1)
$2,142.52
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-75 Gas Fired Duct Furnace - Gravity Vented - NG - 409 Stainless Steel Heat Exchanger - 75,000 BTU
Model: X-75-AC2
Reznor X-75 Gas Fired Duct Furnace, Gravity Vented, NG, 409 Stainless Steel Heat Exchanger - 75,000 BTU, 120V, single-stage gas valve, 80% efficiency, 610-1105 CFM
(1)
$2,486.96
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-175 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 175,000 BTU
Model: X-175
Reznor X-175 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 175,000 BTU, 120V, single-stage gas valve, 80% efficiency, 1430-2580 CFM
(1)
$2,548.74
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-350 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 350,000 BTU
Model: X-350
Reznor X-350 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 350,000 BTU, 120V, single-stage gas valve, 80% efficiency, 2865-5160 CFM
(1)
$3,742.12
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-175 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 175,000 BTU
Model: RP-175
Reznor RP-175 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 175,000 BTU, 120V, 80% efficiency, 1430-2580 CFM
(1)
$3,576.46
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-300 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 300,000 BTU
Model: RP-300
Reznor RP-300 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 300,000 BTU, 120V, 80% efficiency, 2455-4420 CFM
(1)
$4,402.95
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-350 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 350,000 BTU
Model: RP-350
Reznor RP-350 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 350,000 BTU, 120V, 80% efficiency, 2865-5160 CFM
(1)
$4,729.62
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-100 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 100,000 BTU
Model: X-100
Reznor X-100 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 100,000 BTU, 120V, single-stage gas valve, 80% efficiency, 815-1475 CFM
(1)
$2,155.62
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-125 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 125,000 BTU
Model: X-125
Reznor X-125 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 125,000 BTU, 120V, single-stage gas valve, 80% efficiency, 1020-1840 CFM
(1)
$2,262.32
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-150 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 150,000 BTU
Model: X-150
Reznor X-150 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 150,000 BTU, 120V, single-stage gas valve, 80% efficiency, 1225-2210 CFM
(1)
$2,474.78
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-200 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 200,000 BTU
Model: X-200
Reznor X-200 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 200,000 BTU, 120V, single-stage gas valve, 80% efficiency, 1635-2945 CFM
(1)
$2,805.21
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-225 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 225,000 BTU
Model: X-225
Reznor X-225 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 225,000 BTU, 120V, single-stage gas valve, 80% efficiency, 1840-3315 CFM
(1)
$2,898.80
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor X-250 Gas Fired Duct Furnace - Gravity Vented - NG - Aluminized Heat Exchanger - 250,000 BTU
Model: X-250
Reznor X-250 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 250,000 BTU, 120V, single-stage gas valve, 80% efficiency, 2045-3685 CFM
(1)
$3,214.23
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-125 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 125,000 BTU
Model: RP-125
Reznor RP-125 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 125,000 BTU, 120V, 80% efficiency, 1020-1840 CFM
(1)
$3,216.09
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-150 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 150,000 BTU
Model: RP-150
Reznor RP-150 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 150,000 BTU, 120V, 80% efficiency, 1225-2210 CFM
(1)
$3,380.83
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-200 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 200,000 BTU
Model: RP-200
Reznor RP-200 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 200,000 BTU, 120V, 80% efficiency, 1635-2945 CFM
(1)
$3,630.75
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-250 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 250,000 BTU
Model: RP-250
Reznor RP-250 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 250,000 BTU, 120V, 80% efficiency, 2045-3685 CFM
(1)
$4,189.54
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
Compare
Reznor RP-400 Gas Fired Duct Furnace - Power Vented - NG - Aluminized Heat Exchanger - 400,000 BTU
Model: RP-400
Reznor RP-400 Gas Fired Duct Furnace, Power Vented, NG, Aluminized Heat Exchanger - 400,000 BTU, 120V, 80% efficiency, 3275-5895 CFM
(1)
$5,265.01
Factory-Direct
Free Shipping & Lift Gate
×
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 may apply, see our full shipping policy for more details.
2% Check Discount
×
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
PREVIOUS
PREV
1
NEXT
Displaying Products 1 - 21 (of 21
)
Hide
Compare
Clear All