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To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
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AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
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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.
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Williams (79)
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Williams - 31,400 BTU - Electric Wall Furnace - Single-Sided - 9.2 kW
Model: 3144030
10% Buy This
(24)
Q&A
(1)
On Sale Ends 01/31
$845.50
Was
$890.00
SAVE $44.50
In-Stock
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.
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Williams Direct-Vent - 30,000 BTU - Gas Direct-Vent Wall Furnace - LP - 66% AFUE - Up To 2,000 Ft Altitude
Model: 3003821
Williams - 3003821 - 30,000 BTU - Gas-Fired - Liquid Propane - Single Stage
5% Buy This
(14)
Q&A
(2)
On Sale Ends 01/31
$949.05
Was
$999.00
SAVE $49.95
In-Stock
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.
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Williams Direct-Vent - 30K BTU - Gas Direct-Vent Wall Furnace - NG - 66% AFUE - Up To 2,000 Ft Altitude
Model: 3003822
Williams - 3003822 - 30,000 BTU - Gas-Fired - Natural Gas - Single Stage
4% Buy This
(16)
Q&A
(2)
On Sale Ends 01/31
$949.05
Was
$999.00
SAVE $49.95
In-Stock
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.
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Williams Monterey PLUS - 50K BTU - Gas Top-Vent Wall Furnace - NG - 70% AFUE - Double-Sided
Model: 5009822
Williams - 5009822 - 50,000 BTU - Chimney-Vent Wall Furnace - Natural Gas - 70% AFUE - Single Stage
3% Buy This
(19)
Ask a Question
On Sale Ends 01/31
$892.05
Was
$939.00
SAVE $46.95
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.
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Williams - 35K BTU - Fireplace-Look Propane Room Heater - 68% AFUE - With Blower
Model: 3502921A
3% Buy This
(16)
Ask a Question
On Sale Ends 01/31
$1,026.95
Was
$1,081.00
SAVE $54.05
Only 4 In-Stock
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.
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Williams Monterey - 50,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Double Sided
Model: 5009622A
3% Buy This
(5)
Ask a Question
On Sale Ends 01/31
$883.50
Was
$930.00
SAVE $46.50
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.
Add To Cart
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Williams Monterey PLUS - 35K BTU - Gas Top-Vent Wall Furnace - NG - 69% AFUE - Single-Sided
Model: 3509822
Williams - 3509822 - 35,000 BTU - Chimney-Vent Wall Furnace - Natural Gas - 69% AFUE - Single Stage
3% Buy This
(22)
Ask a Question
On Sale Ends 01/31
$711.55
Was
$749.00
SAVE $37.45
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.
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Williams - 35k - BTU Natural Gas Room Heater - 68% AFUE
Model: 3501522A
3% Buy This
(20)
Ask a Question
On Sale Ends 01/31
$835.05
Was
$879.00
SAVE $43.95
Backordered
Est. Ship Date Dec 30
Free Shipping & Lift Gate
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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.
Backorder
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Williams Direct-Vent - 14K BTU - Gas Direct-Vent Wall Furnace - NG - 65% AFUE - Up To 2,000 Ft Altitude
Model: 1403822
Williams - 1403822 - 14,000 BTU - Gas-Fired - Natural Gas - Single Stage
3% Buy This
(12)
Q&A
(1)
On Sale Ends 01/31
$759.05
Was
$799.00
SAVE $39.95
Only 1 In-Stock
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.
Add To Cart
Compare
Williams Monterey PLUS - 35K BTU - Gas Top-Vent Wall Furnace - LP - 69% AFUE - Single-Sided
Model: 3509821
Williams - 3509821 - 35,000 BTU - Chimney-Vent Wall Furnace - Liquid Propane - 69% AFUE - Single Stage
2% Buy This
(22)
Ask a Question
On Sale Ends 01/31
$711.55
Was
$749.00
SAVE $37.45
In-Stock
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.
Add To Cart
Compare
Williams - 35K BTU - Fireplace-Look Gas Room Heater - 68% AFUE
Model: 3502522A
2% Buy This
(23)
Q&A
(1)
On Sale Ends 01/31
$882.55
Was
$929.00
SAVE $46.45
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.
Add To Cart
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Williams - 20K BTU - Compact Gas Room Heater - 71% AFUE
Model: 2001622A
2% Buy This
(17)
Ask a Question
On Sale Ends 01/31
$711.55
Was
$749.00
SAVE $37.45
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.
Add To Cart
Compare
Williams Direct-Vent - 14K BTU - Gas Direct-Vent Wall Furnace - LP - 65% AFUE - Up To 2,000 Ft Altitude
Model: 1403821
Williams - 1403821 - 14,000 BTU - Gas-Fired - Liquid Propane - Single Stage
2% Buy This
(10)
Q&A
(1)
On Sale Ends 01/31
$759.05
Was
$799.00
SAVE $39.95
In-Stock
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.
Add To Cart
Compare
Williams Magnum High-Efficiency - 60K BTU - Gas Top-Vent Wall Furnace - 76% AFUE - Standing Pilot
Model: 6008832
2% Buy This
(22)
Q&A
(3)
On Sale Ends 01/31
$1,424.05
Was
$1,499.00
SAVE $74.95
In-Stock
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
Williams Direct-Vent - 22K BTU - Gas Direct-Vent Wall Furnace - LP - 67% AFUE - Up To 2,000 Ft Altitude
Model: 2203821
Williams - 2203821 - 22,000 BTU - Gas-Fired - Liquid Propane - Single Stage
2% Buy This
(11)
Q&A
(1)
On Sale Ends 01/31
$930.05
Was
$979.00
SAVE $48.95
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.
Add To Cart
Compare
Williams - 50k BTU - Natural Gas Room Heater - 68% AFUE
Model: 5001522A
1% Buy This
(20)
Ask a Question
On Sale Ends 01/31
$949.05
Was
$999.00
SAVE $49.95
In-Stock
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.
Add To Cart
Compare
Williams - 20k BTU - Propane Room Heater - 71% AFUE
Model: 2001621A
1% Buy This
(16)
Q&A
(2)
On Sale Ends 01/31
$711.55
Was
$749.00
SAVE $37.45
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.
Add To Cart
Compare
Williams - 35K BTU - Propane Room Heater - 68% AFUE
Model: 3501521A
1% Buy This
(16)
Ask a Question
On Sale Ends 01/31
$835.05
Was
$879.00
SAVE $43.95
In-Stock
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.
Add To Cart
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Williams Forsaire - 40K BTU - Gas Direct-Vent Wall Furnace - 76.5% AFUE - Intermittent Pilot
Model: 4007332
1% Buy This
(13)
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On Sale Ends 01/31
$1,452.55
Was
$1,529.00
SAVE $76.45
Only 1 In-Stock
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
Williams Monterey - 25,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Single Sided
Model: 2509622A
1% Buy This
(7)
Ask a Question
On Sale Ends 01/31
$655.50
Was
$690.00
SAVE $34.50
Only 4 In-Stock
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.
Add To Cart
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Williams Monterey - 35,000 BTU - Gas Fired Wall Furnace - NG - 66% AFUE - Single Sided
Model: 3509622A
1% Buy This
(5)
Ask a Question
On Sale Ends 01/31
$692.55
Was
$729.00
SAVE $36.45
Only 1 In-Stock
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.
Add To Cart
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Williams - 65k BTU - Natural Gas Room Heater - 70% AFUE
Model: 6501522A
1% Buy This
(24)
Ask a Question
On Sale Ends 01/31
$1,139.05
Was
$1,199.00
SAVE $59.95
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
Williams Monterey - 35,000 BTU - Gas Fired Wall Furnace - LP - 66% AFUE - Single Sided
Model: 3509621A
1% Buy This
(6)
Ask a Question
On Sale Ends 01/31
$692.55
Was
$729.00
SAVE $36.45
Only 2 In-Stock
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.
Add To Cart
Compare
Williams Monterey - 50,000 BTU - Gas Fired Wall Furnace - LP - 70% AFUE - Double Sided
Model: 5009621A
1% Buy This
(5)
Ask a Question
On Sale Ends 01/31
$883.50
Was
$930.00
SAVE $46.50
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.
Add To Cart
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