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Availability
Type
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Blower (5)
Electric Wall Furnace (3)
Gas Floor Furnace (3)
Gas Furnace (2)
Gas Wall Furnace (59)
Thermostat (1)
Heating BTU
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7000 - 16999 (10)
17000 - 26999 (11)
27000 - 36999 (25)
37000 - 46999 (16)
47000 - 56999 (23)
57000 - 66999 (18)
67000 - 76999 (6)
77000 - 86999 (6)
87000 - 96999 (6)
97000 - 106999 (2)
107000 - 116999 (2)
117000+ (2)
AFUE (%)
×
AFUE (%)
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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58 - 59 (3)
64 - 65 (3)
66 - 67 (10)
68 - 69 (23)
70 - 71 (27)
72 - 73 (2)
74 - 75 (10)
76 - 77 (21)
78 - 79 (1)
Blower Motor Type
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Available (7)
Multi-Speed (60)
PSC Multi-Speed (17)
Single Speed (14)
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.
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Chimney Vent (74)
Direct Vent (26)
Fuel Type
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Fuel Type
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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Electric (3)
Liquid Propane (49)
Natural Gas (51)
Product Line
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Direct-Vent (11)
Forsaire (36)
High-Efficiency Direct-Vent (4)
M (60)
Monterey (8)
Monterey PLUS (9)
Monterey PLUS+ (5)
Solana (1)
Product Height (Inches)
+
1 - 5 (8)
6 - 11 (66)
18 - 23 (5)
24 - 29 (27)
30 - 35 (22)
60 - 65 (17)
72 - 77 (13)
78 - 83 (9)
84 - 89 (12)
Product Width (Inches)
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1 - 3 (2)
4 - 7 (6)
8 - 11 (6)
12 - 15 (32)
16 - 19 (23)
20 - 23 (4)
24 - 27 (13)
28 - 31 (12)
32 - 35 (39)
40 - 43 (20)
48 - 51 (20)
Product Status
Available (87)
Discontinued (119)
Compare
Williams High-Efficiency Direct-Vent - 7,400 BTU - Gas Fired Furnace - LP - 72% AFUE - Single-Stage - Wall Mounted - Up To 5,500 Ft Altitude
Model: 0743511
(6)
Ask a Question
Offer Ends Tuesday, December 31
2% Check Discount
$1,418.00
$1,347.10
Free Freight
Free Lift Gate
Only 2 In-Stock
View Details
Compare
Williams High-Efficiency Direct-Vent - 17,700 BTU - Gas Fired Furnace - NG - 76% AFUE - Single-Stage - Wall Mounted - Up To 5,500 Ft Altitude
Model: 1773512
(5)
Ask a Question
Offer Ends Tuesday, December 31
2% Check Discount
$2,723.00
$2,586.85
Free Freight
Free Lift Gate
Only 3 In-Stock
View Details
Compare
Williams High-Efficiency Direct-Vent - 7,400 BTU - Gas Fired Furnace - NG - 72% AFUE - Single-Stage - Wall Mounted - Up To 5,500 Ft Altitude
Model: 0743512
(4)
Ask a Question
Offer Ends Tuesday, December 31
2% Check Discount
$1,402.00
$1,331.90
Free Freight
Free Lift Gate
Only 1 In-Stock
View Details
Compare
Williams High Altitude Conversion Kit for 2203821 Series
Model: 8A145
(2)
Ask a Question
$110.00
Free Shipping
Factory-Direct!
View Details
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Williams High Altitude Conversion Kit - For Williams 50k BTU Natural Gas Room Heaters
Model: 9A346
(2)
Ask a Question
$110.00
Free Shipping
Only 5 In-Stock
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Williams High Altitude Conversion Kit for 5508231 Series
Model: 7A318
(1)
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$110.00
Free Shipping
Only 2 In-Stock
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Williams High Altitude Conversion Kit for 6008832 Series
Model: 7A319
(1)
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$110.00
Free Shipping
Only 1 In-Stock
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Williams NG to LP Conversion Kit for 35096A Series
Model: 8914
(1)
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$110.00
Free Shipping
Only 1 In-Stock
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Williams High Altitude Conversion Kit for 5009822 and 5009622A Series
Model: 9A333
(1)
Ask a Question
$110.00
Free Shipping
Factory-Direct!
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Williams High Altitude Conversion Kit for 2509821 and 2509621A Series
Model: 9A334
(1)
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$110.00
Free Shipping
Only 1 In-Stock
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Williams High Altitude Conversion Kit for 5009821 and 5009621A Series
Model: 9A336
(1)
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$110.00
Free Shipping
Factory-Direct!
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Williams High Altitude Conversion Kit for 1403822 Series
Model: 8A141
(1)
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$110.00
Free Shipping
Factory-Direct!
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Williams NG to LP Conversion Kit for 55073 Series
Model: 7730
(1)
Ask a Question
$110.00
Free Shipping
In-Stock
View Details
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Williams High Altitude Conversion Kit for 2001622A Room Heater
Model: 9A337
(1)
Ask a Question
$110.00
Free Shipping
Factory-Direct!
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Williams High Altitude Conversion Kit for 2001621A Room Heater
Model: 9A338
(1)
Ask a Question
$110.00
Free Shipping
Only 1 In-Stock
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Williams High Altitude Conversion Kit - For Williams 35k BTU Natural Gas Room Heaters
Model: 9A344
(1)
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$110.00
Free Shipping
In-Stock
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Williams High Altitude Conversion Kit - For Williams 50k BTU Propane Room Heaters
Model: 9A347
(1)
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$110.00
Free Shipping
Factory-Direct!
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Williams High Altitude Conversion Kit For Williams 6501521A
Model: 9A371
(1)
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$110.00
Free Shipping
Factory-Direct!
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Williams Millivolt Thermostat
Model: P322016
(29)
Ask a Question
$35.00
Free Shipping
In-Stock
View Details
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Williams Direct-Vent - 22K BTU - Gas Direct-Vent Wall Furnace - NG - 67% AFUE - Up To 2,000 Ft Altitude
Model: 2203822
(11)
Q&A
(1)
Offer Ends Tuesday, December 31
2% Check Discount
$1,258.00
$1,195.10
Free Freight
Free Lift Gate
In-Stock
View Details
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Williams Direct-Vent - 14K BTU - Gas Direct-Vent Wall Furnace - LP - 65% AFUE - Up To 2,000 Ft Altitude
Model: 1403821
(11)
Q&A
(1)
Offer Ends Tuesday, December 31
$1,047.00
$994.65
Free Freight
Free Lift Gate
Backordered
Estimated Ship Date January 27on new orders
View Details
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Williams Monterey - 50,000 BTU - Gas Fired Wall Furnace - LP - 70% AFUE - Double Sided
Model: 5009621A
(9)
Ask a Question
Offer Ends Tuesday, December 31
2% Check Discount
$1,278.00
$1,214.10
Free Freight
Free Lift Gate
In-Stock
View Details
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Williams Monterey PLUS+ - Top Vent Blower - 100 CFM
Model: 2901
(5)
Ask a Question
$192.00
Free Shipping
In-Stock
View Details
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Williams High-Efficiency Direct-Vent - 17,700 BTU - Gas Fired Furnace - LP - 76% AFUE - Single-Stage - Wall Mounted - Up To 5,500 Ft Altitude
Model: 1773511
(3)
Ask a Question
Offer Ends Tuesday, December 31
2% Check Discount
$2,723.00
$2,586.85
Free Freight
Free Lift Gate
Only 5 In-Stock
View Details
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