Horizontal Flow Gas Furnaces

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Heating BTU

30000 - 39999 (1)

40000 - 49999 (17)

60000 - 69999 (35)

80000 - 89999 (50)

100000 - 109999 (23)

120000 - 129999 (8)

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.

80 - 81 (77)

92 - 93 (8)

96 - 97 (49)

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 (77)

Direct Vent (57)

Configuration

Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.

Downflow/Horizontal (34)

Upflow/Horizontal (100)

Modulating/Staging

Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.

Modulating (5)

Single Stage (63)

Two Stage (66)

Product Line

GC9C80 (6)

GC9C96 (4)

GC9S80 (9)

GC9S96 (5)

GCEC96 (1)

GCES80 (1)

GCVC80 (4)

GCVC96 (4)

GM9C80 (19)

GM9C96 (9)

GM9S80 (24)

GM9S92 (8)

GM9S96 (10)

GMEC96 (1)

GMES96 (1)

GMES96-U (1)

GMVC80 (12)

GMVC96 (6)

GMVM97 (5)

GMVS80 (2)

GMVS96 (2)

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Product Height (Inches)

33 (77)

34 (57)

Product Width (Inches)

14 (22)

17 (52)

21 (50)

24 (10)

Price

900 - 1199 (23)

1200 - 1499 (32)

1500 - 1799 (22)

1800 - 2099 (23)

2100 - 2399 (17)

2400 - 2699 (6)

2700 - 2999 (5)

3000 - 3299 (4)

3300 - 3599 (1)

3600+ (1)

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Blower Motor Speed

ECM Multi-Speed (99)

ECM Variable-Speed (35)

Low NOx Emissions

NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Low NOx appliances emit less than 40 ng/J (nanogram per Joule) of NOx.

No (32)

Yes (102)

Ultra Low NOx Emissions

NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.

No (121)

Yes (13)

Product Depth (Inches)

28 (133)

29 (1)

Maximum Air Flow (CFM)

1200 (58)

1400 (1)

1600 (30)

1760 (2)

2000 (42)

2200 (1)

High Fire Input (BTU)

100000 (23)

120000 (8)

30000 (1)

40000 (17)

60000 (35)

80000 (50)

Compare

Goodman 80% AFUE 80,000 BTU 2 Stage Upflow Variable Speed Gas Furnace