Find gas-fired furnaces online here

gas furnaces - propane - natural - condensing flue - variable speed - modulating valve

gas furnaces - high efficiency - 80% and 90%+ AFUE

The links on this page will take you directly to gas furnaces online.

Gas-Fired Furnaces Online

Go to CarrierCarrier linkCarrier:Our gas furnaces and other Carrier heating systems offer energy efficient heat for your home, and constant air circulation all year long Contact us today!
Go to YorkYork linkYork:Gas Furnaces | York®
Go to LennoxLennox linkLennox:Looking for a high quality, reliable furnace? Check out our line of oil and gas furnaces that Lennox Residential has to offer.
Go to TraneTrane linkTrane:The majority of modern homes trust their heating to reliable and efficient gas furnaces, giving you comfort when you need it.
Go to RheemRheem linkRheem:Rheem offers the finest gas furnace heating solutions in the business.
Go to GoodmanGoodman linkGoodman:Looking for information on Goodman brand Gas Furnaces? Learn more about Goodman Manufacturing Gas Furnaces and other quality HVAC systems today!
Go to ArcoaireArcoaire linkArcoaire:Arcoaire offers Gas Furnace products. Learn about the features and benefits of the Gas Furnace and find a dealer nearby.
Go to GraingerGrainger linkGrainger:Find a residential gas furnace from Grainger with high energy efficiency ratings, including Energy Star ratings. Choose the gas furnace capacity you need.
Go to AirEaseAirEase linkAirEase:AirEase advanced variable speed & two stage gas furnaces efficiently keep your home comfortable using natural gas.
Go to DaikinDaikin linkDaikin:These residential gas furnaces convert 90 cents of every energy dollar into indoor comfort in your home. View all 90% AFUE gas furnaces now.
Go to ThermoprideThermopride linkThermopride:Spirit Gas Furnaces |
Go to MaytagMaytag linkMaytag:Are you looking into having a new gas furnace installed in your home? Looking into gas heaters? Check out the wide selection of gas furnaces Maytag offers.
Go to PaynePayne linkPayne:Payne offers dependable, affordable and energy efficient gas furnaces with limited 10 years warranty and service. Learn more about our gas furnace line here.
Go to MillerMiller linkMiller:Miller Gas Furnaces |
Go to HeilHeil linkHeil:Heil offers Gas Furnace products. Learn about the features and benefits of the Gas Furnace and find a dealer nearby.

A condensing flue gas furnace actually releases a small amount of water through a secondary heat exchanger.

Gas-Fired Furnaces:
Terms & Online References

Natural / Propane
High Efficiency / Energy Star®
Annual Gas Use / Energy Use
Condensing Flue
AFUE / A.F.U.E. Rating
Primary Heat Exchanger
Secondary Heat Exchanger
Variable Speed Motor
Modulating / Multi-Stage / Gas Valve
Chimney / Flue
Btu/h - MBtu/hr - MMBtu
Hot Surface Ignitor / Spark Ignition / Pilot
Inducer / Blower

The links on this page will take you to gas furnaces online.

The AFUE rating you see on gas furnaces is the percentage that is retained (used) for actual heat and the remainder is released up the flue.

Newer gas furnaces keeps the blower running for a short period, after the indoor temperature is statisfied, to extract the remaining heat in the system.