Learn about Downflow / Horizontal
Copyright 2008 Alpine Home Air Products www.AlpineHomeAir.com 9
Here is a chart of popular forced air residential brands,
with warranty and price rankings as of January 2008:
Brand
Highest Furnace
Efficiency Rating
Available (AFUE)
Parts
Warranty
Price
Rank
Heat
Exchanger
Warranty
10 Year Furnace
Replacement
Warranty*
Long-Lasting
Silicon Nitride
Ignitor
Comments
96%
95%
92%
96%
96%
95%
95%
95%
95%
93%
93%
92%
92%
93%
10
10
7
5
5
5
5
5
5
5
5
5
5
5
Yes
No
Yes
No
No
No
No
No
No
No
No
No
No
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
No
No
No
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
Lifetime
••
•••
•••
•••
•••
•••
••
•••
••
•••
••
•
•
••
All other furnaces
with lower efficiencies
are 5-year warranties
10 year furnace war-
ranty available if you
purchase a new air
conditioning system
at the same time
10 year furnace war-
ranty available if you
purchase a new air
conditioning system
at the same time
All furnaces and air
conditioners of all
efficiency ratings
have a 10 year
parts warranty
Lennox
www.lennox.com
Tempstar
www.tempstar.com
Bryant
www.bryant.com
Trane
www.trane.com
Rheem/Ruud
www.rheem.com
Whirlpool
www.whirlpoolhvac.com
Coleman
www.colemanac.com
American
Standard
www.americanstandard.com
Carrier
www.carrier.com
York
www.york.com
Payne
www.payne.com
Armstrong
www.armstrongair.com
Ducane
www.ducane.com
Goodman
www.goodmanmfg.com
* furnace will be replaced if heat exchanger fails in first 10 years
Lifetime