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2013 Gas Furnace Comparison

Manufacturers all make claims about their equipment. In fact, both Carrier and Lennox indicate they have the quietest furnace available as of 2013. When you're doing a furnace comparison, it pays to have a trusted HVAC contractor on your side who can give you unbiased opinions. It pays to do your own research.

Below is a break down of the items we cover in the furnace comparison table below. We don't include every manufacturer, and we're only comparing specs on the top models from the manufacturers we selected.

AFUE: It stands for Annual Fuel Utilization Efficiency and it means the percentage of fossil fuel that is actually converted into heat energy. The closer to 100% the better.

Fan Type: The acronym we use below stands for Variable Speed ECM motor. These motors are more efficient, very quiet, and can operate at 'variable' speeds which also means better comfort. Lower model furnaces have fans that cannot operate at variable speeds which means more noise and less comfort control.

Modulation: Old school furnaces may have just had one flame setting (on or off) but new models are at least two-stage (low and high) if not full modulating which means the flame can be adjusted by tiny increments to avoid energy waste. The range of adjustment is in increments of around 1% (varies by model), in a range typically from 40-100%.

Communicating: Communicating abilities means the furnace can "talk" to the thermostat for optimizing performance based on different criteria. Each manufacturer has their own label on this type of technology. You would need to research further to decipher the fine differences between them.

Additional Control: You'll also notice each manufacturer has some enhanced level of control. For Carrier, it is Greenspeed® which allows enabled equipment to communicate with each other for optimal comfort and energy usage. Ask your heating contractor about the fine details of each. Don't settle for a vague response - make them get the answers!

Auto-Tune: This worked hand in hand with the above point, and it means the furnace can adjust things like the flame and fan speed to provide the best comfort levels.
2013 Gas Furnace Comparison
2013 Gas Furnace Comparison
*Please Note: the following furnace comparison details and specifications were taken directly from the respected manufacturer sites. Any discrepencies are not the responsibility of Find HVAC Dealer. We also are not making any recommendations on the brands shown. We recommend that you use the Consumer Reports article below to see official reliability ratings for the major manufacturers.
Brand
Model
AFUE
Fan Type
Modulation
Communicating
Auto-Tune
Warranty
Carrier
Infinity® 98
98.5%
VS ECM
40%-100%
Greenspeed®
Yes
Lifetime HE / 10-year Parts
Lennox
SLP98V
98.2%
VS ECM
35%-100%
Precise Comfort™
Yes
Lifetime HE / 10-year Parts
Trane
XC95m
97.3%
VS ECM
40%-100%
ComfortLink™
Yes
Lifetime HE / 10-year Parts
Rheem
Prestige
96%
VS ECM
40%-100%
None
Yes
Lifetime HE / 10-year Parts
Bryant
Evolution 98M
98.3%
VS ECM
Unspecified
Evolution®
Yes
Lifetime HE / 10-year Parts
American Standard
Platinum ZV
97.3%
VS ECM
40%-100%
AccuLink™
Yes
Lifetime HE / 10-year Parts
York
Affinity YP9C
98%
VS ECM
Unspecified
ClimaTrak™
Yes
Lifetime HE / 10-year Parts
Goodman
GMVM96
96%
VS
Only 2-stage
None
No
Lifetime HE / 10-year Parts
Consumer Reports
Consumer Reports
Carrier Infinity® 98 Gas Furnace

Carrier Infinity® 59MN7 Gas Furnace

Product Specs

  • 98.5% AFUE
  • VS ECM fan that can be controlled
  • Greenspeed® technology (see right)
  • Carrier claims it is the quietest you can buy
  • Gas modulation movements in 1% increments. This means the furnace has precise control over the flame as opposed to non-modulating furnaces where the flame is either high or low.
  • Modulation can operate between 40% and 100%

Warranty Info

Lifetime HE
10-year parts limited warranty

Notes

Carrier makes some big claims with this furnace such as it is the quietest furnace you can buy. Their Greenspeed technology is simply a way that their equipment and controls communicate to maintain ideal comfort in your home with the least amount of energy possible.

Read more about the Infinity 59MN7.
Lennox® SLP98V Variable-Capacity Gas Furnace

Lennox® SLP98V Variable-Capacity Gas Furnace

Product Specs

  • 98.2% AFUE
  • Highest efficiency rating by Energy Star for 2013
  • VS ECM fan with control (AirFlex™)
  • Precise Comfort™ adjusts fan speed, heat and airflow by 1% increments
  • Lennox claims it is the quietest you can buy
  • Modulation (flame power) can operate between 35% and 100%
  • Zoning capable up to 4-zones

Warranty Info

Lifetime HE
10-year parts limited warranty

Notes

Lennox, similar to Carrier, claims this is the most efficient, and quietest furnace you can purchase. If was the winner of the Energy Star 2013 furnace comparison, but for some reason no Carrier models were included for 2013 by Energy Star. The Lennox Precise Comfort seems very similar to Carrier's Greenspeed® in the product pitch.

Read more on our Lennox SLP98V furnace page.
Trane® XC95m Gas Furnace

Trane® XC95m Gas Furnace

Product Specs

  • 97.3% AFUE
  • VS ECM fan motor
  • Full modulating gas flame (they don't specify increments)
  • Modulation (flame power) can operate between 40% and 100%
  • ComfortLink II is Trane's communication protocol for their equipment so that they all run together optimally.

Warranty Info

Lifetime HE
10-year parts limited warranty

Notes

Communicating technology in a fully modulating furnace for the ultimate comfort and greater efficiency. The advanced ComfortLink™ II allows the XC95m to constantly calibrate itself for optimal performance year after year.
Rheem® Prestige™

Rheem® Prestige™

Product Specs

  • 96% AFUE
  • VS ECM fan motor
  • Gas modulation from 40% - 100%
  • Patented Heat Exchanger Design
  • Comfort Control2 System can alert to problems

Warranty Info

Lifetime HE
10-year parts limited warranty

Notes

The Rheem Prestige doesn't seem to offer any advanced communication capabilities like the other manufacturers. Otherwise, seems to close in other ratings.
2013 Gas Furnace Comparison
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