Carrier Infinity Furnace Review
The Infinity 96 gas furnace from Carrier, is billed as one of the most intelligent and highest quality furnaces for consumers who simply want the best furnace for their indoor comfort! The Carrier Infinity 96 Furnace is just one part, the part that handles gas heat, of the full "Infinity System", which is a total solution for heating, cooling and indoor air quality.
Carrier Infinity Furnace
At 96.6 AFUE (just like gas mileage, higher is better) the carrier infinity furnace claims to have one of the highest efficiency ratings available! When you start taking a closer look however, you really need to watch out for what you are getting, and work very closely with your HVAC Contractor, to make sure your specific size and poise is eligible for the $150 energy tax credit.
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Carrier Infinity 96 Specifications
The Carrier 96 Infinity Gas Furnaces come in every size, to fit every home! Your contractor will tell you which is right for your home, since with Infinity units and the multiple stage burners and variable speed blower, the whole system truly needs to be taken into consideration, much more than other systems!
- Up to 96.6% AFUE Efficiency
- 10-year parts limited warranty when properly registered
- Lifetime limited warranty on heat exchanger
- ENERGY STAR - As an ENERGY STAR partner, Carrier Corporation has determined that the Infinity® 96 gas furnace meets the ENERGY STAR guidelines for energy efficiency!
- Infinity Thermostat Control as well as Thermidistat
- Onboard diagnostics with over 70 parameters
- 40,000 - 120,000 BTUH Heating Capacity
- Variable-speed blower motor
- Aluminized Steel Primary Heat Exchanger
- Serpentuff Polypropylene-coated Secondary Heat Exchanger
- Natural Gas or easily convertible to liquid propane
- 4-way multipoise design means one unit for several applications
The Real World Carrier Infinity Furnace Reviews
We have (2) Infinity systems in our own home, and have sold hundreds to others! Plain and simple, if you are going to decide to take the plunge for one of the highest quality systems on the market, don't do it halfway! As we have repeatedly stated here and at on other HVAC Forums, the Carrier Infinity System is designed to be a total solution, not a piecemeal solution.
In other words - choosing only the Infinity furnace, or only the air conditioner, will not allow you to reap the full benefits of the Carrier Infinity System! If you decide to get a free carrier quote, make sure the contractor understands that you want to install at minimum:
- Carrier Infinity Gas Furnace
- Infinity Air Conditioner or Heat Pump
- Infinity Control Thermostat
There are other components to the infinity system, but as long as you have the major equipment in place to begin with, you can add the others later with very little hassle!
Cost of a Carrier Infinity Furnace
The price you pay for a Carrier infinity Furnace is truly going to vary, based on the HVAC Contractor you are working with, their own wholesale pricing levels from Carrier and of course, the variable they will charge you to install the furnace. By itself, wholesale Carrier Infinity Furnaces cost approximately $1100 for a 40k btu furnace, to more than $1800 for a 120k btu infinity gas furnace.
Many people check on eBay for a Carrier furnace, but you need to beware that Carrier has told us directly, they DO NOT warranty any systems bought on the Internet! (They do allow them to continue to be sold though)

(Learn more about Carrier HVAC Equipment)

Do You Own A Carrier Infinity System?
If so, please leave your own reviews below, as well as where you live and what the system cost you (Approx)
Other Places to Learn More about Carrier Infinity Furnaces
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Dane here from Nola.
We have a 80k Infinity furnace & 3-ton Infinity Heat Pump system installed in our home. LOVE it!
Like the author says – if you go for it, go all the way and make sure you get a matched system from a carrier dealer.
For a Carrier Infinity 96 gas furnace, and a direct – vent application, could you tell me, what diameter the PVC vent outlet is & what diameter have the intake air inlet. The owner manual doesn’t specify any dimensions.
@ Veronica –
Its likely going to depend on the size of the furnace you have. Carrier however, only supplies 2 sizes of concentric venting kits for condensing furnaces.
2 or 3 inch.
You should talk to the place you purchased the furnace. They should have access to the exact info you need.
We’re building a new home and the HVAC contractor spec’d CARRIER 58MCB080-116, 80,000 BTU INPUT, 92% AFUE EFFICIENT FURNACES. I asked about upgrading to the variable speed Infinity and he wants $1895 each on top of the current bid. From the wholesale numbers in the article, this seems high. Any comments on this?
Chris –
Sounds a little high to me.
The only real difference should be the different thermostat (Assuming they would put in an Infinity TStat) and possibly 1 hour extra time for a higher skilled technician to come by and make sure it all works correctly.
The price difference on the furnaces themselves are less than half of the upgrade cost diff and everything else is the same. (duct, vent, etc) Are they replacing the outdoor condensers with 2-speed infinity as well? I mean… is there more to it than just the furnace upgrade?
Mark,
Thanks for the quick reply. Yes, they are also asking for an additional $1895 to upgrade each of the AC units to a 2-stage model.
I just sent the salesman an email asking why he spec’d the Base model and his only suggested upgrade is to the ICS system. In your opinion, are there other more middle-of-the-road units like the Performance 93 that would be less?
Wow… so you are saying he wants an additional $3800 (+/-) to go from a 92% model furnace, to the Infinity system for both in and outdoor units?
Have you gotten other quotes from different Carrier dealers yet? This one sounds very high.
Even from a base model – 13seer AC system with the 92% furnace, the maximum difference in cost to a contractor would be less than 2k per system. (That’s less than 2k on top of what you are already paying)
Sounds like they are just doubling their cost… and going from there!
I would suggest getting a few more equipment quotes.
M
Must replace h/a unit for upstair in my home. Have rec. 6 estimates ranging from $5,000 to $10,500.
Carrier 15 seer split hybrid heat pump single 3 stage w/ single speed compressor..$5,897.81
Trane 15 seer split hybrid dual fuel $6,450
Nutone high efficiency hybrid heat pump $$6,494.
All have the same basic 10 yr warranty on equip with 1 year labor.
I will be heating/cooling appx. 1700sq.ft of living space. My current system still gives great service. It is a GE installed in 1976 but has had to be repaired 3 times in past 6 mos. so I believe it is time for a new system. If I select the correct unit I will qualify for the Federal Tax credit.
Can anyone give me advise on which brand is best and if the above prices are too high?