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Consumer Reviews of Lennox furnaces

#48  of 91 brands of furnaces
38% of customers recommend
3 of 5 stars 426 reviews

  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
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Date created: 2007-11-29 Name: Jim Rodgers

Satisfaction Rating:
1 of 5 stars Very Unsatisfied

Installed a furnace a few months ago, after doing much research and decided the "well insulated" Lennox model we chose would be suitable. HOWEVER, not happy at all with the unit!!! Must have left the "insulation" out because the noise level is totally unacceptable. We have a small split level house and it sounds like a plane starting up even in the upper levels. The horrible loud rushing noise coming from all vents even on the 4th level is very unnerving. The worst part is the deplorable unit goes off and on every 10 minutes or so to remind you it's still running. Sounds like I have a car idling in my rooms. Was told this was government issue. The people who installed it came back and in so many words looked at me like I was hearing things. My previous unit was 50 years old and you never heard a thing. Had someone else in and he made a few adjustments which didn't touch the problem. Way too much heat is coming off the unit and my laundry room is like a sauna. I'm trying to conserve but with this, it's impossible.

Date created: 2007-08-24 Name: bob
Location: ohio
Years owned: 17

Satisfaction Rating:
1 of 5 stars Very Unsatisfied

Numerous problems with this furnace nothing but a money pit. Looking to finally getting a new unit. It will not be another lennox crummy service expensive parts very unreliable. DO NOT BUY A LENNOX
Date created: 2007-04-01 Name: Carl Lenzamata
Location: Independence, MO
Years owned: 25

Satisfaction Rating:
5 of 5 stars Very Satisfied

I have one of the earliest G14 Pulse furnaces in the country. It has been operating perfectly for 25 years on LP gas. Yes, I have numerous CO2 detectors. Unfortunately, I need to replace the A/C and will be going with a two speed that really needs a variable speed furnace blower. So, the Pulse will be replaced with an AFUE 95 furnace, a reduction in AFUE from my Pulse. I am really sorry to see it go. The Lennox Pulse is still more efficient than any furnace I can get today. I only wish an updated model was still made.
Date created: 2007-01-23 Name: Matt
Location: Ohio
Years owned: 10

Satisfaction Rating:
5 of 5 stars Very Satisfied

I bought my home with this unit in it A Lennox pulse. It was installed in 1984. Only thing I have had to do to it was repalce the spark plug. After 23 years can't really complain. I t is very effient starts every year. I know there was problems with the heat exchanger in them. But so far so good
Date created: 2007-01-04 Name: F. Sense
Location: Angier, NC
Years owned: 15

Satisfaction Rating:
1 of 5 stars Very Unsatisfied

This Lennox Pulse high efficiency furnace performed well for a long time, but now is venting carbon monoxide and what smells like combustion products into the airstream inside the home. The Lennox dealer has twice performed the Lennox factory test on the heat exchanger and it passed, but the problem continues. It turns out there is a well known problem of heat exchanger leaks with this furnace and the furnace carries a lifetime warranty, but if it passes their obviously faulty test, you're out of luck. If you have a Lennox, you had better buy a carbon monoxide detector to protect your family from problems with this furnace.
Date created: 2006-12-30 Name: R.Bennett
Location: Edmonton Alberta
Years owned: 6

Satisfaction Rating:
1 of 5 stars Very Unsatisfied

This furnace is carried by our builder so we never questioned the quality. We took possession of our new home in the winter and have had problems with the furnace from the first month and have continued to have problems every year. Our last bill was for service this month and was over $500.00. I would never buy a Lennox (lemon) again. The dealer has known about the problems from the our first winter and is not standing behind his prdoucts. We are extremely dissapointed.
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