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LENNOX G71P Furnace


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Overview of the G71P

The Lennox G71P is a (discontinued) variable speed gas furnace made for use in residential settings. It is also known as G71MMP. In 2008, the G71P won the Silver award from the Dealer Design Award Program. It is rated for 95% AFUE and is Energy Star qualified. This furnace may also qualify buyers to a federal tax credit, according to Lennox's product brochure.

Its technology includes a patented steel primary heat exchanger and stainless steel secondary heat exchanger. It is equipped with a variable-capacity gas valve and Lennox's Precise Comfort technology, which the company says controls temperature and airflow in small increments for more efficient use of fuel. The G71P can also be used with an electric heat pump. The Lennox company claims the G71P can save a household up to $1000 on utility costs per year.

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Consumer Reviews of the LENNOX G71P

Popularity:
#8  of 21 Lennox Furnaces
3 of 5 stars 7 reviews

  • Very Satisfied
    3
  • Somewhat Satisfied
    0
  • Neutral
    0
  • Somewhat Unsatisfied
    0
  • Very Unsatisfied
    4

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Date created: 2014-03-21 Name: Mark Merten
Location: brenmark2@frontier.com

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Never again"
This furnace is very unreliable. It is in its last year of warranty maybe one more year. A $500 motor went out this year and now something else is wrong because I have no heat again with an error code 125. My checkbook and my faith in Lennox is also giving an error code. Never again. Top of the line efficiency...I don't think so!


Date created: 2012-12-14 Name: Rosey
Location: Minneapolis, MN

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Lennox G71P failed third time in four years"
Same or similar issue each time. Pressure switch fails. Ironic thing is that we replaced our nearly 20 year old Heil because we feared it would fail during the winter. So, for a 4 year old furnace to fail three times: totally unacceptable. I spent a lot of money and hopefully the hvac company will replace it for free. I'm probably dreaming but isn't it their responsibility to fight with Lennox to get their money back? I have spent enough days/ nights sitting here freezing. I will not ever buy a Lennox again.


Date created: 2012-02-24 Name: bob conklin
Location: new york
Years owned: 2

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"Lennox is junk and the dealer Astar charges for everything."
I paid over $20k for this unit and installation. in the two years i've had it, I have spent $600. in repair and today is it down again. two days with no heat. the first time Astar came in to repair it, the tech broke two light bulbs and said nothing. they left me w/o heat for over a week. they keep pushing for service (what a joke). Astar charges (too much in my opinion)for every repair and evaluation at the rate of $100. per evaluation. they repaired the lennox furnace a month ago and it isn't working again. they're due here this am to once again repair this 20k piece of junk. It's the g71.


Date created: 2011-12-31 Name: Jay Colburn
Location: Calgary Alberta
Years owned: 1

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

Review:
"I will never buy a Lennox again"
4 service calls since purchased 14 months ago. With our previous furnace we had one service call over 30 years.


Date created: 2010-02-08 Name: John
Years owned: 3

Satisfaction Rating:

5 of 5 stars Very Satisfied

Review:
"Best furnace on the market. Hands down!!"
I bought the g71 modulating furnace 3 years ago and I have never been happier. Had a Carrier Weathermaker before. My last furnace had problems every year and was very expensive to fix. And with Carrier having heat exchanger lawsuits against them, I decided to change. The new g71 is so quiet, I can't even here the furnace run. It also gives me much better comfort. More even temperatures through out my 2 storey house. The company in Chatham (Postma) did a great job. It looks very neat. I always do my research on products and know that I bought the best comfort for my family.


Date created: 2009-12-23 Name: F. Krick
Years owned: 1

Satisfaction Rating:

5 of 5 stars Very Satisfied

Review:
"Lennox G71MPP 95% AFUE / XC21 20SEER AC"
I purchased a new Lennox g71mpp 95% afue furnace with variable speed motor along with the xc21 20 seer air conditioner last November, 2008. Overall, I'd easily rate this as one of the best purchases I've ever made. By replacing my old (as in fifty-year-old!)Lennox pulse furnace, and a twenty-year old AC, I'm not only living in a better, more comfortable environment, but am also saving well over $200/month in utilities! Hats off to Lozier Heating & Cooling in West Des Moines, Iowa.


Date created: 2008-09-04 Name: D Taylor
Location: ON, Canada
Years owned: 1

Satisfaction Rating:

5 of 5 stars Very Satisfied

Review:
"Too Bad People Cant Trust Their Installers"
I'm in the middle of a large renovation and am installing a g71 unit in my home. Old unit is Carrier but not overly happy with it. Possibly some of the issues are from not having the best installer. But my biggest rant is all you people who are suckered by bad maintenance companies!!! Then you slag the equipment!!! Doesn't take much time to investigate a problem on the web before someone feeds you a huge line of p__p. Wish everyone paid attention in school. Be a lot less people getting away with emptying your wallet with a ton of bs. These units, are awesome and will work for years if you find someone to service it that can be trusted!!!


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Other G71P Reviews

Posters in online forums have generally positive things to say about this furnace, though some have experienced problems. In this forum thread, several posters say that problems with the G71MPP are often due to improper installation, rather than the furnace itself.

LENNOX G71P Model Numbers

The G71P is available in different models which vary in efficiency and capacity.

Model Number AFUE BTUs per Hour
G71MPP-36C-090 95 88,000
G71MPP-60C-090 95 88,000
G71MPP-60C-110 95 110,000
G71MPP-60D-135 95 132,000
G71MPP-60D-135-* 95 132,000

G71P Warranty

G71P furnaces carry a limited lifetime warranty on heat exchanger parts and a 10 year warranty on all other components.

 
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