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SLP98V Variable-Capacity Gas Furnace

Dave Lennox Signature® Collection

SLP98V Variable-Capacity Gas Furnace

The quietest high-efficiency furnace you can buy1!

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Rated 4.8 out of 5 by 293 reviewers.
Rated 5 out of 5 by Awesome! My old furnace had a single speed blower, and the house always had hot and cold spots. With my new Lennox, I leave the fan on all the time as it slows down when heating/cooling isn't needed. The temperature is even, everywhere, all the time, and my basement is livable again! January 6, 2013
Rated 5 out of 5 by Features, Efficiency & Reputation, then quiet I compared features & efficiency of the furnce brands commonly installed in our area and manufacturer product reliability ratings on Consumer Reports. Thankfully, availability was good, and had new furnace working in 3 days. I loved the variable capacity nature of the gas valve and really do appreciate the quietness during lower demand cycles. January 5, 2013
Rated 5 out of 5 by Very quiet! We switched from an electric furnace/ heat pump to this unit. What a wonderful difference! The furnace is so quiet, we usually cannot even tell when it is on. The heat is even and extremely comfortable. We have not gotten a gas bill yet and have never had a gas furnace in the house, so I can't address the efficiency. January 5, 2013
Rated 5 out of 5 by Great product No problems at all, very quiet. Very Efficient, my propane tank % has barely moved in two months! :) I combined this unit with one of their XP17-030 heat pumps, the set up is awesome! January 5, 2013
Rated 5 out of 5 by Very happy with this unit. Big improvement over the old furnace. Looking forward to lower monthly bills. January 4, 2013
Rated 5 out of 5 by runs very quietly An excellent unit. It's so quiet that we never know when it's running. So far, gas bills are very low at about 60% less than we were paying for our old oil furnace. January 4, 2013
Rated 5 out of 5 by quiet and very even heating throughout the 3400 square feet of the home. It is extremely quiet and evenly heats the home. The duct work no longer January 3, 2013
Rated 5 out of 5 by Great. Love it. The furnace is extremely quiet, works very efficiently and heats the house very evenly. It responds to the programming well, so that the house is the warmest whenever we want it. We just love it. January 3, 2013
Rated 5 out of 5 by the best furance ever The furance we can not hear it run at all. I have to but my hand on the regiter to see if it is runing. The temperature in our house is more even. January 2, 2013
Rated 5 out of 5 by Awesome Heater This is way more effecicent than my old one. We got great rebates for the upgrade and it lowered our energy bill too. January 1, 2013
Rated 5 out of 5 by It has great features. The best thing is it is very quiet and gives consistent heat throughout the house. December 31, 2012
Rated 5 out of 5 by Great features! This furnace is extremely quiet and delivers efficient, consistent heat. December 31, 2012
Rated 4 out of 5 by Pricey, but features are excellent Although pricey, the features are great. I feel good that I purchased such a high efficiency model. December 31, 2012
Rated 5 out of 5 by Quiet We love the quietness of the unit and it's efficiency December 31, 2012
Rated 5 out of 5 by Efficient, quiet & great performance After chilly winters with electric heat, I wanted a furnace that would keep the house cozy and warm, plus reduce my heating costs. This furnace does that, and it's so quiet. I couldn't be happier with this unit. December 30, 2012
Rated 5 out of 5 by What a Difference! We knew our 10 year-old contractor-grade furnace was under-featured, inefficient and obsolete, but we didn't expect such a difference! Rather than a full-power, but short and loud blast of hot air followed by a long period while the house slowly cooled until the next blast, our new Lennox 'idles' silently while a gentle breeze of warm air diffuses through each room. We can't tell when it is running other than by the thermostat and even when it is we have to hold our hand over the register to be sure, but it is! I was in the basement after startup and the house was about ten degrees below setpoint so I got to hear the Lennox ramp up ... the burners gradually increased their sound, the fan gradually increased speed and after about half an hour the setpoint was reached. Since then it has been warm and comfortable, but most of all ... quiet! December 29, 2012
Rated 5 out of 5 Excelllent Product For the price, you won't find a better furnace. We can't hear the furnace at all and we are already saving on our bills!! Would recommend this furnace to anyone considering upgrading to the highest effeciency furnace they can get. December 29, 2012
Rated 5 out of 5 by Reduced our heating bills Due to this products high efficiency the installation has made a good dent in our heating bills so far this year which is greatly appreciated. December 29, 2012
Rated 5 out of 5 by Our home is much more comfortable. The temperature is constant within 0.1 degree. We have been able to turn the thermostat down one degree and still feel more comfortable. The furnace so quiet we do not know it is running. The thermostat is very user friendly. December 29, 2012
Rated 5 out of 5 by Really enjoy the 2 zone heating and cooling option This product has performed great so far. Really enjoy the dual zone heating and cooling December 29, 2012
Rated 5 out of 5 by High quality system This is my third lennox furnace I owned in my life and they have all met my expectations for quality. December 29, 2012
Rated 5 out of 5 by temperature control amazing between the variable features in the furnace, ie: burner and blower, and the icontrol thermostat, the temperature control is very good. the unit is also much quieter than my previous unit. December 29, 2012
Rated 5 out of 5 Excellent Furnace The furnace has performed excellently; with the house feeling much more comfortable. We have already seen a reduction in our heating bill. December 28, 2012
Rated 5 out of 5 by Works Great. Very quiet even heating. I really like the fan circulation feature. December 28, 2012
Rated 5 out of 5 by Great Furnace This particular furnace works great! We have had uneven heating in our home with our 30+ year furnace so we decided to go with the variable speed furnace as recommended and it helped alot. We are very happy with this furnace. December 28, 2012
Rated 5 out of 5 by Loved how efficient it runs This furnace is very quiet and seems to make the heat in the house very even. Have not had enough time to determine if there is a lowering of my heat costs. Would recommend it December 28, 2012
Rated 5 out of 5 by Good furnace Very quiet. Hardly here it running. Nice thermostat. Excellent filter. December 28, 2012
Rated 4 out of 5 by Like the small size and quiet operation. The furnace is very quiet. It doesn't take very long to adjust the home temperature when changing the thermostat. We have had some fun changing the programmable thermostat, but the results are very comfortable. December 28, 2012
Rated 5 out of 5 by very quiet This furnace is very quiet when not running full out, and a real space saver. Everything is very positive about it. December 28, 2012
Rated 5 out of 5 by Amazingly quiet Mounted very well on its side in our crawl space. We are already seeing a difference in our bill. December 28, 2012
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