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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 279 reviewers.
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
Rated 5 out of 5 by Great product! We especially love the energy savings and the wifi capabilities of the thermostat. December 27, 2012
Rated 5 out of 5 by super quiet Here in Central Valley California we don't need that much heat. Our old furnace would come on for 5 minutes and sound like a jet engine, and shut off. The installers enlarged some ducts, and installed our new furnace. Because it comes on at less than half capacity, most of the time we don't even hear it running, it just keeps us comfortable. December 27, 2012
Rated 5 out of 5 by Excellent Product Quiet and extremely efficient. Very pleased on all aspects with our purchase of this product. December 27, 2012
Rated 5 out of 5 by Very pleased with the variable speeds this furnace runs at. This product provides a highly efficient variable capacity system that is quiet and energy saving. December 26, 2012
Rated 4 out of 5 by Advertised as High efficient unit The unit is quiet running and does a good job of maintaining the temperature in the living area. While it was just installed this month I can not comment on the savings at this point. So far I have been very satisfied with the unit. The only issue is I feel it is higher priced than competitors comparing simular units. December 25, 2012
Rated 5 out of 5 by quiet great efficiency and excellent features consistant temp from top floor to basement excellent furnace and wifi thermostat easy to use. December 24, 2012
Rated 5 out of 5 by Great furnace I am totally impressed with how quiet this furnace is compared to my last Lennox high efficiency furnace (21 years old). December 24, 2012
Rated 5 out of 5 by This product is so quiet that you cannot hear it . This product is truly impressive in how quiet it is . The product delivers what is said about it by Lennox. My family could not beieve how quiet it is and stll delivers the heat efficiently. I look forward to many years of quiet operation in the delivery of heat to my home. December 24, 2012
Rated 5 out of 5 by This product exactly what it is advertised to do. Have only had this product just over a month and I am extremely satisfied with it it. The even heating and especially the quietness are very nice. I am looking forward trying the new A/C this summer. Five stars as far as I'm concerned. December 24, 2012
Rated 5 out of 5 by this heater is quiet and efficient. I am happy with my purchase; I no longer feel changes in temperature between heat cycles. It is very quiet and I expect my bill to be considerably lower. December 23, 2012
Rated 5 out of 5 by Quiet and efficient!!! The furnace is very quiet. You hardly know it is running. It keeps the temperature very level - where you set it. It does not heat the house and let it cool in a cycle like older, more nornal furnaces. Our natural gas bills are noticeably lower too. Great product and great value for the price. December 22, 2012
Rated 1 out of 5 by 6 service calls in the first 2 years We bought a Lennox SLP98UH series variable capacity gas furnace November 2011. Less than a week later, it stopped working. In only the two half-winters that we have had this furnace (the latter half of 2011 winter and the first half of the 2012 winter) we have had 6 service calls for having no heating. This was the top of the line Lennox model, so it was very expensive. We are freezing and are not very happy. It's not working again today. December 21, 2012
Rated 5 out of 5 by Unbelievably quiet and efficient You need to be standing next to this unit to know it's running. The water heater next to the furnace is twice as loud when it's heating. WIFI connected color thermostat lets you check and control the system from anywhere on a smartphone or tablet. Add to that 98% efficiency made this decision easy. December 21, 2012
Rated 5 out of 5 by Just a GREAT product. I am very satisfied with the new furnace. It produces a smooth and even heat, and not the "hot" heat of my previous furnace. It is so quite, I do not even know it is on and working. December 21, 2012
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