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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 Love the iComfort Very pleased with our new furnace. It's so quiet and efficient. We've actually had to turn our heat down as our new Lennox works much better then our old furnace! April 10, 2013
Rated 5 out of 5 by energy savings and quiet This furnce is so quiet that you forget is even on. the programabe thuusstat is great . April 9, 2013
Rated 5 out of 5 by We couldn't be happier with our new furnace. Our new furnace keeps all our rooms at a consistent temperature. It' s also extremely quit, even while running at 100 percent. We couldn't be happier with our new system. April 9, 2013
Rated 5 out of 5 by SLP-98 The SLP-98 is most definitely the cadillac of Gas Forced Air furnaces. It operates very quietly and provides even heating. Our home has never been more comfortable. With the continuous Circulating Fan mode at a low 450CFM setting, you cannot hear it and the convection keeps the home warm all of the time. With the CVS make-up fresh air coming in, we have not had to open our windows as much either. I highly recommend the MERV-16 air filter to keep the particulate level under control. We are looking forward to lower heating bills, due to the efficiency that the modulating gas valve and the variable speed blower motor are providing to us. I highly recommend this Lennox system. April 3, 2013
Rated 5 out of 5 by You don't even know it is working This is an extremely quiet furnace, and the comfort of having zero temperature swings is a great benefit. When you combine that with the substantial savings in our gas bill, you can't go wrong. April 2, 2013
Rated 5 out of 5 by Impressed with low wattage needed to run this furnace. Pleased with this variable gas heat and variable fan furnace. Low enough wattage to run this furnace that a 12-volt full sine-wave inverter can be used rather than a generator in an AC power out emergency. Stage Delay adjustments cut down on cycling and runs at 35% or higher heat for longer periods rather than stepping up to 70 or 100% heat as quickly. March 31, 2013
Rated 5 out of 5 by Awesome Solution! We have a 2-story with a finished basement and replaced our original Lennox system with SPL98V. The variable speed, variable-capacity gas has made a huge difference in our home. The "cold rooms" are no longer cold and the temperature is more evenly disbursed and constantly maintained. It is so quiet that I hardly know it is running! Coupled with the air filtration cartridge and whole-house humidifier, we are feeling a positive difference in our sinuses due to a better humidity level--and a lot less dust! We haven't seen the first bill since we had it installed, but I am confident that we will see a savings! I recommend this furnace to anyone that has multiple levels to heat--it is a more cost-effective solution to zoned heating. March 26, 2013
Rated 5 out of 5 by Quiet and Efficient This unit is very quiet and efficient. The best we ever owned. March 26, 2013
Rated 5 out of 5 by This is the best and quietest furnace we have had I love my new furnace. It certainly is the quietest furnace we have had. Since being installed it has kept us quite comfortable. March 23, 2013
Rated 5 out of 5 by We are pleased with the preformance It keeps us warm and comfortable and we would recommend this to our friends March 20, 2013
Rated 5 out of 5 by Quietest furnace we have ever had This is the quietest furnace we have ever owned. The DC power fan that can operate in continuous mode can hardly be heard standing next to unit. Heat is more evenly distributed through out the house. First month gas bills less than same period last year. We even notice a more even heat in all areas when using fireplace due to continuous fan setting. Anxious to see just how well 2 stage XC21 AC unit functions this summer. March 19, 2013
Rated 5 out of 5 by Very quiet and no fluctuations in heat, maintains a consistant temperature This furnace has been installed now for about one month and we love it. It is very quiet and there are no fluctuations in heat...it maintains a consistant temperature. The I-comfort wi-fi thermostat was installed at the same time which is also state of the art and flawless. March 14, 2013
Rated 4 out of 5 by does as advertised Furnace runs great,super quiet and does excellent job maintaining constant home temperature. March 14, 2013
Rated 5 out of 5 by Great control setup! Gives improved air flow and temp change anticipation. March 14, 2013
Rated 5 out of 5 by We've already seen savings on our gas bill The new furnace has lived up to the hype, It's quiet, sensitive to conditions, and economical. We've already seen saving on the first month's gas bill. We added a humidifier and have been able to get rid of the bothersome room unit we used to rely on. We're friends for life! March 13, 2013
Rated 5 out of 5 by Quiet, efficient, and worth the money! I don't know why I waited so long to replace my 40year old furnace. I'm so use to hearing when the furnace is running...The 1st couple of days I had to go downstairs to check that it was working.(I have my work bench in the same room and now I don't need to turn the radio up to hear it over the furnace. My wife likes the fact that we don't get the temperature swings! It does a great job of maintaining a constant temp throughout the entire house! Most of all I'm looking to forward to the cost savings on my Gas Bill!! My only regret is not getting it installed sooner! March 13, 2013
Rated 4 out of 5 by Only had it for a month , so far so good the furnace runs very quiet and meets your needs so far. have not had to use the air conditioner yet. March 13, 2013
Rated 5 out of 5 by Would highly recommend This furnace is so quiet I no longer have to turn up the volume on the TV when it is running. We live in a small house and we no longer know when it is running. March 12, 2013
Rated 5 out of 5 by replacement of high efficient furnace After 26 years with the lennox pulse furnace and its efficient run this product was the best choice. March 12, 2013
Rated 5 out of 5 by What a great product, so silent you hardly know it's running I have to say after 20 years with the old furnace, it was amazing how you get used to things. The old furnace you could hear it start up, and go thru its cycles with each noise and blowing of the air throughout the home. With the new Lennox furnace, you can hardly even hear it running. The first day it was installed I had to go over to a register just to see if the system was running it is so quite. Gone are the cold areas and zones in the house, the noise when the old system started up. I would have never thought a new furnace would provide a better quality of life but it has. March 11, 2013
Rated 5 out of 5 by Nice & Quite Great unit. So silent you don't know its on. Can't wait to get my first heating bill to see how much I am saving. The wi-fi thermostat is a must have and works well with the furnace. March 11, 2013
Rated 5 out of 5 by This furnace along with the pure air filter are all, and more than we were expecting Whereas my old furnace would take at least 1 hour for every 1 degree increase in temperature, this furnace will do at least 5 degrees in 1 hour. We are extremely pleased when we wake up in the morning and the house is at a comfortable temperature unlike our old furnace).We love the I comfort system and the humidity setting. The pure air filter has really made a difference in the amount of dust floating around the house. For the last several years I had been thinking about upgrading the furnace. I should have done this back then. I'm really going to save money. March 11, 2013
Rated 5 out of 5 by Quiet, even constant temperature Upgraded from a 20 year old pulse, which I was happy with, but this one is even better. When it is running at low speed you will not know it is running without holding your hand over the vent. There is always an even constant heat which does not fluctuate. March 11, 2013
Rated 5 out of 5 by Great furnace Since installed this furnace amazed me as to how quiet it operates and does a perfect job of heating our home. March 6, 2013
Rated 3 out of 5 by Noise Noise inside the home is minimal, however the noise outside from the vent is horrible, as well as the amount of steam. March 6, 2013
Rated 5 out of 5 by Very quiet I had a Lennox 19 years (still works), but thought it was time to replace it. This model is so quiet. You wont even know it's on. My daughter likes thecontroller also. I have just resently had this unit installed so I don't know how much I'll save on my gas bill. March 5, 2013
Rated 5 out of 5 by It looks quality built. It's quiet, well built and producing a nice even heat throughout our house. March 5, 2013
Rated 5 out of 5 by Quiet and well worth the money This unit is very quiet we don't even know it is on most of the time. Our kids even told us they like how quiet it is when they are in the basement. I love the even warmth in our home now, no more walking from a warm room into a colder one. March 5, 2013
Rated 5 out of 5 by This product will keep my home safe and reduce gas costs This top of the line product will keep my home safe and should produce energy cost savings into the future. I am looking forward to reduced gas consumption in the years to come. March 3, 2013
Rated 5 out of 5 by great product compact,pureair,varyable speed motor. This unit is very quiet,compact and efficient. March 2, 2013
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