Lennox XP19 Heat Pumps | FurnaceCompare®

Lennox XP19 Heat Pump Overview

The Lennox XP19 heat pump is a discontinued two-stage heat pump with a SEER (cooling efficiency) measured at up to 18.6. This model is not currently manufactured, but may still be available through dealers. The XP19 runs at a lower capacity most of the time to reduce noise and energy costs. It has a heating efficiency of up to 9.3 HSPF. This heat pump utilizes R-410A refrigerant, which is ozone-friendly and EPA-approved. The XP19 was a part of the Lennox Signature collection.

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Consumer Reviews of Lennox XP19


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #8 of 17 Lennox Heat Pump
  • 6.67% of customers recommended

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Lennox XP19 Heat Pump Reviews

Showing 11-15 of 15 reviews

"XP19 System Failure"

1.0 rating
Very Unsatisfied

Ft Worth Texas: I too decided that it was time to replace the worn out system in my 20 year home, and purchased two three ton Lennox xp19 systems with matching hardware. After the installation, the contractor has been to my home every month thereafter, and has eventually decided that he doesn't want to support the thing anymore. HOWEVER, reading the instructions guide detailing installation of the unit, and knowing a little about installing and maintaining heat pumps, I found several instances in documentation where the contractor simply did not follow instructions. For example, the XP19 installation guide (document revision 12/09), on page 12 clearly indicates that after brazing lines, nitrogen should be used to flush the lines. This was not done. Worse, the contractor did not evacuate the lines (as detailed on pages 17 and 18) before they charged the unit. Also, throughout the installation guide, there are little notes spread around here-and-there about how "If <this process> is not verified/performed, the compressor will fail in the future." (see page 24). And then add to this that the contractor allowed the lubrication to escape from the condensor unit, too. I saw them do it! And when I asked them if they were going to replace that, they said it was not important. I know the lubricant is important, but I have not been able to find the quote. I think Lennox makes a great product. But I seriously question the competency of the installers. Day loborers (ie illegals) did my installation, so I strongly suspect they were not Lennox certified… Blame the contractor doing the install.

JJ Thompson

Dallas, Texas

"Here we go again! another Lennox lemon"

1.0 rating
Very Unsatisfied

I first complained about the Lennox Heat Pump at this site in May of 2010. Since that time we have had another Lennox Heat Pump installed because the one that we originally complained about blew up when the company that installed the unit came out to repair and install new parts. These parts, as there were many, were ones that Lennox themselves said to replace. After all that, the unit blew up! Insulation went everywhere and I thought for sure I was going to find two dead men when I went outside after hearing an enormous explosion. The men told me that was it and they were contacting Lennox. They were mad as, well you know. So there I am again with no heat. After 6 weeks of no heat and waiting for a new unit, which was covered by Lennox (only because the owner of the company we purchased it from was one of the men that were at the unit when it exploded)? A new heat pump was installed and looks to be the same as the old one, Make or Model number xp19-060-230-05. This one was installed on January 26, 2010. Here we are in January of 2011 and the same problems are happening again. The heat pump shuts off at least 2 to 3 times each morning and often in the evening. I am told that a heat pump will not come on if temperatures are below 40 degrees. Well you tell me why it would be turning off or going into defrosting mode when temperatures outside are in the low 50'S. And how many times a day does this thing need to defrost? We live in So. California, it just does not get that cold. a unit the size of this should be able to handle this type of weather. I have contacted the company that installed the unit again and they will be coming out again tomorrow. I have had them out for this problem once already in May and again in December. This is an ongoing problem which I am concerned will never be solved and I will just keep dishing out money. I have a folder filled with 12 service work orders since buying the first unit! I also put a call in to the Lennox corporate office. I was on hold for 40 minutes; after a long conversation the representative said they would contact the field tech for So. California. a lot of good that will do because they just contact the company that provides the service to us. Talk about a passing the buck. The only bucks I ever see are the ones I keep dishing out to Lennox and Service providers!

C. Johnson

Escondido, CA

"Nothing but trouble with Lennox heat pump"

1.0 rating
Very Unsatisfied

I had my entire heat pump system replaced 4 years with a Lennox xp19, and it has been a disaster. The interior fan breaks down about every 9-12 months. I had it completely replaced one, repaired twice more, and now it is broken again and will probably need to be replaced. It is also a very noisy system. It doesn't heat my house very well, and is much more expensive than my previous system. I found out today that the local company that installed the system stopped carrying Lennox (big surprise) so now I have to see if a repair service that is an hour away will come to my house to fix it. I'm ready to scrap the whole thing and start over.

Jeff Hendrickson

"Lennox XP19 – Satisfied So Far"

5.0 rating
Very Satisfied

Last summer, we replaced a 16 year-old York air conditioner with a Lennox xp19 heat pump. We kept our propane fired Weil-Mclain boiler as supplemental and back up heat and had electric resistance heat installed in the air handler in case the price of propane jumps again. So far, we are very satisfied with the Lennox heat pump. It's too early to run the economics but high temperature in the last 2 days have been in the mid to upper 20s and the heat pump appears to be sufficient to keep up. Propane supplemental heat comes on in the morning when the set back goes off, but isn't generally needed beyond that. We have the air handler set to run in continuous low mode, which seems to keep room temperatures uniform. My wife and I find the house to be more comfortable than last winter but can't put our finger on why. The only change is the heat pump, so it seems to deserve the credit. I have supplemental propane heat locked out if the outdoor temperature is above 30, and am still experimenting with what outdoor temperature to set the heat pump lock out at. Lennox engineering documents indicate that the xp19 has a CoP of 2.9 to 3.0 into the teens, so I'll try to keep it running as long as I can. With a CoP of 3, heating cost should be close to 1/3 of past bills before accounting for supplemental heat. The system's only 6 months old, so time will tell but we're satisfied so far.

Jim Kron

"Nothing but trouble"

1.0 rating
Very Unsatisfied

I have ahd nothing but problems since I bought a Lennox xp19 Heat Pump and Signature series furnace. Initially the furnace would not provide sufficient heat as only 5kW kicked in and even with the heat pump the house was cold. THis took 1 week to fix. The next spring the heat pump was not functioning properly. Now after 4 years the compressor on the heat pump needs to be replaced. THe compressor is under warranty but the labour is not. $500.00 on a 4 year old sytem that cost $13,000.00. I complained to Lennox and did not get a response until one month later, the day after I complained to the Better Business Bureau. Their response, there is nothing we can do.

David S. Lewis

Other XP19 Reviews

Comments posted on gardenweb.com reveal that the Lennox XP 19 is considered a "top of the line" model among heat pumps. A homeowner was considering an older model, and an expert answered that the XP 19 was superior to the other model mentioned. A more recent post on the same website shows one expert recommending the product, and another saying to check around and get more estimates.

A prospective customer asks a question on hvac-talk.com in reference to purchasing the Lennox XP 19 heat pump as part of a total package. The customer has also received a quote for the installation of a Carrier system. Two of the experts respond that the Lennox products would be a superior and more efficient system. Another post on hvac-talk.com involves two HVAC professionals talking about how much they like their XP 19s that they have in their own homes.

Lennox XP19 Model Numbers

The XP19 is available in different models which vary in efficiency and capacity.

Model Number SEER / HSPF BTUs per Hour
XP19-024-230* 18.4 / 9.1 0
XP19-036-230* 18.6 / 9.3 0
XP19-048-230* 17 / 9 0

XP19 Warranty

Lennox provides a limited warranty that covers parts only for five years. The installer will offer

new customers the opportunity to purchase a ten-year extended limited warranty at the time

of installation. New heat pump owners must register their products online or by contacting the dealer to make sure they qualify for warranty benefits.

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