sl25xpv
Heat Pump
The most precise and efficient heat pump you can buy, now featuring Lennox TruHeat Performance

All Dave Lennox Signature® Collection models come with a 10-Year Limited Warranty on compressor and covered components. For more information, visit www.Lennox.com/WarrantyYourWay.
Cooling Savings
Features
The Ultimate Side of Perfect Air
Not only is the SL25XPV heat pump part of the Dave Lennox Signature® Collection, it’s part of the Ultimate Comfort System™, which combines the best of everything Lennox has to offer to create an unprecedented whole-home comfort system that seamlessly and intelligently works together to stay finely tuned to your home and deliver consistently clean, perfect air.

Consistently Perfect
Precise Comfort® technology adjusts heating and cooling output in precise and minute increments to perfectly match your energy use with your comfort.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil—featuring a proprietary aluminum alloy exclusive to Lennox—is designed to weather the harshest elements.
Beyond Quiet
This heat pump has been engineered with a variable-capacity compressor which allows it to primarily run in low speed—drastically minimizing the sound of air kicking on or off inside the home. Add in a special sound-dampening system to absorb outdoor noise and you can be assured it operates at a noise level that is, quite simply, unheard of.
Smarter Together
With the help of the iComfort® S30 ultra smart thermostat, the SL25XPV heat pump unlocks a world of connectivity. It stays finely tuned to your home by using sensors to react, diagnose, and troubleshoot—all while remaining in constant contact with your dealer to ensure proactive responses. While you’re away, your thermostat can automatically change the temperature of your home to a more energy-efficient setting through Smart Away™ mode to save energy and money. And the system even responds to the outdoor environment to adjust operation to account for factors like pollen and outdoor air quality.
Ratings & Reviews
See what other customers are saying about
SL25XPV Heat Pump
Excellent time to install a cold climate heat pump
March 17, 2025My new Lennox Heat Pump with auxiliary gas furnace was installed 6 weeks ago. The estimating process was smooth and installation took less than one day. The new Lennox unit is much quieter than my previous Trane furnace. I like the variable speed fan that optimizes air circulation throughout the house. The installer suggested keeping the default set point temperatures of above 50° for only heat pump and below 25° for only auxiliary heat with combined heat pump and auxiliary heat between 25° and 50°. However, it seemed like the gas was running too often with those settings (many nights were dropping below 25° here in Colorado), so I have since lowered the set points to 16° and 33° and my gas usage seems to have dropped significantly without much change in my electric usage and the heat pump seems to be doing fine keeping up with the heating demand. I was concerned that the air from the vents would not feel warm, but it actually is quite warm, even when running only the heat pump in normal mode. I like the simplicity of using the App for the S40 thermostat to adjust the settings from my phone. I received a $1,800 rebate from Lennox and expect to receive another $4500 from Xcel energy and a federal tax credit of $2000. Now is definitely the time to install a heat pump and reduce your carbon footprint while saving money.
Resources
Products that add to the performance of SL25XPV Heat Pump
- * Efficiency claim based on comparison of highest Designated Tested Combination SEER of the SL25XPV as compared to the Designated Test Combination SEER of the competitive variable capacity compressor units as published in AHRI (June 2021). Actual system combination efficiency may vary; consult AHRI for exact system efficiencies. Precision claim based on the average cooling capacity range of the SL25XPV as compared to the average cooling capacity range of the competitive variable capacity compressor units based on published competitive data (June 2021). Cooling capacity ranges calculated across 2, 3, 4 and 5 tonnage at maximum and minimum speed at ARI standard rating conditions: 95°F outdoor and 80°/67° indoor (80°F dry bulb and 67°F wet bulb).
Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your contractor for details or visit www.energystar.gov.