Comfort from the Best of the Best: the Dave Lennox Signature® Heat Pump Collection

The idea of heat pump replacement can feel intimidating, but lucky for you, we have your answer with Dave Lennox Signature® Collection heat pumps. Our legacy is constructed with high standards, standards that have kept us around for more than 100 years. So when you choose to buy a Lennox heat pump, you know you’re getting quality, reliability, and dependability.

Composed of three heat pumps, the Dave Lennox Signature® Collection features our most efficient, quietest, and most comfort-inducing models, ensuring your home is always at its top comfort level. Once you’ve experienced one of our Dave Lennox Signature® Collection heat pumps, you’ll be able to feel the difference and you’ll know you’ve chosen correctly.

Saving money on your energy bill month after month is something we all like, so why not make the switch to Lennox? Patterson & Stirling Inc in Erie is more than ready to answer in questions you have regarding heat pump replacement, so give us a call at 814-833-5558 or use our online scheduler to arrange an appointment to find out more about the brilliance of the Dave Lennox Signature® Collection.

SL18XP1 Heat Pump

When you’re in the market for a new heat pump, one of the critical features you’re likely looking for is energy efficiency. And the SL18XP1 delivers. Not only was this system named a Most Efficient of ENERGY STAR product in 2015, but it also has a SunSource® solar-ready capability that can help you improve your comfort and environmental responsibility while potentially decreasing your utility bills. With SilentComfort™ technology and a SilentComfort™ outdoor fan motor, the SL18XP1 is also the quietest and most efficient single-stage heat pump on the market***.

  • Up to 18.50 SEER* and 10.20 HSPF** for high efficiency that helps you save on energy expenses
  • ENERGY STAR® qualified so you can be certain the SL18XP1 has met energy efficiency requirements
  • SilentComfort™ technology for very quiet operation
  • SunSource® Solar-Ready allows you to add solar modules to provide electricity to lower your energy consumption and utility costs
  • Dual-fuel capability makes it possible to combine with a gas furnace for optimized comfort and energy use
  • 10-Year Limited Warranty on covered components including compressor
SL18XP Heat Pump
Efficiency Rating (SEER): up to 18.5
HSPF Rating: up to 10.2
Sound Rating: 67
Price Guide: $$$

XP25 Heat Pump

Innovation at its finest, the XP25 was selected as one of the Most Efficient ENERGY STAR certified products in 2017. Lennox Precise Comfort® technology means your home comfort will stay consistent all year long and you’ll save money on energy costs. You’ll hardly even know it’s running, thanks to the SilentComfort™ technology that makes it 50 percent quieter than a standard heat pump. The XP25 is top of the class and won’t disappoint.

  • Up to 23.5 SEER*and 10.2 HSPF* bringing maximum efficiency
  • SilentComfort™ Technology brings low sound levels that you’ll hardly hear
  • Precise Comfort technology keeps your temperature within half a degree
  • Variable-capacity innovation makes minor adjustments to provide consistent temperatures
  • SunSource® Solar-Ready for easy transition to solar-power system to reduce energy costs
  • PermaGuard™ Cabinet provides high quality materials that are reliable and durable for extra protection
  • ENERGY STAR® Qualified, exceeds several energy standards and may qualify for state and local utility rebates
  • 10-Year Limited Warranty on covered components including compressor
XP25 Heat Pump
Efficiency Rating (SEER): up to 23.5
HSPF Rating: up to 10.2
Sound Rating: 58
Price Guide: $$$$

XP21 Heat Pump

If you want home comfort you can experience without noisy distractions, look no further than the XP21. With its outstanding efficiency, it’s one of the most reliable two-stage heat pumps available. Need proof? ENERGY STAR designated the XP21 one of the most efficient products of 2017. From temperature to humidity control, this heat pump takes care of your home needs and allows you enjoy your time at home without worry.

  • Up to 19.20 SEER* and 9.7 HSPF* for maximum efficiency
  • SilentComfort™ Technology reduces sound levels for quiet performance
  • SunSource® Solar Ready makes it simple to switch to solar power when you are ready
  • Multi-Stage Scroll Compressor modifies cooling, humidity levels and energy use
  • PermaGuard™ Cabinet offers extra protection against rust and corrosion
  • ENERGY STAR® Qualified, exceeds several energy standards and may qualify for state and local utility rebates
  • 10-Year Limited Warranty on covered components including compressor
XP21 Heat Pump
Efficiency Rating (SEER): up to 19.20 
HSPF Rating: up to 9.7
Sound Rating: 67
Price Guide: $$$

XP17 Heat Pump

When we included the XP17 in the Dave Lennox Signature® Collection we knew we struck gold. Featuring our SilentComfort™ technology, this model has our most efficient single-stage system, making it one of the most popular heat pumps in the market.

  • SilentComfort™ technology, giving you ridiculously quiet operation
  • ENERGY STAR® qualified which means it meets or exceeds EPA guidelines for energy efficiency
  • Up to 17.70 SEER* and 9.50 HSPF**, potentially saving you money year after year
  • SunSource® Solar-Ready to make your solar energy transition easier
  • 10-Year Limited Warranty on your system’s compressor and its covered parts
XP17 Heat Pump
Efficiency Rating (SEER): up to 17.7
HSPF Rating: up to 9.5
Sound Rating: 63
Price Guide: $$$

We understand that heat pump replacement may not be the most interesting thing, but we can make deciding on a replacement easier. Give Patterson & Stirling Inc in Erie a call at 814-833-5558 or set up an appointment through our online scheduler and we’ll work with you find the best Dave Lennox Signature® Collection heat pump for your home and your budget.


* SEER, or Seasonal Energy Efficiency Ratio, measures the cooling efficiency of your air conditioner and heat pump. A higher SEER rating means greater energy efficiency and more savings for you and the environment.

** HSPF, or Heating Seasonal Performance Factor, measures the heating efficiency of your heat pump. A higher HSPF rating means greater energy efficiency, more savings and is better for the environment.

*** The quietest and most efficient single-stage heat pump you can buy. Air conditioners/heat pumps have sound ratings established per AHRI’s test standard: AHRI 270-08 (August 2014). The SL18XP1 has the lowest sound rating of any single-stage heat pump of any major U.S. brand of heat pump equipment. Efficiency claim based on comparison of single-stage heat pump products’ SEER as published in AHRI in June 2015. The SL18XP1 has a maximum rated efficiency of 18.50 SEER.