Mini-Split Ductless Heat Pumps from Keystone Heating & Air Conditioning Co., Inc Help you Manage Warm Summers and Cold Winters in Racine

Whether you need comfort boost in one room, two rooms, three rooms, or even four rooms, Keystone Heating & Air Conditioning Co., Inc in Racine has a mini-split heat pump to meet your needs. Our mini-split heat pumps from Lennox® deliver suberbly efficient and very quiet performance year after year.

Their ductless design erases the possibility of complicated installation problems or expensive modifications down the road. What’s more, their efficient, all-in-one heating and cooling system ensures your home stays comfortable all year long. Explore the models we offer.

MLA Mini-Split Heat Pump

Even at the coldest temperatures, the MLA can add coziness to sunrooms, add-on rooms and other ductless spaces. This mini-split heat pump can create efficient warmth on even the chilliest day, operating in temperatures as low as -22°F. The MLA is easy to set up because it uses a space-saving indoor and outdoor unit linked through a small hole in your wall. With indoor operating noise as faint as a whisper, you might barely notice it’s there. This ENERGY STAR®-certified mini-split heat pump also features:

  • Efficiency ratings up to 24.50 SEER and 11.50 HSPF1—keeping you comfortable while also potentially keeping energy bills low.
  • Advanced inverter technology offers steady comfort and efficiency.
  • Multi-room support—One outdoor unit can power four indoor zones, creating a customizable heating and cooling solution for your whole home.
  • Smart control with a wireless remote or wall-mounted thermostat.
  • Simple, secure installation safeguards against insects, weather and theft, when compared to window units.
  • 7-Year Limited Warranty on compressor.2
  • 5-Year Limited Warranty on remaining covered components.2
  • Additional savings—This heat pump’s energy efficiency may entitle you to additional rebates. Check with Keystone Heating & Air Conditioning Co., Inc for more details.
MLA Mini-Split
Price Guide: $$
Efficiency Rating (SEER): Up to 24.50
Efficiency Rating (HSPF): Up to 11.50

MPB Mini-Split Heat Pump

The MPB is an ideal solution for adding comfort to places without ductwork, like sunrooms or add-on rooms. This mini-split heat pump gives dependable temperature control through digital inverter technology. The technology provides minimal variations in temperature—and possibly more savings on energy costs. Installation is quick and simple, since the MPB’s space-saving outdoor and indoor units are linked through a small hole in the wall. This ENERGY STAR® mini-split system also features:

  • Efficiency ratings up to 24.50 SEER and 11.50 HSPF1—May lower energy expenses while keeping you warm in the winter and cool in the summer.
  • Advanced inverter technology gives precise, quiet comfort.
  • Multi-room support—Allows you to have a full heating and cooling system, as one outdoor unit works with up to five individual indoor zones.
  • Smart control with a wireless remote or wall-mounted thermostat.
  • Simple, secure installation guards against insects, weather and theft, when compared to window units.
  • 7-Year Limited Warranty on compressor.2
  • 5-Year Limited Warranty on remaining covered components.2
  • Additional savings—This heat pump’s energy efficiency may entitle you to additional rebates. Call Keystone Heating & Air Conditioning Co., Inc for more details.
MPB Lennox Mini-Split
Price Guide: $$
Efficiency Rating (SEER): Up to 24.50
Efficiency Rating (HSPF): Up to 11.50

If you want service for your mini-split heat pump or need a new unit, Keystone Heating & Air Conditioning Co., Inc in Racine is ready to serve you. Call us at 262-358-9468 or schedule an appointment with us using our online scheduler.


1 The cooling efficiency rating for heat pumps is Seasonal Energy Efficiency Ratio, or SEER. The heating rating is Heating Seasonal Performance Factor, or HSPF. The higher the SEER and HSPF, the better the energy performance, and the more you save.

2 Covered components including the compressor may be eligible to receive a 12-year limited warranty. Online equipment registration at www.lennoxregistration.com is required within 60 days of installation (except in California and Quebec) or the Lennox® base warranty will apply. Applies to residential applications only. See actual warranty certificate for details.

Note: Due to Lennox’s ongoing commitment to quality, specifications and ratings are subject to change without notice