Changing the face of HVAC More comfort in colder climates. The MRCOOL Universal Heat Pump is a highly efficient heating and air system that offers reliable, accurate and affordable temperature control. Quick Connect precharged lines can be installed in minutes without special tools or training. Watch the installation and performance videos in the videos tab. Modern Climate control for your comfort Up to 20 SEER and 10.5 HSPF High Efficiency NOT Your Typical Heat Pump Heating‡: 100% Capacity at -5°F and 78% Capacity at -22°F* Cooling‡: 100% Capacity at 115°F and 78% Capacity at 130°F* Easy Installation Kink Resistant for Easier Bending During Installation 100% Accurately Precharged R410A Refrigerant standard sizes: 15 ft, 25ft, 35ft, 50ft Optional No-Vac® Couplers can be used to combine two standard line sets to extend the length if needed. Simple to Use, Leak Proof, and Screw-on Quick Connect Valves do not require vacuuming. Quicker Installation than Conventional Line Sets. Strong 3/4" Gator-Flextra™ UV Protective Insulation provides extra protection against sun damage, weather erosion, or destruction from animals or insects. In stock, same-day collection available - otherwise allow 1 to 2 weeks delivery.