MRCOOL 4 to 5 Ton 18 SEER Variable Speed Universal Central Heat Pump Up flow/Horizontal Split System will give you everything you could ever want from an indoor comfort system， from precise control to exquisite heating and cooling performance. It'll cool at 100% capacity in temperatures as high as 110° and heat at 80% capacity at 4， continuing to heat in temperatures as low as -22°. The Universal uses a DC inverter compressor， which gives it the ability to save you money while deftly adjusting to whatever temperature you need it to be. This unit can be installed almost painlessly because of its pre-charged No-Vac Quick Connect line set that essentially plugs into the system making it the perfect DIY split system. MRCOOL Universal condenser is compact and quiet， with a noise level of 62 dB(a)， which is 11 dB(a) less than the average condenser. The Universal makes life easier for you by being compatible with any third party thermostat including nest， but you could see optimal results if your system is paired with the Universal Thermostat. With MRCOOL 4 to 5 ton Universal， which boasts 18 SEER， exhibits the best and most revolutionary heating and cooling capabilities on the market.

Rapid cooling and heating

Ultra-wide operating temperature range

Gas furnace not required

Compatible with any third party air handler and thermostat including Wi-Fi/nest