Authorized Lennox Dealer offering residential, commercial, and industrial HVAC installation services near Omaha, NE. At Xtreme Heating and Cooling we take pride in offering quality craftsmanship and superior customer service. We feel Lennox manufactures a great heating and cooling system and our work should match their quality. This way we give the customer the comfort they deserve. We know Ductless Mini Splits, Heat Pumps, Whole House Fans, Air Scrubbers, and all Commercial HVAC requirements.