Adams County was originally part of Arapahoe County, and was divided in 1901. It is primarily plains topography, with great views of the Rocky Mountains. High Efficiency Heating and Air Conditioning assists home and business owners in Aurora, Arvada, Brighton, Commerce City, Federal Heights, and Northglenn with expert air conditioner service, air conditioner repair, and new air conditioner installation with a 100% guarantee. We also take pride in trusted furnace repair, furnace maintenance and new furnace installation. Our team is trained in boiler repair, boiler maintenance and boiler installation, as well as snowmelt systems and indoor air quality solutions. We do all of this to provide you and your family comfort and peace of mind, and we are proud to have earned an A+ BBB rating!