Call for our monthly special! Low overhead means low prices! We offer service and installation on all makes and models of furnaces and air conditioners. Same day service! When it's time to replace or repair your heating and air conditioning equipment, call LARSEN Heating and Air Conditioning, based in Salt Lake City. Over the past decade HVAC technology has driven increased efficiencies, air quality and reliability. If your heating and air conditioning system is more than ten years old, it's time for an upgrade. Typically, new, high efficiency equipment can realize pay back in 5 years and the peace of mind that comes with a reliable heating and air conditioning (ac) system make now a great time to consider an upgrade.