Absolute Comfort has been serving Crystal Lake, IL for over 30 years for all of its HVAC Repar needs. We are the HVAC Contractor of choice for Crystal Lake, Algonquin, Lake in the Hills and Cary and the surrounding areas. Providing expert AC repair, furnace repair, air conditioner repair, air conditioning repair, boiler repair for residential homes. Serving all makes and models including Trane, Carrier and Lennox. Also provides Commercial HVAC repair as well. Call us today!