Whatley Heating and Cooling Construction Cortez is a family-owned and locally-operated HVAC company. For more than 25 years we have been the preferred HVAC contractors for the people in Cortez, CO and the neighboring areas. We bring dependable expertise and commitment to excellence at fair and competitive rates. If you aren?t sure whether we?re the technicians you are looking for, look at some of the things we bring to the table!