O'Hair's Heating & Cooling, L.L.C., in Greencastle, IN is your locally owned and operated heating and cooling provider servicing all of Putnam County. Since we’re family owned and operated, you can trust us to get the job done right the very first time. Our prices are fair and our employees are friendly. Being NATE certified and EPA approved reassures our customers that we are more than qualified to service and install everything heating and cooling. We’re also bonded and insured.