Call Richland Air Conditioning for Residential & Commercial Sales, Service & Repairs. We're Service Experts on All Brands - 24 Hr Answering Service. Over 30 Years Experience. Locally Owned & Operated Since 1982 For all your heating and air conditioning needs, don t hesitate to call on the professionals at Richland Air Conditioning Service. Service on all makes and models. Free estimates on new installations and replacements.