About Us

Service Area

We are proud to offer service in and around the following communities:

  • Centerburg
  • Danville
  • Fredericktown
  • Gambier
  • Mt Vernon

    Our Qualifications

    We are heating and cooling professionals! We maintain a high level of quality among our staff. All of our installers and technicians are trained on a regular, on-going basis. We are certified by the following industry organizations:

    State of Ohio HVAC License #21057     Bonded & Insured


    Bryant Factory Authorized Dealer

    What makes a Bryant Factory Authorized Dealer stand out is the unparalleled performance the company offers -- true excellence in every aspect of operations, product solutions and technical know-how.

    Look for the Bryant Factory Authorized Dealer emblem which indicates your dealer has met our high standards for superior skills... superior service... superior products... superior comfort... and a superior promise -- in writing -- of 100% satisfaction, guaranteed. This is what our Bryant Factory Authorized Dealer and the dealership emblem stand for.


    NATE Certified

    North American Technician Excellence (NATE) is an independent, third-party organization that develops and promotes excellence in the installation and service of heating, ventilation, air conditioning, and refrigeration equipment by recognizing high-quality industry technicians through voluntary testing and certification. Our technicians have passed the rigorous testing necessary to qualify as NATE Certified Technicians.

    Better Business Bureau

    Cosby Heating & Cooling BBB Business Review The Better Business Bureau (BBB) system in the U.S. extends across the nation; coast-to-coast, and in Hawaii, Alaska, and Puerto Rico. Since the founding of the first BBB in 1912, the BBB system has proven that the majority of marketplace problems can be solved fairly through the use of voluntary self-regulation and consumer education.

    Knox County Chamber of Commerce

    Knox County Chamber of Commerce

    Knox County is a great place to do business. From home-based to retail, commercial and industrial, Knox County’s modern infrastructure, business-friendly local governments, Midwest-valued workforce, convenient access to strategic transportation including rail and air, and a strong, consistent economic climate attract a balanced mix of national attention and entrepreneurs.