IS YOUR A/C UNIT ON THE FRITZ IN COSBY, TN? TURN TO AN HVAC CONTRACTOR WITH OVER 25 YEARS OF EXPERIENCE Nobody should have to live in an uncomfortable home. If you need an HVAC contractor in Cosby, TN or surrounding areas, look no further. The professionals at OMNI Comfort Heating & Air have been providing area residents with honest and dedicated HVAC services for over two decades. You can call on us for installations, repairs and maintenance.