Astar Heating & Air LLC received a senior secured credit facility backing an acquisition of Sila Heating & Air Conditioning. Varagon Capital Partners was administrative agent.

Astar Heating & Air, based in Middletown, N.Y., is a portfolio company of Dubin Clark & Co. Inc. Sila Heating & Air Conditioning is based in King of Prussia, Pa. The combined company will provide HVAC services in the Northeastern U.S., including replacement, service and maintenance, as well as plumbing and water-treatment services.