Dominion Service Company is a full service heating, air-conditioning, ventilation, electrical, refrigeration and indoor air quality contractor servicing businesses and homes in Virginia. Since 1979, Dominion Service Company has serviced families and businesses for all their HVAC service needs. Many of Dominion’s customers have relied on our skilled staff for decades. While Dominion is humbled by kind words, the greatest compliment is the long standing relationships we have built with a large number of customers. Our customers are part of Dominion’s history and growth.