Looking for a reliable HVAC provider in Southern New Hampshire? Patriot Heating & Cooling is the Greater Manchester area’s year-round HVAC service and home comfort specialist. For your oil heating, gas heating, and air conditioning needs, Patriot Heating & Cooling is here to make sure you and your family are safe and comfortable all year long. Interested in energy services for your business? We are proud to offer commercial HVAC services to businesses in our Southern New Hampshire community.