Big Dog HVAC
Reliable Comfort, Anytime, Anywhere
Serving South Shore and Boston for over 20 years with personal, expert HVAC and oil burner care. We take the time to understand your situation and work with you toward the best solution — backed by warranties for your complete peace of mind.
Call us at (617) 459-3804
Big Dog HVAC Services
Central Cooling
Expert maintenance and repair for your residential and commercial cooling systems, ensuring peak efficiency and comfort.
Oil Burner Systems
Reliable servicing and installation of high-efficiency oil burner units, providing a warm and dependable heat source.
Heating Solutions
Comprehensive heating maintenance and repair, including furnace and boiler services, delivered with professional care.
Your Peace of Mind, Our Guarantee
Top quality heating and cooling solutions focused on your home and every detail.
Providing two decades of expert, friendly and dedicated HVAC care, ensuring your home stays comfortable and dependable.
Contact us for more information on services and we at Big Dog HVAC can help you today.
"James is truly exceptional. His expertise with our oil burner system was spot-on, and the warranty-backed service gives us complete peace of mind."
Robert M., Hingham
"Reliable service and expert technical knowledge. They fixed our furnace in record time and explained everything with clarity and professionalism."
Elena R., South Shore
South Shore Success
"Professional, caring, and highly reliable. They handled our HVAC installation with precision and a personable touch that you don't often find in the industry."
Sarah L., South Shore
"James is the best HVAC provider we’ve ever hired. His solid warranties and genuine care made us feel comfortable and confident in our home's heating system."
David T., Duxbury
"When our system broke, leaving my elderly mother and me in the cold, James was a lifesaver. He truly cared about our well-being and arrived to help us right away."
Ana Marie H., Quincy
"Big Dog HVAC is the gold standard in South Shore. James' technical precision and caring service is truly unmatched in the industry."