At Ayer Oil Co., we believe that a company is only as good as its people, and our people have made us the most trusted and respected full-service HVAC company in Ayer, MA, providing our customers with unsurpassed service each and every workday.

Ayer Oil is a family owned and operated heating oil company that has served the needs of our customers for over three generations. Our highly trained HVAC technicians and HVAC contractors are supported by a large parts inventory department, enabling us to service our customers quickly and affordably when repairs are needed.

We specialize in installing and maintaining heating, air conditioning, and indoor air filtration systems, as well as customer service, leading us to partnerships with superior companies such as Thermo Pride.