Ayer Oil Company

(978) 772-2031

(978) 448-6711


Ayer Oil proudly delivers home heating oil to Harvard, MA with qualified drivers that make safe and timely deliveries right to your door. You can count on us for servicing indoor air quality equipment, heating systems, and cooling systems in Harvard, MA.

We try to give our customers options which is why we offer payment options, as well as Bioheat as an environmentally-friendly option for your fuel.

Contact us today to learn more or become a customer online! It’s quick, easy, and secure!

Enjoy your heating and cooling service in the Harvard, MA area? Leave us a note on our testimonial page.

Save Green, Save the Environment

See why so many people in Harvard are making the switch to Bioheat. Without having to change or add to your current heating equipment, Bioheat improves your system’s efficiency which saves you money. And, by using renewable resources, Bioheat reduces the amount of emissions generated from burning.