Ensure that your home is comfortable with HVAC services and oil sales from Prendergast Oil Company, Inc. in Belmont, MA. Be prepared for a long, cold winter by signing up for heating oil delivery to your home or business. In addition to fuel delivery, we install, maintain, and repair heating systems, furnaces, and boilers. We are also available to help you stay cool in the summer months with installation, maintenance, and repair of air conditioning systems. As a second-generation, family-owned-and-operated business, we pride ourselves on quality and consistent service. Our motto is simple: we aim to not only meet your needs, but surpass them.