Maine Monitor & Heating Company serves the Southern Maine area. Owner Mark Reardon is recommended by other companies and area homeowners because of the great reputation he has built over the last couple of decades. We do service, sales, and installations for most types of residential and commercial heating systems. Owner Mark Reardon is well known for his experience with monitor systems but also has extensive history with oil fired systems as well. We are competitvely priced and offer prompt, reliable service. We are proud to have the following certifications and affiliations - Fully Insured. We accept the following forms of payment: VISA, MasterCard.