Densmore Oil Company

Densmore Oil Company, located in Mystic CT, is a proud woman-owned business and third-generation HVAC provider with over 70 years of dedicated service. We specialize in heating oil supply, air conditioning, and comprehensive HVAC solutions for homes in Connecticut and Rhode Island. Our commitment to quality and customer satisfaction has established us as a trusted name in the industry. We offer Bioheat fuel delivery, installations, repairs, and maintenance services tailored to ensure your home remains comfortable year-round. Experience the Densmore difference today!

Densmore Oil Company has been a cornerstone of home comfort services in Mystic CT for more than 70 years. As a woman-owned business and third-generation HVAC company, we pride ourselves on our long-standing commitment to quality, integrity, and exceptional service. Under the leadership of Jamie Densmore, granddaughter of the founders, we continue to uphold the core values established by our predecessors while embracing innovative solutions for modern heating and cooling needs. Our expert team specializes in a comprehensive range of services including Bioheat fuel delivery, heating system installations and repairs, air conditioning services, plumbing solutions, and indoor air quality improvements. We are dedicated to providing reliable support with every service call whether you require routine maintenance or urgent repairs. Our customers have come to trust us for timely deliveries of Bioheat fuel as well as our expert knowledge in heating equipment installations from boilers to water