Jennings is a family owned and operated business serving the community for over 40 years. Our oil storage facility is located in Danbury and we opened a bulk propane storage facility almost four years ago. We provide both oil and propane delivery and 24-hour emergency service. We service and sell all HVAC equipment. We lease and sell all propane tanks. We offer a propane tank fill station at our propane facility at 10 Allen Drive, Gaylordsville. Several employees live in New Milford!