Serving Litchfield, Fairfield, and New Haven Counties in Connecticut along with Putnam, Westchester, and Dutchess Counties in New York, you can trust Leahy’s Fuels for reliable and expert propane, heating oil, and delivery along with natural gas services and installation, service, and repairs for your home’s HVAC and comfort equipment. Our team of professionals is dedicated to ensure that your home stays cozy and comfortable.