FSi Oil Services

FSi Propane is the Pioneer Valley and Northern Connecticut's most trusted provider of home propane delivery and home comfort services. Our cutting-edge technology and dedication allow us to work faster, smarter, safer and more reliably than other companies. We have an expert team of HVAC pros who can handle any heating and cooling service need. Our licensed plumbers can handle anything from clearing a clogged drain to updating your bathroom and kitchen. We install high-efficiency water heaters and provide a comprehensive range of water treatment services. With FSi by your side, you can rest easy, knowing your home is in the best hands. We're always here for emergency heating and plumbing fixes. Trust FSi Propane to fuel your lifestyle.

For more than 80 years, Mitchell, a third-generation family business, has served Danbury, CT, and towns in Fairfield and Litchfield Counties along with some New York towns, providing reliable heating oil and propane delivery. Other Mitchell services include HVAC and comfort equipment installation, maintenance, and repair services, commercial fuel services, and several gasoline/diesel filling stations and convenience stores.

Valiant Energy Solutions is the one partner you need for the comfort of your home or business. Since 1930, we've served customers in Connecticut's Fairfield, Hartford, Litchfield, Middlesex and New Haven Counties, with local offices in Bantam, Canton, Cheshire and Waterbury. We provide reliable propane and heating oil delivery and heating and air conditioning services, including upgrades, maintenance and duct cleaning. Our electrical team is on hand for EV charging, lighting and generator installations. You can count on our plumbing experts for repairs, water treatment and more. Valiant Energy helps you stay comfortable all year while using less energy with energy audits, which save you money and shrink your carbon footprint.