Welcome to J.J. Sullivan!
We are proud to invite you to join our family of satisfied customers. As a leading provider of heating oil, propane, and HVAC services in New Haven County and along the Connecticut shoreline, we are dedicated to delivering dependable fuel, expert service, and reliable comfort solutions for your home or business. When you choose J.J. Sullivan, you can rest assured that your comfort is in the hands of trusted professionals who care about your satisfaction.
Getting started is simple. Just complete the form on this page. A member of our friendly team will contact you promptly to review your needs and explain how we can best serve you.
We look forward to providing the comfort, reliability, and peace of mind you deserve.
Need to talk? Fill out the form below, and a representative will contact you shortly.