J.J. Sullivan, a trusted and reliable local company, offers comprehensive heating, cooling, and fuel oil delivery services to the Madison, Clinton, Killingworth, and parts of Guilford communities. With a focus on personalized service and customer satisfaction, J.J. Sullivan provides licensed HVAC services, including equipment installations, fuel tank replacements, and annual efficiency check-ups, ensuring that families stay safe and comfortable throughout the year.
As a family-owned business, J.J. Sullivan is committed to delivering exceptional service and expertise, whether it's recommending and tuning up existing heating systems or providing new air conditioners and heating systems. With their small enough to know you, but large enough to serve all your needs approach, J.J. Sullivan is the go-to choice for reliable and trustworthy heating and cooling solutions.
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