William was prompt and very detailed. He was also respectful and very polite. During this routine maintenance and tune-up visit, he found out an issue or two that HVAC technicians from other previously used companies had overlooked.
About Levco Oil & Propane
Levco is a family-owned company based in Connecticut, serving homeowners and businesses since 1980. They provide reliable heating, cooling, air quality, fuel oil, and propane services. Customers often mention the quick response from technicians, especially during emergencies like electrical damage caused by leaks. The technicians are thorough, professional, and knowledgeable, explaining the process clearly and working carefully to ensure everything is done right. They handle installations, exchanges, and conversions with attention to detail. Many customers appreciate their friendly service, value, and the ability to get service quickly when needed. Levco also offers seasonal cleaning, budget plans, AutoPay options, and 24/7 emergency support, making them a trusted choice for heating and cooling needs. Their team works hard to keep systems operating like new, providing hot water and preparing homes for seasonal changes.
Reviews
Technician William came on time and did a great job figuring out how to convert a 30 year old Carrier Comfort Zone II thermostat system over to a new digital Honeywell system. It included rewiring a control board to the air handler in addition to swapping out thermostats. I appreciated his attention to detail and getting the job done quickly.
We’ve been very happy with Levco. They have been servicing our furnace and delivering our oil for over 20 years. They are very reliable, responsive, and always takes the time to explain what needs to be done. We highly recommend them!
Photos

Hours
Good to know
- online estimates
- on-site services
- accepts credit cards
Location
55 Merritt Boulevard, Trumbull, CT 06611
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