Professional HVAC Services in Medford, MA 02155 - JJ Donovan & Sons

Our HVAC installation service is comprehensive, focusing on oil-fired systems that are common in older Medford homes. We handle the full replacement, ensuring proper sizing for your home's layout and your family's needs. Our licensed technicians manage everything from removing your old unit to installing the new system, testing for efficiency, and explaining its operation. We also offer budget plans to help make new system investments more manageable for local homeowners.

We offer 24/7 emergency repair service for Medford and the surrounding areas. When you call, our team dispatches a licensed technician to diagnose and fix the issue promptly. As a local, family-run company, we prioritize getting your heat back on as quickly as possible, especially during our cold New England winters, to protect your home and family from the discomfort and risks of a system failure.

Prevention is key. For frozen pipes, which are a risk in our climate, we recommend and perform regular maintenance to ensure your heating system runs efficiently and keeps vulnerable areas warm. Regarding carbon monoxide, a serious risk with any fuel-based system, our technicians are trained to inspect for leaks, check venting, and ensure your system is burning cleanly during every service visit. Our 24/7 emergency line is also there if you ever have immediate safety concerns.