Verified record
Unified HVAC Service is a heating and cooling company in Franklin, MA, hired for furnace repair, AC repair and system replacements. In a 2026 review, a customer wrote that they first asked for an estimate to repair damaged ductwork in their crawl space after a rodent issue, and that Unified HVAC Service was able to take care of it the same day. In that review, the customer wrote that Billy explained the furnace and duct repair process in simple terms and showed them clear before-and-after photos. In another 2026 review, a customer wrote that Miguel arrived right at noon for a furnace appointment, quickly diagnosed the heating issue and completed the furnace repair in less than two hours at a very fair price. The same customer wrote that Miguel later came back promptly and replaced an old thermostat at no charge. In a 2026 AC repair review, a customer wrote that Miguel showed them that their gauge readings were off, found that the TXV had failed, ordered the part, came back quickly and replaced it.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Unified HVAC Service. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Unified Hvac Service really sets the standard for great furnace repair and customer care. i have used them for about six years for yearly furnace maintenance and again for an emergency heating service call during a cold winter spell. The response was quick, the repair work was top-notch, and the whole process felt smooth and well organized. billy and the staff were compassionate, professional, and easy to work with. They also took extra time to share helpful information about my water heater, even though it was outside the main furnace service they were handling. That extra support helped me troubleshoot the issue on my own. prompt, reliable, and very professional, with strong knowledge of heating systems and home comfort. miguel was helpful, and the overall service made it clear they truly care about keeping customers safe and warm.
This is my second review for Unified Hvac Service. Billy and Miguel serviced my furnace and heating system, and the whole visit was smooth from start to finish. They were knowledgeable, professional, honest, and easy to talk to. I have a forced hot air heating system in my townhouse, and I was more used to a boiler and radiator setup before, so the dry air and dust were new to me. After checking the system and answering my questions, they recommended adding a whole-home humidification system to help with comfort while the furnace runs. They later came back and installed it, and the work was quick, clean, and well organized. They explained how everything works in simple terms, showed me how to use it, and made sure I understood the settings before they left. Since the installation, I can feel a real difference each time the heat turns on. The air feels more balanced and comfortable, not so dry, and the home feels warmer and better even when the thermostat reading stays the same. The furnace system seems to run more comfortably now, and the indoor air quality feels improved too. The technicians I have dealt with have all been top notch, which is not something you find every day. It really shows strong training, good service habits, and pride in their furnace and heating work. If you need furnace repair, heating maintenance, or indoor comfort upgrades in Franklin, I would absolutely recommend them.
Unified Hvac Service has helped me with several furnace repair and heating system jobs over time. i also recommend them to friends and co-workers, and they have been very happy with the service. Recently, during a warm stretch, i needed help moving an outdoor HVAC unit because of a broken sewer line underground that was affecting access and setup. They responded quickly and, with very little direction, moved the unit safely. More importantly, they secured the furnace and HVAC lines along the outside of the house in a clean, professional way. they really go out of their way to treat your home and property like it is their own, and the overall workmanship and care were excellent.
I was glad to get a furnace cleaning and full system check today by technician Billy. He was very professional, explained my furnace clearly, and made sure I understood how everything was running. He answered my questions in simple terms and gave helpful advice about routine furnace maintenance and keeping the heating system working efficiently. My service visit felt like a 5 out of 5. My Sunday call was returned quickly, and the person I spoke with was patient, courteous, and easy to talk to. The whole process was smooth from scheduling to the completed furnace service. I now feel very comfortable reaching out for furnace repair, heating maintenance, and other HVAC service when needed.
I needed to replace my HVAC system pretty quickly, and Miguel came to my home within 12 hours of my first call. The whole team was on time, professional, and made sure I understood the installation process and felt comfortable with the work being done. They also checked that the new heating and cooling system was set up right for dependable year-round comfort. The price was about $2,500 lower than other quotes I received, which made the decision much easier. It feels like I’m starting a long-term relationship to keep my HVAC equipment maintained and running properly for years to come, not just paying for an install and hoping for the best. They really stand behind their workmanship and service quality.
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3 changes recorded — last scanned Sep 27, 2026.
One customer relationship spans 20 years of service4.7
Next-morning furnace visit; a filter change ended the noise3.7