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Franklin sits at a higher elevation than much of Norfolk County, which gives it slightly better air movement than towns in lower valleys, but summer heat and humidity still find their way in. The town has grown steadily over the past few decades, and with that growth has come a wide mix of housing ages, from newer subdivisions near Interstate 495 to older homes closer to downtown that were built long before modern HVAC standards.
Pro Comfort Control is a local HVAC company serving Franklin and the surrounding MetroWest and MetroSouth communities. Our certified technicians know what it takes to keep homes in this area comfortable through the summer, and we’re ready to help when your AC stops cooperating.
We repair central air systems, ductless mini-splits, and heat pumps across all makes and models. Our process starts with a full diagnostic to identify the actual cause of the problem, not just the symptom that’s visible on the surface. You’ll know what’s wrong and what it costs to fix it before we touch anything.
Franklin’s newer construction often features higher-efficiency systems with more complex controls and variable-speed components. Our technicians are trained to work on that modern equipment as well as the older systems found in the town’s established neighborhoods. Whether it’s a refrigerant issue, an electrical fault, or a mechanical failure, we diagnose and fix it correctly the first time. We also take note of anything else that looks like it could cause a problem down the road so you’re not caught by surprise next season.
Franklin homeowners should keep an eye out for these signs as the cooling season heats up.
In Franklin’s newer subdivisions, systems that were installed at the time of construction may be reaching the age where components start to fail, making these signs worth paying attention to.
Franklin’s location near the Metacomet Ridge and its network of conservation land means outdoor units deal with a steady supply of organic debris during spring and summer. Pollen, cottonwood, and tree seeds accumulate on condenser coils and restrict airflow, which forces the system to work harder and run hotter than it should. This is one of the most common causes of reduced cooling capacity we find on Franklin service calls.
The town’s growth also means a lot of systems installed 15 to 20 years ago in the subdivision boom are now hitting their reliability threshold. Capacitors degrade, refrigerant lines develop slow leaks, and original ductwork that was installed during construction often has connection joints that loosen over time. Homes near wetland conservation areas along the upper Charles River corridor can also experience elevated indoor humidity that accelerates coil and drain line issues.
We got a call from Tom in Franklin’s Unionville neighborhood during a stretch of hot weather last August. His system was short cycling, kicking on every few minutes and shutting off before the house ever cooled down. He’d replaced the thermostat batteries thinking that might be the issue, but nothing changed.
Our technician found low refrigerant caused by a small leak at the service valve, along with a condenser coil that hadn’t been cleaned in a few years and was restricting airflow substantially. The combination was causing the system to hit high-pressure cutoff and shut down repeatedly. We repaired the leak, cleaned the coil, recharged the system, and checked all electrical components before clearing the call. Tom said the house reached setpoint within an hour after we left, which it hadn’t done in weeks. He signed up for annual maintenance before the technician left the driveway.
Franklin homeowners deserve a company they can count on, especially when the heat hits. Here’s what sets us apart.
We take pride in the work we do and stand behind it. When we leave your home, the job is done right.
Short cycling, when the system kicks on and off frequently without completing a full cooling cycle, is usually caused by low refrigerant, a dirty coil, or an oversized system. It puts significant stress on the compressor and should be addressed promptly.
Yes. A properly functioning air conditioner removes moisture from the air as part of the cooling process. If the system is struggling or undersized, indoor humidity can stay high even when the temperature seems acceptable. This is a common issue in homes near Franklin’s conservation areas.
Signs include warm air from vents, ice on the refrigerant lines, and a system that runs constantly without cooling effectively. Refrigerant doesn’t deplete on its own, so if it’s low there’s a leak that needs to be found and repaired first.
It depends on the sound. A banging or grinding noise typically means something mechanical is failing and you should turn the system off and call us. A light hum or click on startup is usually normal. When in doubt, give us a call.
Changing your air filter every one to three months is the most impactful thing you can do. You can also clear debris from around the outdoor condenser and make sure supply and return vents aren’t blocked by furniture. Everything else is best left to a certified technician.
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