AC Repair
Warm air when you need a cool home? Get help with cooling problems, unusual sounds, and systems that won’t stay on.
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Heating & cooling help in Somerville, MA.
From the first cold night to the hottest summer day, feel at home with ThermoSync HVAC Solutions. Practical repair solutions. Clear communication. A real focus on your comfort.
Explore our HVAC servicesHelp doesn’t take a day off.
Local homes. Local comfort.
Every season, one connection.

Life feels better when your home feels right.
ThermoSync HVAC Solutions helps homeowners in Somerville find practical support for heating, cooling, and everyday comfort concerns. From an air conditioner blowing warm air to a furnace that will not keep up, the goal is straightforward: understand the problem and help you take the next step.
Our location is 355 Artisan Way, Somerville, MA 02145, in Assembly Row. HVAC service inquiries are welcome 24 hours a day, seven days a week, because home comfort problems rarely wait for a convenient moment.
Clear communication matters. Tell us what your system is doing, what has changed, and which rooms are affected. We will help you discuss service needs and available options without unnecessary confusion. Whether you are dealing with a sudden breakdown or an ongoing airflow issue, getting in touch should be the easy part.
Learn more about our HVAC repair servicesToo hot. Too cold. Not quite right.
Let’s find your way back to comfortable.
Warm air when you need a cool home? Get help with cooling problems, unusual sounds, and systems that won’t stay on.
Explore ac repairKeep the cold outside where it belongs. Troubleshoot loss of heat, uneven temperatures, and heating that isn’t keeping up.
Explore heating repairA furnace should feel dependable, not unpredictable. Get support for ignition issues, short cycling, and weak heat output.
Explore furnace repairFind the cause, not just the symptom. Get a closer look at operating issues affecting your heating, cooling, and comfort.
Explore system diagnosticsBring your home back into balance. Get assistance with temperature settings, thermostat replacement, and compatible controls.
Explore thermostat servicesEvery room deserves to feel just right. Address weak airflow, hot and cold spots, and uneven comfort throughout your home.
Explore airflow solutionsGive your system regular attention. Routine care helps spot developing concerns and support consistent operation.
Explore hvac maintenanceComfort problems don’t follow business hours. Call 24/7 to discuss an unexpected loss of heating or cooling.
Explore emergency hvac repairOne system, year-round comfort. Get help with heat pump heating, cooling, cycling, and performance problems.
Explore heat pump servicesCool air, from room to room. Troubleshoot central cooling issues, frequent cycling, and inconsistent temperatures.
Explore central air servicesA little information can make an unfamiliar problem feel more manageable. Explore common symptoms, safe first checks, and how we can help.
Tell us what you’re noticing. You don’t need to know the technical terms.
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An air conditioner that runs without cooling can make a warm day uncomfortable very quickly. Warm air at the vents, unexpected noise, water around indoor equipment, or repeated starting and stopping are reasons to arrange a professional check. ThermoSync HVAC Solutions helps homeowners identify what is interrupting cooling and understand practical repair options. Before calling, you can confirm the thermostat is set to cooling and that supply vents are unobstructed. Do not open electrical panels or handle refrigerant. If air barely reaches certain rooms, our airflow troubleshooting services may also be relevant.
When the temperature drops, a heating system that cannot keep up needs attention. Some homes have cold rooms even while the equipment runs; others experience complete loss of heat or frequent on-and-off cycling. We help homeowners in Somerville discuss these symptoms and arrange heating system troubleshooting. Let us know what kind of equipment you have, when the problem started, and whether the thermostat shows an error. Avoid repeatedly resetting a system that shuts itself off. For furnace-specific concerns, see our furnace repair information. Urgent service inquiries are welcome around the clock.
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A furnace may struggle to heat a home because of airflow restrictions, control problems, ignition issues, or other equipment faults. Symptoms can include cool air from vents, a unit that stops before the home warms up, or an unusual operating sound. ThermoSync can help arrange troubleshooting so you can make an informed decision about the next step. Note any display codes without removing equipment covers. Leave gas, electrical, and combustion work to a qualified professional. If you smell gas or a carbon monoxide alarm sounds, leave the building and contact emergency services from a safe location. Explore maintenance support for routine care.

A comfort problem is not always caused by the most obvious component. Thermostat settings, airflow, electrical controls, and mechanical performance can all affect how a home heats and cools. HVAC system diagnostics help narrow down the source rather than relying on guesswork. Describe the sounds, smells, temperatures, or error messages you have noticed and whether the issue is constant or intermittent. A professional assessment can help clarify repair options before you decide how to proceed. If temperatures on the wall control do not match the room, read about our thermostat services as well.
Your thermostat is the connection between the temperature you want and the equipment that delivers it. An unresponsive screen, inaccurate reading, unexpected schedule, or a system that ignores settings can all create comfort problems. ThermoSync helps with thermostat troubleshooting, setup, replacement, and compatible control upgrades. Compatibility depends on your existing heating and cooling equipment, so it should be checked before a new control is selected. You can safely review the current mode and schedule, but leave wiring changes to a professional. Problems that continue after settings are checked may require broader HVAC system diagnostics.
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If one room feels stuffy while another stays cold, the issue may involve air distribution rather than the temperature setting alone. Blocked vents, filter condition, duct-related concerns, and equipment performance can all affect how air moves through a home. We help homeowners discuss weak airflow and uneven temperatures, then arrange appropriate troubleshooting. Keep furniture away from supply and return vents, and follow the equipment manufacturer’s guidance for accessible filter checks. Avoid reaching inside running equipment. For cooling problems throughout the house rather than in one room, see our central air services.

Regular attention gives homeowners a clearer picture of their HVAC equipment’s condition. Maintenance can help identify developing issues with operation, airflow, and accessible system components before they become more disruptive. The appropriate checks depend on your equipment, its condition, and the manufacturer’s recommendations. Tell us about any changes in noise, comfort, or system behavior when arranging a visit. Maintenance does not guarantee that breakdowns will never happen, and an active fault may require separate repair work. If your equipment is already struggling to heat or cool, start with system diagnostics to discuss the current symptoms.

An unexpected loss of heat or cooling can happen at any time, including weekends and overnight. ThermoSync HVAC Solutions accepts urgent HVAC service inquiries 24 hours a day, seven days a week. Call and explain what has stopped working, the type of system, and any warning signs you have noticed. Service timing and the next steps can be discussed by phone; no specific arrival time is promised. A suspected gas leak, smoke, sparking, or a carbon monoxide alarm requires emergency services, not an online service request. For non-emergency issues, you can also request HVAC service online once online submissions are connected.

Heat pumps provide both heating and cooling, so a performance issue may affect comfort in more than one season. A system that cannot reach its set temperature, cycles unusually, or fails to change modes may need professional troubleshooting. Some operating changes can be normal in certain weather conditions, while persistent ice or an ongoing loss of comfort deserves attention. Tell us which mode is affected and whether the indoor and outdoor units appear to operate. Do not chip ice off equipment or open electrical covers. Related thermostat and control checks may help identify the source of the problem.

Central air conditioning relies on connected indoor and outdoor components and an effective air distribution system. If it cools some spaces but not others, runs for unusually long periods, or switches off too often, a professional assessment can help identify the cause. ThermoSync supports homeowners seeking help with central cooling performance, controls, and airflow-related concerns. Make a note of which rooms are affected and when the problem is most noticeable. Avoid lowering the thermostat repeatedly in an attempt to force faster cooling. Our AC repair information covers other common warning signs and safe first checks.
Your comfort doesn’t keep office hours. Neither do our service inquiries.
Help for homes in Somerville and the surrounding communities.
One place to start for year-round residential comfort.
Understand the issue, the options, and what comes next.
Call any time, or use the service request form when connected.
Practical solutions centered on your comfort and convenience.
Cooling stops on a hot afternoon? Heating gives out overnight? We’re available 24/7 for HVAC service inquiries in Somerville.
Based in Somerville, with heating and cooling support for homes throughout the surrounding communities. Select a community to explore it on the map.
These are service coverage areas, not additional office locations. Call to confirm availability for your address.
Have an HVAC problem? Request serviceHVAC repair FAQs for the things homeowners ask most.
ThermoSync HVAC Solutions accepts HVAC service inquiries 24 hours a day, seven days a week for Somerville and nearby communities. Call (339) 463-6497 to discuss your problem and current service availability. Specific arrival times are not guaranteed.
We help with common heating, cooling, furnace, AC, heat pump, thermostat, airflow, and HVAC operating problems. Describe the symptoms when you call so the appropriate troubleshooting can be discussed.
Check that the thermostat is set to cooling and that vents are clear. Follow your equipment’s instructions for any accessible filter check. If the problem continues, turn the system off if it is behaving abnormally and call for professional help. Do not handle refrigerant or open electrical panels.
Thermostat settings, restricted airflow, equipment faults, or other system issues can cause poor performance. Because several problems can look similar, professional troubleshooting is a sensible next step when basic settings and clear vents do not resolve it.
Yes. Uneven temperatures can involve airflow, thermostat placement, duct-related concerns, or system performance. We can help arrange troubleshooting to identify the contributing factors and discuss practical options.
Yes. ThermoSync HVAC Solutions helps homeowners with furnace and heating concerns, including loss of heat, unusual operation, weak heating output, and frequent cycling. Call to discuss your equipment and the symptoms you are experiencing.
Yes. We offer heat pump service inquiries for heating, cooling, control, and performance problems. Let us know the equipment type and whether the issue occurs in heating mode, cooling mode, or both.
Our service area includes Somerville and nearby communities such as Cambridge, Medford, Charlestown, Arlington, Everett, Malden, Boston, Belmont, and Watertown. These are coverage areas, not additional office locations. Call to confirm service availability for your address.
You can fill out the service request form on this page. Online submission is currently being configured, so the form will not send your details yet. For assistance now, call (339) 463-6497. Once the form is connected, it will confirm only a successfully received submission.
Tell us a little about what’s happening. For help now or an urgent heating or cooling concern, give us a call.
YOUR COMFORT CONNECTION(339) 463-6497