The most common call we get from a town like Holliston is a furnace that has stopped working on a cold morning, or a heating system that has been running but struggling. Older homes, many of them built before central air was standard, make up a significant share of the housing stock here. Boilers, oil-fired systems, and homes without existing ductwork are all part of the regular call list. We handle all of it, from a single repair on an aging furnace to a full system replacement, and we cover the full range of heating and cooling work for homes and commercial properties throughout the area.
Whether the call is about a heat pump that is not keeping up, an AC that short-cycles on a humid afternoon, a thermostat that has lost communication with the air handler, or ductwork that has never properly reached a back addition, we work through it the same way every time. We take calls for Holliston every day from 6:00 AM to 10:00 PM. You get the scope and the price on the phone before anything is scheduled, and the work does not start until you have agreed to it.
When the technician arrives, the first job is to understand what the system is actually doing, not just what the symptom looks like. That means checking the equipment itself, the controls that tell it when to run, and the airflow path from the unit to the rooms it is supposed to condition. A furnace that trips a safety lockout and a furnace that simply will not ignite can look the same from the thermostat but point to completely different causes. The diagnostic is how we find out which one it is.
On a cooling call, refrigerant pressure, evaporator coil condition, and airflow through the air handler are all checked before any conclusion is reached. A system that is undercharged looks similar to one with a dirty coil or a failing blower, and treating the wrong cause wastes money and leaves the real problem in place.
Nothing is started until the findings are explained and the repair or replacement option is confirmed with you. If the diagnostic points to more than one possible path, both are laid out clearly so you can decide based on actual information rather than a guess. We explain the diagnosis before any work is authorized, every time.
What a job costs depends on what the job actually is. A diagnostic service call, a refrigerant recharge, a blower motor replacement, and a full system replacement are four different scopes with four different answers. The age of the equipment matters. The type of refrigerant a system uses matters. Whether the repair requires accessing the heat exchanger or just swapping a sensor matters. None of those figures are invented on this page, because the right number comes from looking at the specific system.
When you call, the conversation covers what the system is doing and what the service call involves. You get the rate on the phone before anything is scheduled, and you are told what the visit covers. If the diagnostic uncovers a repair, the repair price is confirmed before any work begins. If the system is at the point where repair and replacement costs are close, that comparison gets made honestly, with real numbers, so you can make the call yourself.
Ask what it covers and you get a straight answer.
A no-heat situation in the middle of winter, or an AC that stops working during a stretch of humid weather, does not wait for a convenient appointment slot. We take emergency no-heat and no-cool calls seriously, and we are available every day from 6:00 AM to 10:00 PM, including weekends. When you call about an emergency, the scope of the problem gets worked out on the phone so you know what to expect before the visit is confirmed.
For rental properties and commercial spaces that cannot simply shut down, we work through the scheduling and access requirements on the call. A tenant who needs to be home, a business that has to stay open, or a multi-unit building where access has to be coordinated across units all get handled as part of the booking conversation, not as a surprise on the day. Call us and a real person answers.
If you have already had work done and the system is behaving the same way it did before, or if you have been told a repair is needed and you want a second look, we will run the diagnostic and tell you what we find. A previous repair that did not hold usually means one of two things: the wrong cause was treated, or the right cause was treated but the underlying condition that led to it was not addressed. Either way, the diagnostic starts fresh.
We also take over work that was started by somebody else and not completed. Whether that means finishing an installation, investigating a fault that was left unresolved, or assessing a system that was modified and is now behaving erratically, we work from what is actually in front of us rather than from assumptions about what the previous visit covered.
A full system replacement is not one decision, it is several. Equipment type, equipment size, and what the existing ductwork or hydronic layout can support all have to be worked out before anything is ordered. A unit that is too large for the space short-cycles and wears out faster than it should. A unit that is too small runs continuously and never catches up. Getting the sizing right is the job before the job.
For homes in this part of Middlesex County that are moving from oil heat to a heat pump or a gas furnace, the replacement conversation also includes the existing equipment and how the new system connects to the building. Homes with boilers and baseboard radiation have a different set of considerations than homes with forced air. We work through all of that on the call before anything is scheduled, so the visit is focused on the actual installation rather than on figuring out the scope once the technician is already there.
The price for a replacement is confirmed before any equipment is ordered or any work is authorized.
An indoor air quality call usually starts with a complaint about dust, odors, or a family member whose symptoms worsen when the system runs. Whole-home filtration and air purification systems connect directly to the existing HVAC equipment and treat the air as it circulates through the system. The result is coverage across the whole home rather than a single room. We assess what the existing system can support and match the filtration to it.
A system that is losing refrigerant will show it gradually: reduced cooling output, longer run times, ice forming on the refrigerant line or the indoor coil, and eventually a system that runs without cooling at all. Diagnosis involves checking pressures, identifying where the leak is, and assessing whether the repair is straightforward or whether the leak points to a larger component failure. Running a system with a known refrigerant leak extends the damage, so the earlier the call, the simpler the fix tends to be.
A compressor that is drawing too much current, a condenser fan motor that has failed, or a capacitor that can no longer hold a charge are among the more common causes of an outdoor unit that will not start or that starts and then shuts down on a safety trip. These faults show up clearly in the diagnostic and are usually repairable. When the compressor itself has failed on an older system, the repair cost relative to the age of the equipment often points toward replacement instead, and that comparison gets made directly.
A burning smell on first startup of the season is often dust on the heat exchanger burning off and clears on its own. A smell that persists, or one that appears mid-season, is worth investigating. A musty smell usually points to mold or organic growth on the evaporator coil or in the ductwork, particularly in homes where the system has been running in high-humidity conditions. Evaporator coil cleaning addresses the source rather than masking it.
A spring tune-up before the cooling season and a fall tune-up before the heating season are the most straightforward way to avoid a breakdown at the worst possible time. On a cooling tune-up, we check refrigerant level, clean the evaporator coil, test the capacitor and contactor, and confirm airflow. On a heating tune-up, we inspect the heat exchanger, check ignition and burner operation, and verify that the controls are sequencing correctly. Older homes in this area, many of which have not had regular maintenance, often turn up small problems at a tune-up that would have become emergency calls by midwinter. Read the heating and cooling services page for what to expect step by step.
We serve Holliston and the neighboring communities throughout the area, including Medway, Hopkinton, Ashland, Milford, and Sherborn. Coverage extends across Middlesex County and into the surrounding region. If you are in a town not listed here, call and ask about your address. Coverage questions are easy to answer on the phone, and we confirm service area before anything is scheduled.
It starts on the phone, where we work through what the existing system looks like and what the new equipment would connect to. Homes with boilers and hydronic layouts have different considerations than homes with forced-air ductwork, and the right replacement depends on both the building and the load. We scope the job before anything is scheduled so the visit is focused on the installation rather than on figuring out the scope after the technician has arrived.
Yes. Homes without ductwork are a natural fit for ductless mini-split systems, which connect a wall-mounted indoor air handler to an outdoor compressor through a small penetration in the wall, no ductwork required. A single-zone installation can condition a room, an addition, or a finished basement independently. We assess the space and the load on the call and confirm what the installation involves before anything is scheduled.
Most modern smart thermostats are compatible with standard forced-air heating and cooling systems, heat pumps, and multi-stage equipment. Compatibility depends on the wiring at the existing thermostat location and the control board in the equipment. We check both before recommending a specific control, and we handle the installation and the configuration as part of the same visit.
A full system replacement means the heating or cooling is off for part of the day while the old equipment is removed and the new equipment is commissioned. The length of that window depends on the scope of the job. We talk through what to expect when the installation is scheduled, so you can plan around it if the timing matters.
Yes, and it is one of the clearest ways to think about the decision. A repair that costs a significant fraction of what a replacement would cost, on a system that is already well past its expected service life, is a different calculation than the same repair on a newer system. We lay out both figures so you can make the call based on actual numbers.
Older homes in this part of Middlesex County commonly run on hot-water boilers with baseboard radiation, oil-fired furnaces, and systems that were retrofitted with central air after original construction. We work on all of them, and the diagnostic process is the same regardless of system type: find the cause, explain it, and confirm the price before any work is authorized.
Sometimes, and it depends on what has failed. A system with a failing capacitor or a stuck contactor can sometimes be kept running on a short-term basis while the correct part is tracked down. We are straightforward about whether a temporary measure is safe and practical, or whether running the system in that condition risks further damage.
Someone with access to the equipment needs to be on site, but that does not have to be the owner. A tenant, a property manager, or a building superintendent can let the technician in and confirm access to the indoor and outdoor units. We coordinate the access arrangements when the visit is scheduled so there is no confusion on the day.
Yes. Newer equipment benefits from regular maintenance for the same reason a newer car benefits from oil changes. Catching a refrigerant leak early, clearing a condensate drain before it overflows, or catching a capacitor that is reading low before it fails on a hot day all cost less than the repair or the damage that follows. Manufacturer recommendations for most residential equipment include annual service regardless of age.
When you call, you get the scope and the rate on the phone. The diagnostic tells us what the system actually needs, and that finding is explained before any repair or replacement is authorized. Whether the job is a straightforward furnace repair, a heat pump installation, or a full system swap, nothing is ordered and nothing is started until you know the cost and have agreed to it.
Call (781) 742-9359 any day between 6:00 AM and 10:00 PM.
We take heating and cooling work in these nearby communities as well: Medway, Hopkinton, Ashland, Milford. Have a look at our whole service area.
Below is a plain look at the heating and cooling work we handle in Holliston and across Middlesex County. Each service comes with a short description of what it covers, who it fits best, and a practical note worth knowing before you call. Read through, find what matches your situation, and call us for a quote.
| Service | What the Service Includes | Common Needs | Things to Know |
|---|---|---|---|
| Ductwork Repair & Sealing | Duct inspection and leak detection, Sealing of gaps and disconnected sections, Airflow confirmation at registers, Attic and crawl-space duct assessment | Homes with uneven temperatures, weak register airflow, or high energy use relative to comfort | Older Holliston homes that had ductwork added after original construction often have runs that were never sized correctly for the layout. |
| Full System Installation & Replacement | Equipment sizing for the space, Indoor and outdoor unit installation, Refrigerant line set and air handler, System commissioning and test cycle | Homeowners or building operators replacing an aging or failed system | Correct sizing matters more than brand. A unit that is too large short-cycles and wears out faster than one matched properly to the space. |
| Seasonal Maintenance & Tune-Ups | Refrigerant level and coil cleaning, Heat exchanger and ignition inspection, Capacitor, contactor, and controls test, Full operating cycle confirmation | Homeowners who want to catch problems before they become emergency calls | Spring is the natural window for AC service. Fall is the window for heating. Scheduling before the busy season means faster appointment availability. |
Call us at (781) 742-9359 and we will go through your system, your situation, and your options before anything is scheduled.
(781) 742-9359