C & M Air Conditioning has been Turlock's locally owned heating-and-cooling contractor since 1982. For over 44 years, we have served homeowners, landlords, property managers, and businesses across Stanislaus County with honest work and straightforward pricing. We handle the full range: AC repair and service, heating and furnace repair, heat pump work, ductless mini-split installation, full system replacement, ductwork repair and sealing, thermostat and smart-control installation, indoor air quality upgrades, and emergency response when your system goes down. Fast diagnosis. Honest pricing. Comfort restored.
Trusted by local homeowners and property managers for their heating and cooling, we show up ready to work and keep you informed every step of the way. Call (209) 226-9782 to schedule service or request an estimate.
Heating and cooling a home right takes the right tools and a trained hand, and the Central Valley keeps us busy year-round. A broken AC on a hot Turlock afternoon and a furnace that won't fire on a cold Stanislaus County morning are both calls we take seriously. Here is what we do.
When your AC stops cooling, blows warm air, or simply won't turn on, we diagnose the problem and tell you exactly what it will take to fix it. A service visit covers refrigerant leak diagnosis, condenser and compressor inspection, and airflow and uneven-temperature troubleshooting. We find the root cause, not just the symptom. We'll find the fault and set it right.
Turlock winters are mild compared to the Sierra foothills, but a furnace that won't heat or blows cold air is still a problem you want solved fast. We repair and service gas furnaces throughout the area, diagnosing ignition failures, heat exchanger issues, and airflow problems that leave rooms cold. Work performed by qualified HVAC technicians means the job is done correctly the first time. Pick up the phone and we'll get started.
Heat pumps are a strong fit for the Central Valley's mild winters and warm summers, and we see more of them every year. Whether your heat pump has stopped heating, stopped cooling, or is running but underperforming, we diagnose and repair the full system. Regular tune-up and maintenance service keeps a heat pump running efficiently through the season. We'll have your system running again in no time.
Good HVAC work isn't complicated, it's just done right, and that starts with putting the right equipment in place. When a repair no longer makes financial sense, or when a system has simply reached the end of its service life, we handle the full replacement from equipment selection through final commissioning. We install central air systems, heat pumps, and ductless mini-splits for both residential and commercial properties. We stand behind every system we service, and our estimate process is transparent so you know what you are paying before work begins.
Leaky ductwork quietly undermines even a brand-new system, pushing conditioned air into attics and crawlspaces instead of into your living areas. We locate and seal duct leaks, repair damaged sections, and restore proper airflow throughout the home. A well-sealed duct system makes every other HVAC upgrade work harder for you. Call today and we'll set up your appointment.
A thermostat that fails or reads the temperature incorrectly throws off the entire system. We install and replace thermostats of all types, including programmable and smart-thermostat options that give you precise control over comfort and energy use. Zoning and scheduling features can make a real difference in a larger home or a multi-unit property.
The Central Valley's hot summers and cool winters follow a reliable rhythm, and a spring AC tune-up and fall furnace or heat pump check keeps your system ready for both. Annual maintenance catches small problems before they become expensive repairs and keeps equipment running at peak efficiency. We'll have your system running again in no time.
We've served this area long enough to know what works, and Turlock's climate shapes what local homes and businesses need most. Hot, smoky summers and mild winters create a specific set of HVAC demands that a generic service list does not fully address. The three services below reflect what we see most often and handle best.
Many older Turlock homes were built without central air conditioning, a reasonable choice decades ago when summers were cooler and more predictable. That calculation has changed. First-time cooling installations are now one of the most common calls we receive. For homes without existing ductwork, ductless mini-split systems are a practical, efficient path to comfort. A single outdoor unit connects to one or more indoor air handlers, requiring no duct runs and allowing room-by-room temperature control. For homes that already have ductwork or are ready for a full ducted system, we handle central air installation from start to finish. We assess your space, recommend the right equipment, and walk you through the estimate before any work begins.
Smoke events from regional wildfires have become a recurring part of summer and fall in the San Joaquin Valley. When air quality drops, the air inside a home can be worse than the air outside if the HVAC system is not equipped to filter fine particles. We install and upgrade air filtration systems to MERV-13 and higher-rated filters that capture smoke particulates, ash, and fine dust before they circulate through your living space. An upgrade typically involves evaluating your existing system's filter housing, recommending compatible high-efficiency filtration, and making any necessary modifications to support the improved airflow requirements. Work performed by qualified HVAC technicians ensures the upgrade is matched correctly to your equipment. Call today and we'll set up your appointment.
California's energy direction is clear, and the mild Turlock winter makes heat pump electrification one of the more practical upgrades available to local homeowners. A heat pump handles both heating and cooling from a single system, replacing an aging gas furnace, an old central AC, or both at once. We assess your home's current setup, recommend appropriately sized equipment, and manage the installation from removal of the old system through final testing. If you have been thinking about moving away from gas heat or simply replacing an aging system with something more efficient, a heat pump is worth a serious look. We'll find the fault and set it right.
Our customers call us back because we make comfort simple, and that matters most when something goes wrong at the worst possible time. We take emergency no-heat and no-cool calls and offer same-day service availability for urgent situations. When you call, we give you a real arrival window, a clear diagnosis, and honest pricing before we start work. Know the price. Know the arrival window. Know your technician.
Call (209) 226-9782 for emergency or same-day service.
You shouldn't have to chase a contractor for answers, whether you own a single-family home in Turlock, manage a rental portfolio across Stanislaus County, or run a light commercial space that depends on reliable climate control. We serve all of them. Homeowners get the same attentive service as a property manager with ten units, and a small retail or office space gets the same qualified technicians as a large residential job.
Landlords and property managers count on us for fast turnaround when a tenant calls with no heat or no cool. We understand that a down system in a rental unit is not just an inconvenience, it is a liability. We've worked this area long enough to know its homes, which means we diagnose faster and recommend solutions that fit the building, not just the equipment catalog.
Turlock is our home base, and we work throughout the surrounding communities every day. Our service area covers Modesto, Ceres, Hughson, Denair, Hilmar, Livingston, and Atwater, along with the broader Stanislaus County region. If you are nearby and need heating or cooling service, give us a call. We'll have your system running again in no time.
Our customers call us back because we make comfort simple. We are locally owned and personally accountable, which means a real local person answers when you call and a qualified technician shows up at your door. Our estimate and quote process is straightforward: you know what the job involves and what it costs before we begin. No surprises, no pressure. Trusted by homeowners. Relied on by property managers. Ready for your system.
Common early warning signs include reduced cooling output, warm air from the vents, unusual sounds during operation, the system cycling on and off more frequently than normal, and higher-than-usual energy use without a change in habits. If you notice any of these, a service visit before the unit quits entirely is usually less expensive than an emergency call. We'll find the fault and set it right.
Uneven temperatures are often a duct problem. A leaking duct, a disconnected run, or a poorly balanced system can leave one area starved for conditioned air while another gets too much. We diagnose airflow issues as part of a service visit and can trace the problem to the equipment, the ductwork, or both.
A burning smell at the start of heating season is often dust burning off the heat exchanger or elements after a long idle period and may clear on its own. A persistent burning smell can indicate an electrical issue at the unit or a failing component and warrants a service call. A musty smell usually points to mold or moisture in the duct system or on the coil, which an inspection and cleaning can address.
We look at the age of the equipment, the cost of the current repair relative to the system's remaining useful life, and the repair history. A system that is aging, has needed repeated work, or faces a repair that approaches half the cost of a new unit is often a better candidate for replacement. We give you an honest assessment and let you decide.
After a repair or installation, we run the system through a full operational check. That includes confirming the equipment reaches set temperature, checking airflow at the registers, verifying that controls and thermostat communication are working correctly, and making sure there are no new faults before we close out the job.
A straightforward repair, such as a failed capacitor or a refrigerant recharge, often takes one to two hours. A full system replacement typically takes most of a workday. We give you a realistic time estimate when we schedule the job so you can plan accordingly.
Yes. We provide an invoice that details the work performed, the parts used, and the final price. That record is useful for warranty purposes, future service calls, and if you are a landlord or property manager keeping maintenance records.
Clear a path to the indoor air handler or furnace, the outdoor condenser unit, and any attic or crawlspace access points the technician may need to reach. Moving stored items away from the equipment before the visit helps the job move faster and avoids delays.
Yes. A service visit covers both sides. We check equipment performance first, then evaluate airflow and duct condition if the equipment tests out correctly. Leaky or damaged ducts can make a perfectly functional system perform poorly, and we diagnose both before recommending a solution.
We start by evaluating your existing filter housing and air handler to confirm the system can handle the increased static pressure that comes with denser filtration media. From there, we recommend the right filter rating for your setup, upgrade the housing if needed, and can add a whole-home air purifier for additional protection during smoke events. Work is performed by qualified HVAC technicians to make sure the upgrade is matched correctly to your equipment.
We assess your current heating and cooling setup, recommend appropriately sized heat pump equipment for your home, and remove the old system before completing the new installation. The job covers the outdoor unit, the air handler, refrigerant lines, and the thermostat and control connections. The electrical circuit for the new equipment is a separate trade; we handle the HVAC equipment and coordinate the sequence so the overall project moves cleanly.
A ductless installation starts with a load calculation to size the equipment correctly for the space. We then mount the indoor air handler, install the outdoor unit, run the refrigerant and control lines between them, and commission the system. For homes without existing ductwork, a mini-split is often the most practical path to cooling a room or addition that a central system does not reach.
Older homes across Turlock often have duct systems that were never properly sealed and thermostats that are no longer reading accurately. We address both: sealing and repairing the duct system to restore proper airflow, and replacing the thermostat with a programmable or smart-control option that communicates reliably with the equipment. Both upgrades improve comfort and efficiency without requiring a full system replacement.
C & M Air Conditioning has been handling heating and cooling across Turlock and Stanislaus County since 1982, and we are ready for your call today. Whether you need a repair, a seasonal tune-up, a full system replacement, or emergency service, we are here to help. Call (209) 226-9782 to request an estimate or book a service call. Pick up the phone and we'll get started.
We handle the full range of residential and commercial heating and cooling work in Turlock and across Stanislaus County, from a same-day repair call to a complete system replacement. Every visit starts with a clear diagnosis and a firm price before any work begins. The table below outlines what each service covers, who it fits best, and a practical note to help you decide where to start. Call us and we will match the right service to your situation.
| HVAC Service | What's Included | Common Needs | Helpful Details |
|---|---|---|---|
| Ductwork Repair and Sealing |
| homes with uneven temperatures, high energy bills, or ducts losing conditioned air into attics or crawlspaces | Leaking ducts make the whole system work harder and are a common cause of rooms that never reach the set temperature |
| AC Repair and Service |
| homeowners and businesses with a cooling system that has stopped working or is underperforming | Same-day availability is offered for urgent no-cool calls during the Valley's long cooling season |
| Thermostat and Smart-Control Installation |
| customers upgrading from an older manual thermostat or dealing with a system that does not respond correctly to settings | A thermostat that reads inaccurately can make a perfectly good system behave as if something is wrong with the equipment |
| Indoor Air Quality and Air Filtration |
| households concerned about allergens, dust, smoke particles, or humidity comfort year-round | Humidity control connected to your system can noticeably improve how comfortable a home feels even when the temperature is right |
| Heat Pump Repair and Installation |
| customers whose heat pump is not heating, not cooling, or short-cycling | A heat pump failure affects both heating and cooling comfort, so prompt diagnosis matters year-round |
| Full System Installation and ReplacementMost Popular |
| homeowners and property managers replacing an aging or failed system | We walk through repair-versus-replace honestly before recommending a full replacement |
| First-Time AC and Ductless Cooling Installation |
| older homes, smaller buildings, and ADUs that have never had a dedicated cooling system | Recent Valley summers have made cooling a practical necessity rather than an optional upgrade for many properties |
| Emergency HVAC Service |
| any customer whose system has gone down and cannot wait for a standard appointment | We are available 24 hours a day, 7 days a week, including weekends and holidays |
| Ductless Mini-Split Installation and Service |
| additions, older buildings, ADUs, and spaces central systems do not reach well | Mini-splits are a practical first-cooling option for Turlock homes built before central air was standard |
| Seasonal Maintenance and Tune-Ups |
| any customer who wants to avoid an emergency call and keep the system running efficiently through peak seasons | A spring tune-up before cooling season and a fall check before heating season are the two most reliable ways to catch problems early |
| Heat Pump Electrification |
| homeowners who want to move away from gas and run a single all-electric system for both seasons | The Valley's hot summers and mild winters suit heat pump performance well without the cold-climate efficiency penalty |
| Wildfire-Smoke Air Filtration (MERV-13+) |
| households and businesses in Stanislaus County that experience poor air quality during wildfire season | A standard 1-inch filter does little to capture the fine particles in wildfire smoke; a MERV-13 upgrade makes a measurable difference |
| Heating and Furnace Repair |
| any customer facing a no-heat situation or a furnace that is cycling irregularly | A furnace that has not been serviced in a few years is more likely to fail during the first cold snap of the season |
How do I know if I should repair my system or replace it?
We look at the age of the equipment, the cost of the repair relative to the value of the system, and how often it has needed service recently. A system that is more than 15 years old and facing a major repair is often a better candidate for replacement than continued patching. We walk through the numbers honestly with you before recommending either path, and we do not push toward the more expensive option when the repair still makes financial sense.
What are the signs that my air conditioner or furnace may be failing?
For an AC, watch for warm air from the vents, unusual cycling, ice on the coil or refrigerant lines, or a unit that runs constantly without reaching the set temperature. For a furnace, warning signs include short-cycling, delayed ignition, uneven heat across the home, or a system that runs but does not produce enough warmth. Any of these is worth a diagnostic call before a small problem becomes a complete failure.
Why is one room always hotter or colder than the rest of the house?
Uneven temperatures are usually a duct, airflow, or equipment sizing issue. Leaking ducts lose conditioned air before it reaches the room. A damper that is closed or stuck can block delivery to a specific zone. In some cases, the original equipment was not sized correctly for the layout. We start with a duct inspection and airflow check to find the cause before recommending a fix.
Transparent Upfront Pricing
Every job starts with a diagnosis and a clear price before any work begins. There are no surprise charges at the end of a visit and no pressure to approve work you are not ready for.
What does a seasonal tune-up actually cover?
A maintenance visit covers coil cleaning, refrigerant level check, blower motor inspection, filter replacement or check, and a controls test to confirm the thermostat and system are communicating correctly. The goal is to catch worn parts, low refrigerant, or dirty components before they cause a breakdown during peak season. Work is performed by qualified HVAC technicians who know what to look for.
How often should I schedule maintenance on my heating and cooling system?
Twice a year is the standard recommendation: a spring visit before cooling season starts and a fall visit before the heating season. In the Central Valley, where the cooling season runs from late spring through September and puts real hours on the equipment, staying current on maintenance helps avoid emergency calls during the hottest stretches.
What causes a system to short-cycle, and is it serious?
Short-cycling means the system starts, runs briefly, and shuts off before reaching the set temperature, then repeats the cycle. Common causes include an oversized system, a refrigerant problem, a dirty coil restricting airflow, or a faulty thermostat or sensor. It puts extra wear on the compressor and blower motor and should be diagnosed promptly rather than ignored.
Same-Day and Emergency Availability
We dispatch the same day for urgent no-heat and no-cool calls, 24 hours a day, 7 days a week, including weekends and holidays. When the system goes down, we are ready to respond.
Is same-day service available for emergency calls?
Yes. Same-day appointments are available for urgent no-heat and no-cool situations. We are available 24 hours a day, 7 days a week, including weekends and holidays. When you call, let us know what the system is doing and we will give you an arrival window. A system that goes down on a Saturday in the middle of a Valley summer cannot always wait until Monday, and we schedule accordingly.
How does wildfire smoke affect my HVAC system, and what can I do about it?
During wildfire season, outdoor air quality across the San Joaquin Valley can drop quickly and stay poor for days. A standard 1-inch HVAC filter is not rated to capture the fine particulate matter in smoke. A MERV-13 or higher filter upgrade is a meaningful improvement. We assess your existing system to confirm it can handle the increased static pressure, upgrade the filter media or housing as needed, and can add an air scrubber for an extra layer of protection.
Workmanship We Stand Behind
We stand behind every system we service, from a single repair to a full replacement. If something is not right after we leave, we come back and make it right.
What is involved in switching from a gas furnace to a heat pump?
We replace the gas furnace and the existing AC with a single heat pump system that handles both heating and cooling. The installation covers the outdoor unit, the air handler, the refrigerant lines, and the controls. The electrical circuit for the new unit is a separate trade; we handle the equipment and its installation and coordinate the sequence so the job moves cleanly. The Valley's climate, with hot summers and mild winters, suits heat pump performance well year-round.
How long does a full system replacement take?
Most residential system replacements are completed in a single day. The technicians remove the old equipment, install the new system, connect the controls, and run a full test before leaving. Larger commercial jobs or installations that involve new ductwork may take longer. We give you a realistic timeframe when we confirm the scope of work.
Do I need to be home when the technician arrives?
Someone with access to the equipment and the authority to approve the work should be present, at least for the diagnosis and estimate review. Once you have approved the price and the scope, the technician can complete most of the work without you standing by. If you have questions about access or scheduling around your availability, let us know when you call and we will work out the details.
Call us at (209) 226-9782 and we will match the right service to your system, give you a clear price, and get you on the schedule.
(209) 226-9782