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AC Repair Services Serving San Dimas, CA and the surrounding areas as of August 2026 - start this month right with 10% off, new customers only! Tidy, careful, satisfaction guaranteed. Call (626) 244-2014 for a free, no-obligation estimate.
At D & M HVAC, we pride ourselves on delivering exceptional heating and cooling services to the San Dimas community. With over 15 years of experience and a commitment to customer satisfaction, we're your trusted partner for all HVAC needs.
Experience the D & M HVAC difference today!
Schedule Service NowOur team of certified technicians brings expertise and dedication to every job, ensuring your HVAC systems operate at peak performance year-round. We take pride in our work and stand behind every installation, repair, and maintenance service we provide.
From routine maintenance to emergency repairs, our full-service HVAC company has everything you need to ensure your comfort in every season.
We understand that HVAC emergencies don't follow a schedule. That's why we offer round-the-clock emergency services to ensure your comfort and safety at any time. Our technicians are on standby nights, weekends, and holidays to respond when you need us most.
Our team consists of highly trained and certified HVAC professionals who stay current with the latest industry standards and technologies. Each technician undergoes rigorous training and continuous education to provide you with expert service on all makes and models.
We take pride in delivering top-quality work on every job, using premium materials and following best practices to ensure long-lasting results. Our attention to detail and commitment to excellence ensures that every system we install or repair performs optimally for years to come.
Your satisfaction is our priority. We go above and beyond to ensure you're completely happy with our services and the results we deliver. That's why we offer satisfaction guarantees on all our work and follow up after service to ensure everything is working perfectly.
We stand behind the work, and if something shifts afterward we come back and correct it. Santa Ana winds push a remarkable amount of grit through every open window each autumn. Customers across San Dimas, CA keep our number because the results hold up over time. Our ac repair keeps San Gabriel Valley systems breathing clean through long, dry inland summers. A properly serviced system runs quieter, cools evenly, and stops pushing grit into living spaces. Newer builds near San Dimas, CA still collect construction debris that throttles airflow from day one. Doing it right the first time costs less for everyone, and that has been our standard for years. Local ac repair means we know these neighborhoods, not just an address on a map. Familiar streets mean accurate arrival times, and we would rather be early than vague.
Booking air duct repair takes one phone call and a two-minute conversation about your setup. Everything gets vacuumed, wiped down, and hauled away before we call the job finished. Technicians arrive with drop cloths, seal the work zone, and protect flooring before opening a single register. Access panels are resealed properly, because a sloppy reseal undoes the entire visit within weeks. Each supply run, return, and plenum gets addressed in sequence so nothing is quietly skipped.
Our furnace duct cleaning keeps San Gabriel Valley systems breathing clean through long, dry inland summers. Stucco tract houses and mid-century ranches each need a different approach, and we adjust on site. Homes here run their cooling equipment nine months a year, so buildup arrives faster than owners expect. Nothing gets replaced unless it truly needs replacing, and we say so plainly when it does not. We start every visit by mapping the system, then explain exactly what we found before touching anything. Foothill dust drifts down from the San Gabriel Mountains and settles quietly inside return plenums.
Doing it right the first time costs less for everyone, and that has been our standard for years. We treat occupied homes as homes, not job sites, and leave them cleaner than we found them. Customers across San Dimas, CA keep our number because the results hold up over time. Shortcuts show up six months later, so we simply do not take them on any job. Careful hvac system cleaning is the reason most of our work now arrives by word of mouth. Detailed notes stay on file, so the next visit starts with real history instead of guesswork.
We have serviced restaurants, offices, and medical suites all across the San Gabriel Valley. We work daily between Las Tunas Drive, Valley Boulevard, and the quiet streets north of Mission. Apartment and condo work near the 10 and 605 corridors demands quiet, tidy, neighbor-friendly crews. Familiar streets mean accurate arrival times, and we would rather be early than vague. Local coil cleaning means we know these neighborhoods, not just an address on a map.
Air Filter Replacement, HVAC Duct Cleaning, Duct Sealing, Indoor Air Quality Service, Furnace Duct Cleaning, Blower Motor Cleaning, Furnace Tune Up, Air Handler Cleaning, Condenser Coil Cleaning, Mini Split Cleaning, Air Duct Installation, Air Duct Sanitizing, Evaporator Coil Cleaning, HVAC System Cleaning, Dryer Vent Cleaning, Air Duct Repair, Commercial Air Duct Cleaning, Coil Cleaning, Air Duct Inspection, Air Vent Cleaning, Air Duct Replacement and more on request.
91773, 91801, 91755, 91770, 91780, 91108, 91030, 91006, 91007, 91101, 91104, 91107 and much more.
Downtown San Dimas, Via Verde-SD, Bonelli Park Area, Arrow Highway Corridor-SD, Foothill Corridor-SD, San Dimas Canyon Area, Puddingstone Area, Walnut Avenue Area-SD, Cataract Avenue Area, Gladstone Corridor-SD, Charter Oak Border-SD, Horsethief Canyon Area and much more.
Call (626) 244-2014 today for a free, no-obligation quote in San Dimas, CA. Open 24 Hours a Day, 7 Days a Week.
Call NowLearn more about our specialized HVAC services designed to keep your home or business comfortable year-round.
Keep your home or business cool and comfortable during hot seasons with our comprehensive air conditioning services. Our expert technicians ensure efficient cooling, reduced energy costs, and extended system life.
Ensure your property stays warm during colder months with our complete heating system services. We work with all types of furnaces, heat pumps, and boilers to provide reliable warmth and efficiency.
Breathe cleaner, healthier air in your home or business. Our indoor air quality services address allergens, pollutants, humidity issues, and more to create a healthier indoor environment.
Specialized HVAC solutions for businesses of all sizes. We understand that commercial spaces have unique requirements, and our team is equipped to handle even the most complex commercial HVAC systems.
We're here to help with all your HVAC needs. Contact us today for reliable service and expert solutions tailored to your comfort requirements.
1961 Del Mar Ave
San Gabriel, CA 91776
United States
Open 24 Hours
7 Days a Week
Including Holidays
For fastest service, please call us directly.
We prioritize emergency calls.
Serving the Greater San Gabriel Valley and surrounding areas from our central location.
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