Quick Response, Quality You Can See
AC Repair Services Serving Duarte, 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 Duarte 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.
Older bungalows along Mission District streets often hide original ductwork nobody has opened in decades. We stand behind the work, and if something shifts afterward we come back and correct it. Every technician at D & M HVAC is certified, background-checked, and trained on all major brands. Follow-up calls confirm the system is still performing the way it did the day we left. We work daily between Las Tunas Drive, Valley Boulevard, and the quiet streets north of Mission. A properly serviced system runs quieter, cools evenly, and stops pushing grit into living spaces. Foothill dust drifts down from the San Gabriel Mountains and settles quietly inside return plenums. Nothing gets replaced unless it truly needs replacing, and we say so plainly when it does not. Doing it right the first time costs less for everyone, and that has been our standard for years.
Being based at 1961 Del Mar Ave keeps our response window short for the whole valley. Local evaporator coil cleaning means we know these neighborhoods, not just an address on a map. Apartment and condo work near the 10 and 605 corridors demands quiet, tidy, neighbor-friendly crews. Crews reach Alhambra, Rosemead, and Temple City in minutes rather than routing across the county. Familiar streets mean accurate arrival times, and we would rather be early than vague. We work daily between Las Tunas Drive, Valley Boulevard, and the quiet streets north of Mission.
Newer builds near Duarte, CA still collect construction debris that throttles airflow from day one. A properly serviced system runs quieter, cools evenly, and stops pushing grit into living spaces. Our air handler cleaning keeps San Gabriel Valley systems breathing clean through long, dry inland summers. We start every visit by mapping the system, then explain exactly what we found before touching anything. 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.
Shortcuts show up six months later, so we simply do not take them on any job. We stand behind the work, and if something shifts afterward we come back and correct it. Follow-up calls confirm the system is still performing the way it did the day we left. Doing it right the first time costs less for everyone, and that has been our standard for years. Customers across Duarte, CA keep our number because the results hold up over time.
Honest air vent cleaning pricing starts with a free estimate and no pressure whatsoever. Written quotes list each item separately so you can see precisely where the money goes. New customers take 10% off their first booking, and we apply it without being asked twice. Maintenance visits cost far less than the emergency repairs they reliably prevent. There are no trip charges, no weekend surcharges, and no surprises added at the end. You approve the scope and the number before a technician unpacks a single tool.
Furnace Duct Cleaning, Air Filter Replacement, Indoor Air Quality Service, Condenser Coil Cleaning, Air Duct Replacement, Heating Duct Cleaning, Dryer Vent Cleaning, HVAC Duct Cleaning, Mini Split Cleaning, Evaporator Coil Cleaning, Air Vent Cleaning, Air Duct Inspection, Blower Motor Cleaning, Duct Sealing, HVAC System Cleaning, Emergency Duct Cleaning, Furnace Tune Up, Air Handler Cleaning, Air Duct Repair, Air Duct Sanitizing, Air Duct Cleaning, Commercial Air Duct Cleaning, Coil Cleaning, Air Duct Installation and a whole lot more.
91008, 91009, 91010, 91801, 91755, 91770, 91780, 91108, 91030, 91006, 91007, 91101 and more nearby.
Central Duarte, Royal Oaks-Du, Huntington Drive Corridor-Du, Duarte Road Corridor, City of Hope Area, Encanto Parkway Area, Buena Vista Area-Du, Mount Olive Area, Bradbury Border-Du, Highland Avenue Area-Du, Fish Canyon Area, Beardslee Area and many more.
Call (626) 244-2014 today for a free, no-obligation quote in Duarte, 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.
Get Directions