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D & M HVAC

Your Trusted 24/7 HVAC Experts in San Gabriel, CA
Professional Heating & Cooling Solutions
Emergency Services Available - Start February 2026 Right with 10% Off - New Customers Only!

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Why Choose Us

Your Local HVAC Experts in San Gabriel

At D & M HVAC, we pride ourselves on delivering exceptional heating and cooling services to the San Gabriel community. With over 15 years of experience and a commitment to customer satisfaction, we're your trusted partner for all HVAC needs.

Licensed and insured professionals you can trust
State-of-the-art equipment and techniques
Transparent pricing with no hidden fees
Prompt service with respect for your time

Experience the D & M HVAC difference today!

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Our 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.

Our Comprehensive HVAC Services

From routine maintenance to emergency repairs, our full-service HVAC company has everything you need to ensure your comfort in every season.

24/7 Emergency Service

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.

Certified Technicians

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.

Quality Workmanship

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.

Customer Satisfaction

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.

Our Services

Comprehensive HVAC Solutions for Your Home or Business

From installation to maintenance and emergency repairs, we provide complete HVAC services to keep your space comfortable year-round.

AC Repair & Installation

Expert air conditioning repair and installation services for all makes and models. We ensure your system runs efficiently and effectively.

Heating Services

Comprehensive heating system repair, maintenance, and installation to keep you warm during the colder months.

HVAC Maintenance

Regular maintenance services to prevent breakdowns, improve efficiency, and extend the life of your system.

System Diagnostics

Advanced diagnostic services to identify and resolve any HVAC system issues quickly and effectively.

Emergency Services

24/7 emergency HVAC repair services to address urgent issues and restore your comfort immediately.

Indoor Air Quality

Solutions to improve your indoor air quality, including air filtration, humidification, and ventilation systems.

Service Details

Our Professional HVAC Services In-Depth

Learn more about our specialized HVAC services designed to keep your home or business comfortable year-round.

Air Conditioning Services

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.

  • New System Installation
  • Emergency AC Repairs
  • Regular Maintenance & Tune-ups
  • System Upgrades & Replacements
  • Ductless Mini-Split Installation

Heating System Services

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.

  • Furnace Installation & Replacement
  • Heat Pump Services
  • Gas & Electric Heater Repairs
  • Annual Heating System Maintenance
  • Thermostat Installation & Programming

Indoor Air Quality Solutions

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.

  • Air Filtration Systems
  • Air Purifiers & Cleaners
  • Humidity Control Solutions
  • Ventilation System Installation
  • Duct Cleaning & Sanitization

Commercial HVAC Services

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.

  • Commercial System Installation
  • Preventative Maintenance Programs
  • Energy Efficiency Assessments
  • Rooftop Unit Services
  • Building Automation Systems

Service Area

Serving San Gabriel and Surrounding Areas

D & M HVAC proudly provides comprehensive heating, cooling, and air quality services throughout the Greater San Gabriel Valley and surrounding communities. Our team of trained technicians is ready to respond to your HVAC needs wherever you're located in our service territory.

Central Area

  • San Gabriel
  • Alhambra
  • Monterey Park
  • Rosemead
  • Temple City
  • San Marino
  • South Pasadena

Northern Area

  • Arcadia
  • Pasadena
  • Altadena
  • Sierra Madre
  • Monrovia
  • Duarte
  • Bradbury

Eastern Area

  • El Monte
  • Baldwin Park
  • West Covina
  • Covina
  • Azusa
  • Glendora
  • San Dimas
  • La Verne

Southern Area

  • La Puente
  • Industry
  • Hacienda Heights
  • Rowland Heights
  • Walnut
  • Diamond Bar
  • Pomona
  • Whittier

Don't see your city listed? Contact us anyway! We likely service your area and are expanding our reach constantly. Our goal is to provide reliable HVAC services to as many communities as possible in the San Gabriel Valley region.

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What Our Clients Say

Customer Testimonials

We take pride in our work and the relationships we build with our customers. Here's what some of our satisfied clients have to say about their experience with D & M HVAC.

"D & M HVAC saved us during a heat wave when our AC broke down. Their technician arrived within an hour and fixed the issue professionally. The repair was affordable and they even followed up the next day to make sure everything was still working properly. Highly recommended!"

John D. San Gabriel, CA

"The team at D & M HVAC is exceptional. They installed our new heating system and explained everything clearly. The service was prompt and the work was flawless. We've noticed a significant improvement in our home's comfort and our energy bills have decreased by nearly 20%. Would definitely use their services again!"

Maria S. Alhambra, CA

"Regular maintenance from D & M HVAC has kept our system running efficiently for years. Their technicians are knowledgeable and always professional. We've been on their annual maintenance plan for three years now, and haven't had a single breakdown. Their preventative approach has saved us thousands in potential repairs."

Robert T. Pasadena, CA

"Emergency service at 2 AM! D & M HVAC responded quickly when our furnace stopped working in the middle of winter. The technician was at our door within 30 minutes and had our heating back on in just over an hour. They truly understand what emergency service means. Outstanding service!"

Lisa M. Monterey Park, CA

Join our growing list of satisfied customers throughout the San Gabriel Valley area.

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Frequently Asked Questions

Common HVAC Questions

Find answers to the most frequently asked questions about our HVAC services, maintenance tips, and more. Still have questions? Don't hesitate to contact us!

Do you offer emergency HVAC repair in San Gabriel, CA?

Yes, D & M HVAC provides 24/7 emergency HVAC repair services in San Gabriel and surrounding areas. We understand that HVAC problems can occur at any time, which is why we're available day and night, weekends, and holidays to address your urgent needs with prompt, professional service.

How often should HVAC systems be serviced?

We recommend bi-annual maintenance for optimal performance - once in spring for cooling systems and once in fall for heating systems. Regular servicing helps prevent breakdowns, improves efficiency, extends the lifespan of your system, and maintains your manufacturer's warranty. Our maintenance plans make this easy and affordable.

What types of HVAC systems do you work on?

We service all types of residential and commercial HVAC systems, including central air conditioning, heat pumps, furnaces, ductless mini-splits, rooftop units, packaged systems, and more. Our technicians are certified and trained to work on all major brands and models, ensuring you receive expert service regardless of your system type.

Do you offer free estimates?

Yes, we provide free, no-obligation estimates for all our services. Our team will assess your needs and provide a detailed quote for the work required. We believe in transparency, so you'll know exactly what to expect before any work begins. We never perform additional work without your approval.

How long does a typical HVAC installation take?

A typical residential HVAC system installation usually takes 1-3 days, depending on the complexity of the installation, system type, and whether any additional ductwork is required. Our team works efficiently to minimize disruption to your home or business while ensuring the installation is done correctly.

Do you offer any maintenance plans?

Yes, we offer several maintenance plan options that include regular system inspections, tune-ups, priority service, and discounts on repairs. Our maintenance plans are designed to keep your system running efficiently, prevent costly breakdowns, and extend your equipment's lifespan.

What warranties do you offer on new installations?

All our new installations come with manufacturer warranties, typically ranging from 5-10 years on parts. Additionally, we provide a labor warranty on our installation work. We also offer extended warranty options for added peace of mind and protection for your investment.

How can I improve my indoor air quality?

Improving indoor air quality starts with regular HVAC maintenance, changing air filters regularly, and considering additional solutions like air purifiers, UV germicidal lights, or whole-home humidifiers/dehumidifiers. We offer professional indoor air quality assessments to recommend the best solutions for your specific needs.

Contact Us

Get in Touch

We're here to help with all your HVAC needs. Contact us today for reliable service and expert solutions tailored to your comfort requirements.

Fast response times
Free consultations and estimates
Flexible scheduling options
24/7 emergency services

Address

1961 Del Mar Ave
San Gabriel, CA 91776
United States

Hours

Open 24 Hours
7 Days a Week
Including Holidays

Service Requests

For fastest service, please call us directly.
We prioritize emergency calls.

Our Location

Serving the Greater San Gabriel Valley and surrounding areas from our central location.

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