About Us: Certified HVAC Specialists in Maryland

At Dave Tech & Serv, we take pride in being certified HVAC specialists in Maryland, delivering expert heating, cooling, and air quality solutions for homes and businesses. With over 20 years of experience, we’re dedicated to HVAC excellence, offering everything from AC repair and furnace maintenance to full HVAC system installations.

About Our Expertise

With a reputation built on precision, reliability, and customer satisfaction, we go beyond basic repairs. As licensed and insured HVAC professionals, we specialize in:

  • Energy-efficient HVAC installations for lower utility bills and year-round comfort.

  • Fast & reliable AC and heating repairs to keep your home running smoothly.

  • Advanced air quality solutions, including humidifiers, purifiers, and ventilation upgrades.

  • Smart home HVAC integrations, featuring programmable thermostats and automation.

Certified HVAC technician installing a new heating and cooling system in Boyds, MD, ensuring energy-efficient performance.

Why Choose DaveTech & Serv LLC?

20+ Years Experience

We’ve been providing top-tier HVAC services in Maryland for decades.

Certified HVAC Technicians

Our team is NATE-certified, Carrier-certified, and fully licensed.

Same-Day HVAC Repairs

No waiting weeks—get fast, emergency HVAC repair when you need it.

Local & Trusted

We proudly serve Boyds, Olney, Rockville, and surrounding Maryland communities.

Energy-Saving HVAC Solutions

We install high-efficiency heating and cooling systems that help you save.

As a locally owned HVAC company in Maryland, we proudly serve:

As a local business, we are proud to serve our neighbors in Olney, MD, and nearby areas like Brookeville, Ashton, Sandy Spring, Rockville, Boyds, Bethesda, Potomac, Gaithersburg, and Germantown. We understand our community’s needs and are committed to providing fast, reliable service you can count on. Whether you need a new HVAC system, AC repair, or air quality solutions, we’re your trusted and certified HVAC specialists in Maryland.

Certified HVAC technician using a diagnostic tool to assess an air conditioning system in Maryland.
Commercial appliance repair services for restaurants in Maryland, including stoves and ovens.
Gas appliance repair services in Maryland, ensuring safe and efficient home cooking systems.
HVAC specialist performing home appliance repair on a clothes dryer in Maryland.
Professional home appliance repair services in Olney, MD, for washing machines and dryers.
Refrigeration services in Maryland, including wine cooler and commercial fridge repairs.

Ready to Experience the DaveTech Difference?

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