Connect with Top-Rated HVAC Contractors in Gaithersburg!

Shamrock HVAC Services is a trusted and experienced HVAC company in Maryland, providing reliable and affordable HVAC repairs, installations, and maintenance services to homes and businesses. Our team of experts specializes in heating and cooling services, indoor air quality solutions, heat pumps, HVAC units, and more. We offer $90 HVAC checks, AC installations, heating and cooling repairs, and preventative maintenance contracts to ensure your systems are running efficiently and effectively. With over 55 years of experience, we pride ourselves on honesty, reliability, and expertise, and strive to provide 5-star service to our clients.

In & Out Dryer Vent & Air Duct Cleaning service, Gaithersburg, MD offers a wide range of air duct cleaning, dryer vent cleaning, carpet cleaning, and other related services to provide a healthier and safer living environment. Our team of certified professionals is dedicated to providing exceptional services at affordable prices.

Established in 1945, Harvey W. Hottel, Inc. is a family-owned provider of HVAC and plumbing services across the Mid-Atlantic Region. Our commitment to using advanced tools and technologies has positioned us as a leader in commercial design and installation.

Diversified HVAC is a family-owned business serving the Maryland, DC, and Virginia business corridors. We offer a wide range of services, including HVAC service and repair, commercial HVAC installation, and HVAC maintenance. Our team of trained technicians will provide superb customer service to create a solution to fit your cooling and heating needs. We have over thirty years of business experience and have served numerous clients in the Maryland, DC, and Virginia area. From schools to medical facilities, senior centers, and retail, we offer a wide range of air purification solutions to add value to your commercial property. Our company culture demands exceptional service, and we stand behind our core values of family values, integrity, and excellence with every call. Whether you need a new commercial HVAC installation or maintenance on an existing system, our team will work with you to create a solution that fits your business needs.

America's Green Heating and Air Conditioning Company is a full-service heating and air conditioning company based in Gaithersburg and Frederick, Maryland. We offer HVAC replacement, HVAC repair, HVAC maintenance, water heater installation, and indoor air quality solutions. Our technicians are extensively trained and guarantee fast, friendly, and clean service. We work to accommodate your schedule and ensure all work is guaranteed.

Rod Miller HVAC provides top-notch HVAC services, including repair, installation, and maintenance, to customers in Maryland and surrounding areas. With over 50 years of experience, we're dedicated to providing personalized services that meet our customers' unique needs and budget.

We offer professional air duct cleaning, HVAC cleaning, dryer vent cleaning, and more to promote a healthy indoor environment. Our experienced technicians use state-of-the-art equipment to remove dirt, dust, and debris from your air ducts, leaving you with clean, fresh air to breathe.