Find the 5 Best Air Conditioning Companies in Gaithersburg, MD

Presidential Heating & Air Conditioning provides expert HVAC installation, repair, and maintenance services for residential and commercial clients. Since 1982, we've delivered energy-efficient heating, cooling, and air quality solutions with 24/7 emergency response availability. Our Carrier-certified technicians serve Gaithersburg, Washington DC, and surrounding Maryland areas with transparent pricing and customer-first service guarantees.

Harvey W Hottel, Inc. provides comprehensive commercial HVAC and plumbing services, specializing in geothermal systems, preventative maintenance, and LEED-certified projects. With decades of expertise, we deliver energy-efficient solutions tailored to diverse client needs across the DC Metropolitan Area.

J & K Air Conditioning & Heating delivers reliable HVAC solutions in Gaithersburg, MD and surrounding areas. We specialize in system installations, emergency repairs, and proactive maintenance for residential and commercial properties. With over 40 years of experience, we combine technical expertise with customer-centric service to ensure optimal indoor climate control.

James A Wheat & Sons provides comprehensive residential plumbing, heating, and HVAC services across Maryland and Washington, DC. As a family-owned business since 1985, we combine technical expertise with personalized service, offering 24/7 emergency support, energy-efficient solutions, and lifetime warranties. Our NATE-certified technicians deliver reliable repairs, installations, and maintenance with upfront pricing and 100% satisfaction guaranteed.

DMR Associates provides commercial HVAC equipment sales, retrofit solutions, and technical support across the Washington DC metro area. Specializing in custom environmental systems for data centers, healthcare facilities, and government buildings, we offer design-assist services, factory-trained technicians, and comprehensive parts support. With over 50 years of industry experience, we prioritize energy efficiency, acoustic optimization, and minimal tenant downtime during retrofits.