Compare 5 Local HVAC Contractors in Gaithersburg, MD

Diversified HVAC is a family-owned commercial HVAC service provider established in 1990. We specialize in installation, maintenance, and emergency repair of heating, ventilation, and air conditioning systems for businesses across Maryland, Washington DC, and Northern Virginia. Our 30+ years of experience serve property managers through tailored solutions including split AC units, chillers, boilers, and air purification systems.

Harvey W Hottel, Inc. delivers comprehensive HVAC and plumbing solutions for commercial and residential clients in the DC Metropolitan Area. With 75+ years of experience, we specialize in LEED-certified projects, geothermal systems, and preventative maintenance. Our family-owned business combines technical expertise with sustainable practices to ensure energy efficiency and client satisfaction.

Mallick Plumbing & Heating provides comprehensive residential and commercial plumbing services in Gaithersburg, MD. Specializing in water heater repair, drain cleaning, and trenchless sewer solutions, we combine advanced technology with traditional craftsmanship. Our licensed technicians deliver 24/7 emergency services and prioritize customer education to prevent future issues.

Rod Miller HVAC provides expert heating, ventilation, and air conditioning services across Maryland and Washington, D.C. With over 50 years of experience, we specialize in system repairs, installations, and preventative maintenance agreements designed to maximize efficiency and longevity. Our customer-first approach combines technical expertise with personalized service to ensure reliable climate control for residential and commercial properties.

America's Green Heating & Air Conditioning provides expert HVAC installation, repair, and maintenance services across Maryland. Specializing in energy-efficient solutions for residential and commercial properties, we prioritize customer satisfaction through certified technicians, 24/7 emergency support, and tailored consultations. Our commitment to quality ensures reliable heating, cooling, and indoor air quality systems that enhance comfort and reduce energy costs.