D&A Service Company delivers exceptional comfort for your home or business. Since 1981, our highly skilled technicians have built decades of experience providing exceptional HVAC maintenance, repair, and installation services for all your needs. We’re here for you 24/7 with emergency service, so you can always breathe easy knowing your home’s climate is under control.
We offer a wide range of HVAC equipment to meet your needs, including air conditioners, furnaces, air handlers, boilers, ductless systems, heat pumps, and water heaters (tanked & tankless).
Our services include HVAC maintenance, repair, and installation for residential and commercial properties. We also offer 24/7 emergency service.
We provide expert installation, repair, and maintenance services for all types of air conditioning systems.
We specialize in furnace installation, repair, and maintenance, ensuring your home stays warm and comfortable throughout the winter.
We offer comprehensive air handler services, including installation, repair, and maintenance.
We are experts in boiler installation, repair, and maintenance, providing efficient and reliable heating solutions.
We install and service ductless heating and cooling systems, offering customized solutions for individual rooms or zones.
We provide expert heat pump installation, repair, and maintenance, maximizing energy efficiency and comfort year-round.
We offer indoor air quality solutions, including air purifiers, humidifiers, and ventilation systems, to improve the air you breathe.
We install and service both tanked and tankless water heaters, ensuring a constant supply of hot water for your home.
Regular HVAC maintenance is essential for optimal performance and longevity. We offer comprehensive maintenance plans to keep your system running smoothly.
We provide HVAC services for commercial properties, including installation, repair, and maintenance of large-scale systems.
We are fully licensed and insured, providing you with peace of mind and protection.
Our highly skilled technicians have decades of experience providing exceptional HVAC services.
We are available 24/7 for emergency HVAC repairs, ensuring your comfort and safety.
Licensed by the Maryland HVAC Board.
Licensed by the Washington Suburban Sanitary Commission.
Licensed by the District of Columbia.