KD Mechanical is a family-owned and operated company serving the greater Washington, D.C. metropolitan area including all of Fairfax and Loudoun Counties. With over 50 years of combined experience, we pride ourselves on providing expert service and the very best solutions for all our customers’ heating, air conditioning and water heater needs. Our goal is to provide you with the best service at a fair price. We do not try to sell you more than you need, but rather recommend what is necessary, and provide you with all the information pertaining to your specific needs and let you decide what’s best for you.

Residential Heating, Air Conditioning and Water Heater Repair & Service

No matter the size of your project, we can help you be more comfortable at home. We provide routine maintenance , as well as installation and repair services for all makes and models of heat pumps, air conditioners and water heaters.

Commercial HVAC Service

We proudly offer HVAC services for commercial mechanical installations including:

  • Tenant build-out
  • Commercial renovation
  • IT/LAN room
  • Mission-critical systems
  • Complete duct systems
  • Glycol systems
  • DX systems
  • Air-to-air systems
  • Water source heat pumps

KD Mechanical is a family-owned and operated company serving the greater Washington, D.C. metropolitan area including all of Fairfax and Loudoun Counties. With over 50 years of combined experience, we pride ourselves on providing expert service and the very best solutions for all our customers’ heating, air conditioning and water heater needs. Our goal is to provide you with the best service at a fair price. We do not try to sell you more than you need, but rather recommend what is necessary, and provide you with all the information pertaining to your specific needs and let you decide what’s best for you.

Residential Heating, Air Conditioning and Water Heater Repair & Service

No matter the size of your project, we can help you be more comfortable at home. We provide routine maintenance , as well as installation and repair services for all makes and models of heat pumps, air conditioners and water heaters.

Commercial HVAC Service

We proudly offer HVAC services for commercial mechanical installations including:

  • Tenant build-out
  • Commercial renovation
  • IT/LAN room
  • Mission-critical systems
  • Complete duct systems
  • Glycol systems
  • DX systems
  • Air-to-air systems
  • Water source heat pumps