certified company
Based on 417 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
6th year as a Best Pick Call
"We strive to provide the best services for our customer, which is why our motto is 'Select the best.' We hire only the best technicians and installers trained to work with the latest heating and cooling technology, because your satisfaction is our number one goal. Don't settle. Select us for your home comfort."

Jim Workman & Dan McCarthy | Co-presidents
Company Information
Services Offered

DM Select Services offers residential and light commercial sales, service, and installation of furnaces, heat pumps, air handlers, air conditioners, hybrid systems, ductwork, central air cleaners, humidifiers, and water heaters. The company also installs and services green products, including air scrubbers, tankless water heaters, and ductless mini-splits. DM Select offers plumbing services from simple repairs to full renovations.

The company offers a two-year labor and ten-year parts warranty on replacement heating and air conditioning systems.
Company History
Jim Workman and Dan McCarthy, both Northern Virginia natives with over 30 years of experience in the heating and air conditioning industry, oversee day-to-day operations at DM Select.
Employee Information
Employees are background checked, wear uniforms, and drive stocked vehicles.
Areas Served
Prince William, Fairfax County, Loudoun County, Arlington County
A selection of 417 homeowner reviews:
“Simply put, they are experts. The tech that came to my home was friendly, thorough, and very professional. He took ten minutes to explain the exact problem that my unit was experiencing in terms I could easily understand.”
“Jim and his team were awesome from the start of the project, to laying out the best paths for the ducts, to providing efficient heating and cooling, and ending with the final installs and cleanup. I cannot be happier with our new system for our 60-year-old home.”
“Select initially came out in response to a broken system. We got a new, efficient system, and it has worked very well ever since. It came with a ten-year transferable warranty from Select, and we have had them out twice a year ever since. Things have been good. Select has been dependable.”
“Select did an excellent job. Jim Workman and the staff are outstanding. On-time, professional, and very clean.”
“Select, especially the owner, Jim Workman, has always given me excellent service in the past.”
“Select did a great job with my system. We had a PM done and our tech was fantastic.”
“Did a good job.”
“The technician arrived as scheduled; he was extremely knowledgeable and efficient. This was one of my best experiences with any sort of home services company.”
“My renter said the tech was very professional, nice, and got the job done.”
“I had my gas heating and A/C system replaced. The new equipment recommendation was appropriate. The system has been installed for two years and performed very flawlessly. All problems encountered during installation were resolved quickly resulting in a high quality installation.”