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Call Us Today!
(703) 430-4040

About Us


Cardinal Heating & Cooling, LLC was founded in 1991, by Nelson Workman. At the time, Nelson had 35 years of experience in the industry with high expectations for his new company. Starting a family-owned business with his sons was a risky thought for a man who was putting everything he owned on the line. He knew he had the knowledge, experience, and talent to build a solid company foundation. But most of all, my father taught us his core values to be reliable, honest, professional, and respectable.

Now that my father has passed, I will personally assure that his very high standards for the company that we built together will remain the same. Cardinal Heating & Cooling, LLC was built with pride and excellence, one customer at a time, and looks forward to serving our customers for all their heating and cooling needs.

Cardinal Heating and Cooling, LLC has professionally-trained-and-certified technicians. We strive for perfection when working with our customers. From service, repair, design, and installation, our goal is your comfort and we will work until you are satisfied.

  • Master HVAC License
  • Master Gasfitters License
  • Class A VA Contractors License
  • EPA Certified
  • NATE Certified
  • Better Business Bureau A+ Rating

Business Hours

Mon: 08:00 AM - 06:00 PM
Tue: 08:00 AM - 06:00 PM
Wed: 08:00 AM - 06:00 PM
Thu: 08:00 AM - 06:00 PM
Fri: 08:00 AM - 06:00 PM
Sat: 08:00 AM - 04:00 PM
Sun: Closed


504 Shaw Rd Ste 221
Sterling, VA 20166

In Business Since 1990