Business Details
35 Years
experience
Emergency
services
Your Trusted HVAC Partner in Sterling, VA
For nearly three decades, our family-owned business has dedicated itself to ensuring the comfort of homes and businesses throughout Fairfax and Loudoun Counties. Established in 1991 by HVAC industry veteran Nelson Workman, we built our reputation on honesty, reliability, and professionalism. Our NATE-certified technicians provide prompt, efficient heating and air conditioning services, including repairs, maintenance, and system installations.We prioritize customer satisfaction through transparent flat-rate pricing, free estimates, and financing options with approved credit. After Nelson's passing, his son Tod Workman continued his legacy, maintaining our commitment to high-quality service and long-term customer relationships. Our team remains dedicated to creating comfort for every client, one at a time, while upholding the core values that have defined us since our founding.
Services
HVAC Services
Air Conditioning
Heating
Ductless Mini Splits
Details
- Year established: 1991
Highlights and features
- We offer upfront flat-rate pricing with no hourly surprises
- Our technicians are NATE-certified for highest industry standards
- We prioritize repairs over replacements whenever possible
- We build lifetime relationships through consistent, reliable service
- Our family legacy ensures trusted HVAC expertise since 1991
Associations and certifications
- NATE-certified
- Trane Certified Dealer
What people say
Trusted HVAC service
No surprises
Highest standards
Lifetime relationships
Family legacy expertise
Services
HVAC Services
Our comprehensive HVAC services include system installations, repairs, and maintenance for residential and commercial properties. We specialize in ensuring year-round comfort through reliable heating and cooling solutions. Our NATE-certified technicians use advanced diagnostic tools to identify issues and implement effective fixes.
Air Conditioning
We install, repair, and maintain air conditioning systems to keep your space comfortable during hot months. Our technicians diagnose cooling inefficiencies and recommend energy-efficient upgrades. Emergency service is available for urgent cooling system failures.
Heating
Our heating services cover furnace and boiler installations, repairs, and seasonal maintenance. We ensure optimal performance through thorough inspections and component replacements. Emergency heating repairs are prioritized during cold weather months.
Ductless Mini Splits
We provide ductless mini-split installation and maintenance for homes without traditional ductwork. These energy-efficient systems offer zoned temperature control. Our technicians handle both residential and commercial ductless system installations.
People
Nelson Workman
Founder
HVAC industry veteran with 35 years of experience who established Cardinal Heating & Cooling in 1991. Built the company on core values of honesty and reliability before passing leadership to his son Tod.
Tod Workman
Current Owner
Son of founder Nelson Workman, now oversees daily operations while maintaining his father's legacy. Ensures continued commitment to quality service and customer satisfaction across all projects.
Questions
What HVAC services do you offer in Sterling, VA?
We provide heating, air conditioning, ductless mini-split systems, repairs, maintenance, and installations with NATE-certified technicians.
Are your technicians certified?
Yes, all our technicians are NATE-certified, meeting the highest industry standards for HVAC expertise.
Do you offer emergency HVAC services?
Yes, we respond promptly to urgent heating and cooling needs in Fairfax and Loudoun Counties.
What financing options are available?
We offer financing through Wells Fargo with approved credit for system installations and major repairs.
Why choose Cardinal Heating & Cooling?
Our family-owned business combines 30+ years of experience, transparent pricing, and long-term customer relationships built on trust.
