Vernon The Heating & Cooling Specialist - Sterling's Emergency HVAC Repair
42655 Trade W Dr, Sterling, VA 20166
Question Answers
Why is proper HVAC installation so important for my Sterling home?
An improper installation can lead to system inefficiency, which directly impacts your energy bills. In fact, a poorly installed system can cause homeowners to overpay on utilities by up to 25%. For Sterling residents dealing with high energy costs, our NATE-certified technicians ensure your new furnace, air conditioner, or heat pump is installed correctly from the start. We follow precise manufacturer specifications and perform thorough testing, which is why we back our installations with a 'No Lemon' guarantee—to provide long-term reliability and efficiency for your home.
What does your HVAC maintenance plan include?
Our preventive maintenance plans are designed to keep your system running smoothly and help avoid costly emergency repairs. A typical visit includes a comprehensive check of your system's key components: cleaning coils, checking refrigerant levels, inspecting electrical connections, and calibrating thermostats. For Sterling homeowners, this regular care is crucial for maintaining efficiency, especially before our hot, humid summers and chilly winters. These scheduled check-ups can extend the life of your equipment and help maintain its manufacturer's warranty.
What should I do if my heat pump isn't switching between heating and cooling?
If your heat pump in Sterling is stuck in one mode or isn't reversing properly, it's often an issue with the reversing valve—a common local repair need. Don't ignore it, as this can strain the system and lead to further damage. Our certified specialists are trained to accurately diagnose and repair reversing valve issues and other heat pump malfunctions. We offer same-day service for many repairs and stand by our work with a strong guarantee: if we don't fix your system right, the repair is free.
Company Background
Since 1972, Vernon Heating & Air Conditioning has been the trusted heating and cooling specialist for homes and businesses in Sterling, VA and the wider DC metro area. As a licensed, full-service HVAC contractor, we provide expert installation, repair, and maintenance for air conditioners, furnaces, heat pumps, and boilers. Our team of NATE-certified technicians is committed to getting the job done right the first time, backed by strong guarantees like our 100% satisfaction promise and a 'No Lemon' guarantee on new installations. We understand the unique climate challenges of Northern Virginia and offer 24/7 emergency service and preventive maintenance plans to help Sterling residents stay comfortable year-round.
Services Offered
- HVAC installation or replacement
- HVAC system maintenance
- HVAC system repair
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |

























