HVAC
Heating | Ventilation
Air Conditioning
Check Out What People Are Saying About Our HVAC Services
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We have been using RS Gregory for over 20 years. Steve has installed and maintained our heating and air conditioner units in addition to our hot water unit. Steve is very honest and does a great job. They are a top notch company which we will continue to use whenever we need service. 
Carlos V
May 19, 2021 - Always great dependable service. Gets the job done on time at a reasonable cost. Out 1st choice for all things heat & ac related.
Stephen Grant
January 20, 2021 - Steve and his team did an amazing job! They fixed our HVAC, replaced the coil (and fought for us to get the warranty applied), installed a new return grill as well as a new water heater. Very pleasant and on time. Great experience, not your typical “sales man”.
Antoine Tresca
November 21, 2020 - Steve & his team did a great job upgrading our HVAC system! We were very pleased with the removal of our old monster system & the installation of a larger, much quieter one. He helped us keep the old one running much longer than it should have. Thanks Steve!
ML PUT
April 22, 2020 - I was referred to RS Gregory by my plumber after having repeated furnace failures that were misdiagnosed by a large, well-known HVAC sales and service company - with large bills to go with each unsuccessful repair call. RS Gregory quickly diagnosed the issue - correctly. They also took extra steps to provide visual confirmation that their diagnosis was correct, so I could see and confirm it, myself. They've always been extremely honest and fair and also stand behind their work. Most recently, they replaced my HVAC system with a really nice Amana system that I love. They also went above and beyond by helping me troubleshoot a new thermostat - they didn't need to do this and could have easily categorized this as a separate / new call, but they didn't. I can't say enough positive things about them and plan to be a customer for many years to come. Highly recommend!
andy
January 6, 2020 - Gregory HVAC has always done a great job servicing my heating and air units and correctly has diagnosed and fixed any issues that have come up with my units. I highly recommend Steve and his company!
Joan Kasprowicz
October 27, 2019
Reliability
We’re here when you need us.
Integrity
We believe in an honest approach to our work.
Satisfaction
We exceed expectations.
AC Repair
Our technicians at RS Gregory Heating and Air have the experience to repair all your residential AC systems. Our HVAC technicians are trained and experienced to diagnose & repair the issues you’re having with your air conditioning system. If you are looking for a credible and reliable HVAC company in Northern Virginia that you can trust to get things fixed right, then call RS Gregory Heating and Air Conditioner today for a free estimate. No AC or heater job is too big or small. The experts at RS Gregory use the latest technology and offers the best AC deals in town and in Northern Virginia.
Air Conditioning Maintenance
At RS Gregory we offer the best, hassle-free air conditioning maintenance in town. Whether you need someone to change your AC filter or inspect your system, RS Gregory Heating and Air can help. We keep your air conditioning systems working at their best. We offer reliable and efficient HVAC repair services in areas of Virginia such as Sterling, Ashburn, and Herndon. Don’t risk leaving your AC vulnerable. Call us today to avoid expensive air conditioning repairs or replacements. We can spot a faulty AC from a mile away.
Air Conditioning Installation
Our experienced air conditioning techs will take care of any air conditioning installation needs. RS Gregory Heating and Air has over 35 years of experience providing professional air conditioning installation services. We can ensure your new cooling system is installed according to the highest standards. We guarantee every installation we make, and if it’s not, we go back till it’s right.
Furnace Repair
RS Gregory understands that when heating isn’t working correctly, it is a significant issue. We are here to help the process easy and quick. We offer emergency repair.
Furnace Maintenance
RS Gregory inspects everything from the filter to the burner. Your furnace is made up of different parts, each of which must be in good condition for your furnace to work effectively.
If any one of these individual components breaks down, it could significantly impact the operation of your furnace.
RS Gregory Heating and Air can quickly diagnose and repair your furnace.
We have over 35 years of experience. We have the know-how and skills needed to keep your furnace functioning at its highest capacity. We also make sure to stay up to date on all information regarding heating and cooling systems. We are the right choice for all your furnace repair needs in Sterling, VA, and surrounding areas.
AC Installation
At RS Gregory Heating and Air, we understand when your air conditioning system is not working properly, it can be incredibly frustrating. That is why we offer AC Installation for those AC units that are constantly giving you the hassle. There are times where it is better and more cost-efficient to replace your AC unit instead of repairing it every few months. Our trained technicians will give you full details to help you make an informed decision on your AC unit.
Services
Gregory Heating and Air Conditioning has been in the business for over 30 years and we’ve been lucky enough to learn a thing or two over those years. We’ve even worked hard to make sure that our staff knows the most up-to-date information about all of your heating and cooling needs. Keeping you cool and warm is our goal!
Our services include:
Water Heaters
Gas Unit Heaters
Rooftop Attic Fans
Electric Unit Heaters
Rooftop Package Units
Boilers
Furnaces
Heat Pumps
Thermostats
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