FAMILY OWNED AND OPERATED SINCE 1980
When Frank Garneski started Garneski Air Conditioning & Heating more than 40 years ago, he did so with a vision of helping residents of the Sterling area take back their indoor comfort.
Today, he has not only achieved that dream, but he has also earned a reputation for being “Mr. Indoor Comfort.” When you find yourself in need of air heating and cooling services, there’s no better place to turn to than Garneski Air Conditioning & Heating!


DISCOVER AND LEARN
Transitioning Your Heat Pump
One reason VA homeowners love heat pumps is they function as an all-in-one unit. Instead of purchasing and maintaining a separate furnace and air conditioning system, you can simply transition your heat pump from the heat setting to the cooling setting and vice versa as seasons warrant.
Video – Why Does My Heat Pump Smell Like It’s Burning?
You turn on your heat pump, and you smell something burning. What should you do? Who should you call first, the fire department or your HVAC technician?
5 Ways to Improve Your Indoor Air Quality
What do you think of when you hear about air pollution? You might immediately imagine a giant cloud of smoke, cars spewing exhaust, or a trash incinerator––but have you ever thought about your own home in Sterling?

Air Conditioning Maintenance in Fairfax, VA
“Oscar Diaz performed inspection of AC. He did a thorough job and made sure that all rooms were cool. He is careful, thorough and a true professional.”
Maintenance Service in Sterling, VA
“Garneski has installed HVAC units and water heaters in our home and my Mother-in-law’s home. Everyone we’ve dealt with has been professional, courteous, thorough and knowledgeable. They are on time and communicate well. Annual maintenance is easy to set up and their standard plan is very reasonable.”
Water Heater Installation in Ashburn, VA
“Oscar Diaz was the technician assigned to change our water heater. He was knowledgeable, polite, courteous. He ensured that the job was completed in its entirely and make sure that I understood the new perks of the water heater. I would recommend him 100%” -Maria R.
OUR EXPERT TEAM IS STANDING BY TO HELP YOU WITH ALL YOUR HVAC NEEDS!
There’s no worse feeling than coming home on a hot summer day to find that your air conditioning unit has broken down, or shivering through a winter night because your furnace isn’t working as efficiently as it should. That’s where Garneski Air Conditioning & Heating comes in. Our team of highly skilled technicians and customer service representatives work together to help you find the perfect solution to your HVAC problems!
Give us a call for HVAC service Monday through Friday. Whatever your heating and AC needs, you can always count on us to get the job done right the first time. We take time to inspect your HVAC unit, properly diagnose the problem, and find a permanent solution. To avoid severe HVAC issues in the future, make sure to ask about our preventative maintenance service agreement!
OVER 40 YEARS OF EXPERIENCE!
NEXSTAR MEMBERS AWARD WINNER
FLAT-RATE
PRICING
NO SUB CONTRACTORS
A+ RATED BBB ACCREDITED
FINANCING
We believed payment and credit could be an asset that empowers and enables commerce, not a distraction or impediment. Today, GreenSky delivers a service that helps business grow and delight their customers.
WE DO IT ALL!
AC Repair and Maintenance
AC Installation
Heating Repair and Maintenance
Heating Installation and Replacement
Evaporator Coil Services
Air Handler Services
Furnace Repairs
Heat Pump Services
Dehumidifiers
Thermostats
Water Heater Services