24/7 Air Conditioning, Heating, & Electrical Services in Sterling, VA
Count on United Air Temp for HVAC, plumbing, and electrical services you can depend on for your Sterling home. Our highly trained team has the latest tools and methods to solve any issue you might experience.
For over 90 years, homeowners have trusted the experts at UAT. Our team is honored to continue our tradition of service excellence.
Call United Air Temp to book home services in the Sterling area. Ask for 24/7 emergency HVAC or plumbing repair for urgent issues!
HVAC Services for Sterling Homes
Keep your Sterling home comfortable year-round with our comprehensive HVAC services, including:
Sign up for our HVAC maintenance plan to minimize wear and tear and ensure your comfort systems operate reliably for years to come. You’re guaranteed multipoint air conditioning and heating inspections, priority service, no charge for service calls, and more!
24/7 Air Conditioning Services
United Air Temp offers air conditioning solutions for all your cooling needs. Our AC services include:
- Air conditioning installation and replacement: We recommend installing a new unit if your AC is over 10 years old and needs frequent repairs.
- Air conditioning repair: Our NATE-certified technicians are available 24/7 for emergency AC repairs if your system malfunctions or breaks down.
- Air conditioning maintenance: We recommend scheduling a tune-up annually to ensure your cooling system will operate efficiently.
Heating Services
Save on your energy bills, reduce the need for repairs, and extend the life of your heater with professional heating services in Sterling. United Air Temp offers:
- Heating installation and replacement: We’ll help you select a new heating system that will meet all your comfort needs for years to come.
- Heating repair: At United Air Temp, we understand that a heating breakdown can be serious. Our expert technicians are available 24/7 for emergency heating repairs for Sterling homes.
- Heating maintenance: We recommend annual tune-ups from a certified HVAC technician. This can prevent unexpected breakdowns and costly repairs that leave you and your family in the cold.
We service gas and electric furnaces, heat pumps, ductless mini-splits, dual-fuel heating systems, boilers, geothermal heating systems, and gas fireplaces.
Indoor Air Quality Services
Many Sterling homeowners don’t realize indoor air is often more polluted than outside air. With our indoor air quality services, we can balance humidity, optimize efficiency, and eliminate airborne contaminants.
Our indoor air quality services can help you and your family breathe easier indoors, reducing the circulation of pollutants and allergens like mold, pet dander, and dust.
Rely on our experts to provide the right solution for your home. We offer:
- Humidifier and dehumidifier installation and repair
- Dryer vent cleaning
- UV air purifier installation
- Attic fan installation and repair
Electrical Services
Prioritize electrical safety in your home to prevent hazards such as fire, electric shock, and appliance damage. At United Air Temp, we offer the following electrical services to ensure you have safe and reliable power no matter what:
- Whole-home generator installation for a continuous power supply, even during an extended outage.
- Electric box replacement to ensure your home’s electrical panel meets safety standards and can support all your appliances and devices.
Local Expertise: Serving Every Corner of Sterling
From the shaded streets of Sugarland Run to the new rooftops rising near Dulles Town Center, Sterling’s neighborhoods vary as much as its weather. United Air Temp covers them all. If you live in the planned community of Cascades, you know how the breeze rolls off Algonkian Regional Park and straight into your HVAC vents. Our technicians understand that micro‑climate and will calibrate your system so upstairs rooms don’t overheat on muggy July afternoons.
Cascades Parkway
Just west along Cascades Parkway, the 1960s split‑levels of Countryside often rely on original ductwork with longer runs and tight returns. We inspect for hidden leaks, suggest right‑sized heat pumps, and balance airflow so basements stay as cozy as main floors. Homeowners in Potomac Falls benefit from the same precision. Whether your villa sits on the fairways of Lowes Island or backs to the Potomac River bluffs, groundwater humidity can strain a neglected sump pump. Ask our plumbing team about battery‑backup models that keep crawl spaces dry during summer storms.
Route 7
Heading south of Route 7, the shopping and condo clusters around Dominion Station present different challenges. Modern open‑concept floor plans trap cooking odors and pet dander. Our whole‑home ventilators and UV lights clear the air without sacrificing energy savings, and our electricians can upgrade sub‑panels so that EV chargers and smart appliances run on dedicated circuits.
Broad Run Farms
In Broad Run Farms, larger lots hide private wells and septic fields. We test water chemistry, install treatment systems, and maintain booster pumps so your fixtures run clear year‑round. If you raise horses near Arcola or garden along Gum Spring Road, we can winterize barn piping and add frost‑proof spigots before the first hard freeze.
Route 28 Corridor
Commuters along the Route 28 Corridor, Pacific Boulevard, and Old Ox Road often leave before dawn. A failing furnace at 5 a.m. is more than an inconvenience; it can burst pipes. Because we stock common parts for Carrier, Trane, Lennox, and Goodman systems on every truck, most repairs finish before your next departure. Residents near the Loudoun Gateway and Innovation Center Metro stations appreciate that same efficiency when they lose AC on a sultry August evening.
Sterling Park
Sterling’s original development, Sterling Park, features mature trees that drop leaves into outside condenser coils each fall. Our annual maintenance visits include a complete outdoor cleaning, refrigerant check, and airflow test so the first hot day in May feels like a breeze. If you own one of the new townhomes off Church Road or Waxpool Road, ask about our maintenance plan; it secures priority service, waived diagnostic fees, and multipoint inspections that protect new‑build warranties.
Forest Ridge and More
We haven’t forgotten Forest Ridge, Great Falls Chase, Fox Creek, or the river‑view estates off Algonkian Parkway. Wherever you call home—whether it overlooks Broad Run Stream Valley Park, backs to Claude Moore Recreation Center, or sits under final approach to Washington Dulles International Airport—United Air Temp stands ready 24/7.
Choose UAT for Reliable Home Services
We’re here for you whether you need urgent HVAC repairs, an electrical upgrade, or plumbing maintenance. We’re available 24/7 to respond to emergency repair needs, so rest assured that our teams will restore your HVAC or plumbing system as soon as possible.
Choose United Air Temp for:
- Upfront pricing
- Financing options on approved credit
- Special offers
- Quality craftsmanship
- On-time scheduling
- And more
Schedule HVAC, plumbing, or electrical services in Sterling by calling UAT today!
Sterling HVAC and Plumbing FAQ
How often should I replace my HVAC filter in Sterling’s climate?
Replace standard filters every 60–90 days. Homes with pets, allergies, or heavy pollen may need monthly changes.
What size heat pump do I need for a townhouse in Cascades?
Most three‑level townhomes require a 2‑ to 2.5‑ton unit, but we perform a detailed load calculation before installation.
Can United Air Temp install a sump pump in Sugarland Run?
Yes. Our plumbers handle excavation, discharge routing, and battery backup units to keep basements dry during summer storms.
Do you offer same‑day water heater repair in Potomac Falls?
Absolutely. Call before noon, and in most cases we’ll have hot water restored before bedtime.
Will a whole‑home generator affect my electrical panel permit in Loudoun County?
Our licensed electricians secure all required permits and size the transfer switch to meet county codes, so your inspection passes the first time.
How much does AC maintenance cost in Sterling Park?
A single‑system tune‑up starts at $99 before seasonal promotions. Maintenance plan members receive discounted pricing.
Are your plumbers licensed to work on gas lines near Dulles Airport?
Yes. Every technician carries state gas‑fitting certification and adheres to airport perimeter safety requirements.
What rebates are available for high‑efficiency HVAC equipment in Virginia?
Qualifying heat pumps and furnaces may earn state utility rebates and federal tax credits up to $2,000. We file the paperwork for you.











