Full AC & Heating Service in Ashburn, VA
Reliable AC and heating service in Ashburn, VA from HVAC & Plumbing Unlimited, covering repairs, installations, and routine maintenance. Call (571) 360-4520 today for service.
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Local Specialists Serving Your Neighborhood Since 2006
HVAC & Plumbing Unlimited handles everything needed to keep your system running the way it should—from fast diagnostics and targeted AC repairs to full system installations, replacements, and seasonal maintenance. Each service is approached with your home in mind, whether that means improving airflow, addressing efficiency issues, or making sure a new system is properly sized and set up for long-term performance. When cooling issues come up or it’s time for an upgrade, the focus is on reliable comfort that holds up through the hottest parts of the season.
Call (571) 360-4520 today for Ashburn AC repair, installation, or service.
Complete Ashburn Heating & Air Conditioning Services
Your home’s cooling and heating system has many moving parts, and you need a partner who can handle every one of them. That’s why Ashburn homeowners turn to us for:
24/7 EMERGENCY SERVICE
If you’re having a home emergency, you don’t want to wait a minute too long. That’s why our technicians and plumbers are available to solve problems 24 hours a day, and that includes weekends and holidays. After all, things always break at inconvenient times.
AIR CONDITIONING REPAIR
Northern Virginia summers are getting hotter, and if your air conditioner isn’t keeping up, we’re here to help! Learn more about our fast and reliable AC repair services to restore your home’s comfort and keep you cool all season long.
AC INSTALLATION
Need a new air conditioner? We’ll help you choose the right system for your home and install it with expert precision. From energy-efficient upgrades to full replacements, our Lorton-based team makes sure your new AC is built to last and ready to handle the summer heat.
PREVENTIVE MAINTENANCE SERVICES
If you keep your home’s systems operating efficiently, they’re much less likely to break down. That’s how preventive maintenance saves you money. We’ll clean and check your equipment to make sure it’s performing at is best — or fix it if isn’t.
DUCTLESS MINI-SPLIT SYSTEMS
Looking for a practical and affordable way to add air conditioning to a new part of your home or improve the temperature in a room that just never gets comfortable? Ductless mini-split systems are powerful wall- or ceiling-mounted devices that heat and cool without expensive ductwork.
HEAT PUMP SERVICES
Stay comfortable year-round with expert heat pump services. We provide fast repairs, professional installations, and preventive maintenance tailored to Northern Virginia homes.
FURNACE INSTALLATION
Upgrade your heating system with expert furnace installation from HVAC & Plumbing Unlimited. We install high-efficiency gas, electric, and oil furnaces tailored to your home’s needs—backed by certified technicians, trusted Carrier products, and a 100% satisfaction guarantee.
Furnace Repair & Replacement
Get fast, reliable heating repair from Arlington’s trusted furnace experts. Available for emergency service, we repair all furnace types and brands to restore comfort and safety in your home — wherever you live in Arlington, VA.
AFFORDABLE WELLS FARGO FINANCING
Money should never get in the way of your family’s safety and comfort. We’ve arranged special payment options through Wells Fargo Financing that let you start enjoying your new system or repairs right away and pay for it over several months.
Because we cover the full range of AC services — repair, installation, replacement, maintenance, ductless systems, and indoor air quality — you don’t need to juggle multiple contractors or guess who to call. With HVAC & Plumbing Unlimited, every aspect of your home’s cooling is taken care of by one trusted local team.
Ready to book your service? Call (571) 360-4520.
What You Can Expect When You Call Us
Choosing an HVAC company isn’t just about technical skills — it’s about knowing you’ll get fast help, clear communication, and solutions that last. Ashburn homeowners turn to HVAC & Plumbing Unlimited because they know what to expect every time they call us.
Fast response across Ashburn.
We serve neighborhoods throughout Loudoun County every day. That means when your AC stops working, we’re close enough to get to you quickly — no long waits when comfort can’t wait.
Experienced technicians.
With decades of service behind us, our licensed HVAC professionals bring proven expertise to every job. From rooftop units to custom ductwork, we have the skill to solve problems big or small.
Complete comfort solutions.
We go beyond AC repair and installation. Our services include:
- Heating repair and installation
- Indoor air quality checks
- Energy-efficiency audits
- Equipment from trusted brands like Carrier, Trane, Honeywell, and Aprilaire
Straightforward, dependable service.
We’ll explain your options clearly, recommend what fits your home and budget, and complete the work to the highest standards — no gimmicks or unnecessary upsells.
From the moment you schedule service to the time our technicians leave your driveway, our goal is simple: make sure your home is comfortable, your system is running reliably, and you feel confident in the work we’ve done. It’s this combination of professionalism and peace of mind that keeps Ashburn families calling us season after season.
Serving Ashburn Neighborhoods
We’re proud to serve the entire Ashburn area — from Brambleton and Broadlands to Belmont Ridge, Ryan Park, and the Village of Ashburn. Each neighborhood has its own style of homes, and we’ve worked in everything from modern townhomes to larger single-family homes. That local experience means we understand the unique cooling needs of Ashburn families, whether it’s dealing with high humidity, tight attic spaces, or the demand for more efficient systems in newer builds.
Call (571) 360-4520 and we’ll get a local AC technician over.
AC & Heater Replacement
Few things are more frustrating than an heating and cooling system that keeps breaking down, especially when the weather is at its worst. When you’ve already paid for repairs more than once and the system still won’t hold up, it’s natural to wonder if you’re just throwing money away. That’s the moment when many Ashburn homeowners ask the same question: “Should I fix this again, or is it time for a new system?”
Knowing When Repair Isn’t Enough
We’ve been there — and we don’t recommend replacement unless it truly makes sense. But there are clear signs it’s time to stop repairing and start fresh:
- Your system is 10–15 years old and well past its prime.
- You’re dealing with frequent breakdowns or expensive repair bills that could easily add up to the cost of a new unit.
- It still runs on R-22 refrigerant, which is nearly impossible to get and extremely expensive.
- Your home never feels evenly cool — some rooms are too warm, others are freezing.
- Energy bills keep creeping higher no matter how well you maintain it.
What You Gain With a New System
Choosing replacement isn’t just about avoiding another repair call — it’s about putting those dollars into something that pays you back:
- Reliability: No more worrying about whether the system will hold up during the next heat wave.
- Efficiency: Modern units cool better while using less energy, lowering monthly bills.
- Comfort: Even cooling throughout the house, plus cleaner air and quieter operation.
- Peace of mind: Full manufacturer warranties and professional installation that ensures it’s sized correctly for your Ashburn home.
Installation Options That Fit Your Home
Every house is different, and every homeowner has different priorities. We install:
- Central AC systems for whole-home comfort.
- Heat pumps that handle both cooling and heating efficiently.
- Furnaces for dependable heating during colder months
- Ductless mini-splits for rooms, basements, and spaces without ductwork.
- Custom ductwork and retrofits, ideal for older or historic Ashburn homes.
Replacing your heating or cooling system is never an easy decision, and that’s understood. You’ll always be walked through the options with a clear, honest recommendation—if a repair still makes sense, that’s the route to take. But when replacement is the better long-term solution, the focus shifts to getting a system that’s properly sized, correctly installed, and built to keep your home comfortable year-round for years to come.
Call (571) 360-4520 for prompt local service.
FAQs
How quickly can you get to my home in Ashburn for AC service?
Response times depend on demand, but service is available throughout Ashburn with priority given to urgent cooling issues—especially during peak summer temperatures.
Do you offer emergency HVAC service in Ashburn, VA?
Yes, emergency HVAC service is available for situations where your system stops working during extreme heat or cold.
How much does AC installation cost in Ashburn?
Most AC installations range from $8,000–$17,000+ depending on system size, efficiency, and any ductwork or electrical upgrades. Pricing is provided upfront so you know exactly what to expect.
How do I know if I should repair or replace my AC system?
If your system is over 10–15 years old, needs frequent repairs, or isn’t cooling your home evenly, replacement may be the better long-term option. New systems are more efficient and reliable.
Do you service all types of HVAC systems?
Yes, service covers central air systems, heat pumps, furnaces, and ductless mini-splits across all major brands and models.
What maintenance does my AC system need each year?
Annual maintenance includes cleaning coils, checking refrigerant levels, inspecting electrical components, and making sure the system is running efficiently before peak cooling season.
What areas around Ashburn do you serve?
Service is available throughout Ashburn, including neighborhoods like Broadlands, Brambleton, Ashburn Village, Ashburn Farm, and Belmont Country Club, along with surrounding Northern Virginia communities.
Can you help choose the right AC system for my home?
Yes, system recommendations are based on your home’s size, layout, insulation, and existing ductwork to ensure proper performance and efficiency.
Contact us online or call (571) 360-4520 for fast, local service.
What Ashburn Homeowners Say About Us
Kari – Ashburn, VA
I have an older HVAC system and knowing I have the maintenance program with HVAC makes me feel at ease since they go twice a year to check our system. As of now they have been able to identify items that needed to be changed or cleaned in order to have our system in great condition which in the long run was going to save us $$$. I think they have been pretty reasonable about what needs to be done and on price.
Hillmann – Ashburn, VA
Rony was great. I became a fan of your technicians when you replaced our furnace in January. And today’s was no surprise to me. Showed up when you said you were, and gave me piece of mind on the quality of AC for this hot summer. Thanks!
Holly – Ashburn, VA
Excellent service! They were very professional, friendly, fast and affordable. We definitely recommend HVAC Unlimited Inc.
Dan – Ashburn, VA
Professional, polite, and thorough. Made sure to go over everything throughout the service call so I understood the issues and solutions.
Jennifer Elidon – Ashburn, VA
Great job!
Venkat – Ashburn, VA
Highly recommend
Carol – Ashburn, VA
From scheduling to completion of the job, I was very pleased with the service. Jermaine was on time, diagnosed my problem, and made the necessary repairs, all efficiently, neatly, and respectfully.
Rick – Ashburn, VA
Great job!
Carol – Ashburn, VA
Have been using HVAC Unlimited for years, and am always pleased with the quality of the workmanship. Today was no exception, as Ned was quick, efficient and clean as usual. He is always on time, communicates with me, and I am left confident that my systems are ready to face the challenges of the coming winter. I think the cost of the maintenance agreement is fair and worth it!
Joe – Ashburn, VA
Jermaine was very personable, knowledgeable, professional, and efficient. He got straight to work and made a few helpful recommendations about my A/C system, one that I acted on and one that I needed to think about. He was straightforward about how urgent the service was and did not try to pressure me at all. I had several questions about my system overall and he took time to explain, and show me how things worked. The “paperwork” was all electronic and I received an invoice and summary of service (via email) within 10 minutes of him leaving. Very happy with the experience!