NoVA’s Trusted AC Maintenance Professionals
Book professional air conditioner maintenance and tune-ups in Northern Virginia, including Arlington, Alexandria, and Fairfax. Prevent costly breakdowns and extend the life of your system with expert care.
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Full-Service HVAC Maintenance & Tune-Ups
For over 30 years, HVAC & Plumbing Unlimited has helped homeowners and businesses stay cool with expert AC maintenance that prevents breakdowns and cuts energy costs. We’re not just another contractor—we’re part of this community. That’s why we invest in long-term care, not quick fixes. Our certified techs deliver high-performance tune-ups built to extend system life and keep you comfortable all summer.
Call (571) 360-4520 to book your AC tune-up and inspection today!
Is AC Maintenance Really Worth It?
Absolutely—especially if you want lower energy bills, fewer repairs, and a system that actually lasts.
Professional AC maintenance isn’t just a quick cleaning. It’s a full system check—testing performance, dialing in airflow, and catching wear before it turns into a breakdown in the middle of summer. When maintenance gets skipped, systems don’t just run worse—they wear out faster and fail when you need them most.
And this is something we see all the time—
a lot of homeowners who end up replacing their AC systems earlier than expected tell us the same thing: they wish they had kept up with maintenance. What starts as small, preventable issues eventually turns into bigger failures that aren’t worth repairing.
Here’s what you gain with our certified tune-ups:
- Comprehensive system inspections to detect wear and prevent failures
- Better performance with calibrated components and optimized airflow
- Improved energy efficiency that reduces your monthly bills
- Fewer breakdowns during peak summer heat
- Extended system lifespan, helping your AC last years longer
Serving Northern Virginia for over 30 years, we know what it takes to keep your system running like new. Let our team protect your comfort and your investment.
Choose Northern Virginia’s Favorite AC Contractors
At HVAC & Plumbing Unlimited, we only hire technicians who have been fully trained in the latest industry techniques and standards. We know that major repairs can be costly, so it’s important to find someone you can trust. During an in-home consultation, we will provide you with an honest appraisal, and we’ll always try to find the least expensive method to fix your air conditioner problems. In an effort to reduce our customers’ time without cool air, we prioritize those whose systems have completely failed. Should you need a replacement or new parts, we are well-connected with all the major distributors, which enables us to quickly locate any necessary parts.
Our family has been serving families like yours for over 30 years. One of the reasons we remain in business while other companies come and go is because we are invested in this community. We’re invested in you. We’re eager to share what we know with you so you can make informed decisions.
Call (571) 360-4520 or contact us with questions.
What’s Included in Our Air Conditioner Maintenance Service
Your HVAC professional will:
- Calibrate the thermostat
- Change the oil filter
- Clean the condenser coil
- Lubricate moving parts
- Replace the air filter
We will troubleshoot/inspect these components:
- Blower motor
- Capacitors
- Compressor
- Ductwork
- Electrical components
- Electrical connections
- Fan motor/blade
- Indoor coil
- Refrigerant level
- Safety devices
- On/off operation
- Supply/return
- Valves
We will also be honest about how much longer you can expect service from your current system. If there’s an area-wide problem, our maintenance contract customers receive priority scheduling. As a priority customer, you’ll receive a 15% discount on any repairs that you might need.
Air Conditioning Maintenance FAQs
Can I do my own air conditioner maintenance?
Yes—there are a few things homeowners can handle between professional visits:
- Clear debris around the outdoor condenser unit
- Keep the indoor unit area clean and unobstructed
- Replace air filters every 1–3 months depending on usage
- Vacuum and clean vents every 30–60 days
- Use ceiling fans to help improve airflow
A professional tune-up goes much deeper—checking electrical components, refrigerant levels, airflow, and system performance.
My AC is working fine—do I really need maintenance?
Yes. Maintenance isn’t about fixing what’s broken—it’s about preventing problems before they happen.
Without maintenance, many systems struggle to make it past 8–12 years. With regular tune-ups, it’s common to extend that lifespan and avoid breakdowns during peak summer heat.
Is AC maintenance really worth it?
Maintenance saves money—plain and simple. Without it, you’ll be lucky to get 10 years out of your system. With regular maintenance, it’s common to get 5+ additional years of service.
Breakdowns tend to happen when your system is under the most strain—during extreme heat and humidity. That’s when small, preventable issues turn into full system failures.
Emergency repairs aren’t cheap. Service calls can run $50–$150 per hour, and something like a refrigerant recharge can cost $100–$350. If the system fails completely, replacement can range from $2,426–$8,900, including removal and installation.
When maintenance has been skipped, we also commonly find additional issues like airflow restrictions or ductwork problems, which adds to the overall cost.
How often should I schedule AC maintenance?
Once per year is standard—typically in the spring before heavy cooling demand begins.
If your system is older or runs heavily during the summer, maintenance becomes even more important.
What’s included in a professional AC tune-up?
A proper tune-up includes:
- Full system inspection
- Electrical component testing
- Refrigerant level check
- Airflow evaluation
- Coil and component cleaning
- Performance testing and calibration
The goal is to catch wear early and keep your system running efficiently.
What happens if I skip AC maintenance?
Small issues go unnoticed and turn into larger problems.
We regularly see systems with higher energy use, airflow problems, and premature component failure. Many homeowners end up replacing systems earlier than expected—and often wish they had kept up with maintenance.
Will maintenance lower my energy bills?
Yes. A well-maintained system can reduce energy usage by 10–20%, depending on its condition.
Even small issues like dirty coils or restricted airflow can increase cooling costs.
How long does an AC maintenance visit take?
Most appointments take about 60–90 minutes, depending on the system and its condition.
If anything stands out, we’ll explain what needs attention now and what can wait.
Do you service all types of air conditioning systems?
Yes. HVAC & Plumbing Unlimited services central air systems, heat pumps, and ductless mini-splits, and works on all major brands.
What are the most common AC issues you prevent in Northern Virginia?
We commonly prevent capacitor failures, refrigerant issues, airflow restrictions, and systems struggling to keep up with heat and humidity.
Northern Virginia’s long cooling season puts consistent strain on AC systems, especially without regular maintenance.
When is the best time to schedule AC maintenance?
Spring is ideal—before temperatures rise and your system starts running daily.
Scheduling early helps avoid delays when demand increases during the first major heat waves.
Do you provide AC maintenance in my area?
Yes. HVAC & Plumbing Unlimited provides AC maintenance throughout Northern Virginia, including Lorton, Springfield, Woodbridge, Alexandria, Arlington, Fairfax, Vienna, Reston, Herndon, Ashburn, Centreville, and Chantilly.
Summer’s Coming—Call (571) 360-4520 for a Certified AC Tune-Up Today.
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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.
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.
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You’ve heard about air pollution, but did you know your home’s indoor air could be even worse? We offer a variety of systems to take care of the air quality problems you may be experiencing, from advanced filters and scrubbers to UV light-based systems that kill many biohazards.
CONTROL HUMIDITY YEAR ‘ROUND
Muggy summers and bone-dry winters no longer need to be a problem. We offer a complete array of products that put you in control of your home’s humidity all year long. From dehumidifiers that outpower summer humidity, to whole-house humidifiers for winter comfort, we can help.