Skip to main content
AC Maintenance

Our exceptional customer service and lasting results are what sets us apart as a Plumbing & HVAC company in the South Charleston & surrounding areas.

Expert AC Maintenance in South Charleston & Kanawha Valley

Do you live in the Kanawha Valley and need reliable AC maintenance to stay cool all summer? When you schedule AC maintenance with Mullen Plumbing, Heating, and Cooling, you’ll have the peace of mind knowing you’re saving money and avoiding unsafe temperatures in your home. We’ve served the area for over 70 years and have an outstanding reputation for excellence, professionalism, and competitive prices.

Mullen Plumbing technician performing routine ac maintenance on an outdoor unit in South Charleston.

What Happens During Air Conditioner Maintenance?

When you schedule your seasonal AC maintenance, our technicians will perform several tasks that help your device function at peak performance. You’ll obtain a comprehensive inspection, the following tasks, and more:

  • Filter replacement is an essential part of maintenance because a dirty filter causes several issues with your device.
  • Coil cleaning can prevent your device from overheating.
  • Duct cleaning provides airflow optimization and keeps pollutants out of your home, &  help with Indoor Air Quality.
  • With an AC maintenenace, you won’t use as much electricity, and your home or business will cool down much more quickly.
  • By tightening loose connections, our technicians can ensure you don’t experience any power issues.
  • The HVAC expert will also test your thermostat to confirm it doesn’t have any calibration issues, damage, or dead batteries.

The Long-Term Benefits of Regular AC Maintenance

To maximize system efficiency, you should schedule professional AC maintenance every spring or sign up to join our Advantage Club that offers tons of great savings while maintaining your unit to stay in peak performance. Many property owners schedule it in the spring so they feel confident their air conditioner will run throughout the summer. When you prioritize annual maintenance, you obtain several benefits.

Improved Energy Efficiency

Maintenance lubricates your device and tightens all components so your air conditioner doesn’t experience as much wear and tear. It keeps your cooling system running efficiently, and according to the Department of Energy, proper maintenance is the best way to ensure you use less electricity to keep your home comfortable.

Extended Life Expectancy

Your air conditioner has an average life expectancy of between 15 and 20 years. However, without regular AC maintenance, it can break beyond repair in just a decade. With routine AC maintenance and moderate usage, some homeowners find their air conditioner lasts longer than expected.

Enhanced Comfort

You deserve to feel comfortable in your home, and customers deserve to feel pleasant in your business. Regular maintenance helps keep your air smelling fresh and feeling cool. You won’t have to worry about contaminants that make your allergies worse. Because it increases efficiency, maintenance also helps your air conditioner cool at a reasonable pace. You won’t have to wait for hours for it to lower your interior temperature by just a few degrees.

Reduced Repair Frequency and Severity

Maintenance fixes minute problems before they start affecting the performance of your air conditioner. The reduced wear and tear means you won’t need repairs so often. Until the air conditioner reaches an advanced age, the repairs you do need should also remain more affordable.

Long-Term Savings

All the benefits that maintenance grants provide increase how much money you save in the long term. From lower energy bills to avoiding early replacement, you should always consider a check-up a prudent investment. When you work with the best technicians at Mullen Plumbing, Heating, and Cooling, you’ll optimize your benefits even more.

Why Mullen Plumbing, Heating, and Cooling Provides the Best Maintenance

Why should you choose Mullen Plumbing, Heating, and Cooling for annual maintenance?

Reputation

How many businesses do you know that can maintain a near-perfect five-star rating for over 70 years? We’re the number-one-rated HVAC provider in the South Charleston area because we consistently leave our customers satisfied.

When you ask your friends or neighbors who you should choose for air conditioning services, many will say our name first. Our satisfied customers keep returning to us for service, so you know we produce great results.

Professionalism

Our team always remains professional, even in the most stressful situations. You’ll never feel embarrassed to have us around your family because we always act with decorum. We respect your time by always arriving promptly and leaving your home clean after we complete our work.

Expertise

Over our decades of service, we’ve developed considerable knowledge and expertise. However, we don’t rely on what we’ve done to determine what we could do. We’re always learning and staying current on the most modern HVAC technology and techniques.

Book Your AC Maintenance and Tune-Up Today

Don’t rely on a less experienced company for the important task of AC maintenance. With over 500 years of combined experience, you can rely on our team at Mullen Plumbing, Heating, and Cooling to perform a meticulous inspection and fix any problem before it becomes serious. No matter what type of cooling system you have, we can help. Call us or request service online to book your AC maintenance today! 

Emergency Services

For unforeseen emergencies and fast response needs, please contact Mullen Plumbing, Heating & Cooling as soon as possible at (304) 744-3221.

Need A Professional?

Mullen Is here to help!

AC Maintenance FAQs

How often should I really have my AC maintenance done?

Customer: “So, how often do I really need to get this thing looked at? I mean, it seems to be working fine.”

Mullen Tech: “Great question! I recommend having your AC serviced once, if not twice a year, ideally in the spring before summer really kicks in. Even if it seems fine now, regular maintenance helps catch small issues before they turn into big, expensive repairs—plus, it keeps your unit running efficiently so you’re not overpaying on energy bills. Luckily, here at Mullen Plumbing, Heating & Cooling we have the Advantage Club maintenance plan that helps keep your house running in comfort year round!”

What is included in an AC maintenance tune-up?

Customer: “Okay, so what exactly are you doing when you ‘service’ the AC? I always hear ‘maintenance,’ but what does that mean?”

Mullen Tech: “I get that—most folks wonder the same thing. So, a few important tasks we like to accomplish when giving you our comprehensive inspection:

  • Filter replacement is an essential part of maintenance because a dirty filter causes several issues with your device.
  • Coil cleaning can prevent your device from overheating.
  • Duct cleaning provides airflow optimization and keeps pollutants out of your home &  help with Indoor Air Quality.
  • With an AC efficiency tune-up, you won’t use as much electricity, and your home or business will cool down much more quickly.
  • By tightening loose connections, our technicians can ensure you don’t experience any power issues.
  • The HVAC expert will also test your thermostat to confirm it doesn’t have any calibration issues, damage, or dead batteries.

It’s like a tune-up for your car—it keeps everything working smoothly and saves you money in the long run.”

Does regular maintenance actually save me money?

Customer: “Be honest—does this maintenance really save me money, or is it just something I should do?”

Mullen Tech: “Oh, it absolutely saves you money—no fluff, I promise! For one, a well-maintained AC runs more efficiently, which means lower energy bills each month. Second, when I check things regularly, I can catch little problems—like a loose part or low refrigerant—before they turn into major, costly AC Repairs. And the big one? Regular maintenance makes your AC last longer, so you’re not shelling out for a new unit earlier than you have to. So yeah, it’s a small investment now that saves you a lot of money (and headaches) later.”

Advantage Club Maintenance Plan

Year-Round Comfort with Exclusive Member Savings


Join Mullen Plumbing, Heating & Cooling’s Advantage Club and enjoy year-round comfort and savings! Members receive 15% off any service, diagnostic, or repair for HVAC and plumbing, plus 5% off new installations, including plumbing, HVAC, and sewer & drain services. You’ll also get two preventive maintenance visits per year to keep your systems running smoothly, priority appointment scheduling, and no overtime dispatch fees. Don’t wait for small problems to become big ones—sign up today and take control of your home’s comfort.

Schedule Service

Contact Form

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

By clicking “Send Message”, I am providing express written consent to receive autodialed and pre-recorded calls, texts, and SMS/MMS with marketing communications from Mullen Plumbing, Heating, and Cooling regarding home services at the phone number provided above, even if the number is on a corporate, state, or national Do Not Call list. Consent is not a condition to purchase services or products.