AC Tune-Ups

Join the USA Maintenance Program

Air Conditioning Maintenance and Tune-Ups in Maryland, Pennsylvania & West Virginia

Serving Hagerstown and Frederick, MD

A technician performing an ac tune up

Annual air conditioning maintenance is an important part of keeping your home comfortable. Professional HVAC tune-ups support your air conditioner so it can run optimally.

The experts at Larry & Sons Plumbing, Heating, Cooling & Electrical can help you with your air conditioning maintenance needs.

We’ve been helping Maryland, Pennsylvania, and West Virginia homeowners care for their homes since 1960, and we’re dedicated to delivering personalized customer service.

Ready for HVAC maintenance? Call us or contact us online to request an AC tune-up today! 

Benefits of Annual AC Maintenance

Many homeowners wait until something goes wrong with their air conditioning system before calling a professional, meaning higher repair costs and discomfort for your family while you wait for an emergency AC repair.

Scheduling air conditioning maintenance each spring gives you peace of mind that your cooling system is ready to keep you cool all summer long.

The benefits of annual AC tune-ups include:

  • Longer air conditioner life span
  • Lower energy bills
  • Increased system efficiency
  • Protected warranty
  • Reduced risk of major malfunction and breakdowns
  • Reduced risk of premature AC replacement
  • Better indoor air quality

What To Expect During an Air Conditioning Tune-Up

A professional air conditioning tune-up is thorough and detailed. The team at Larry & Sons will ensure all parts of your air conditioning system are in good working order and repair any that aren’t.

Your air conditioning tune-up includes:

  • Electrical connections checks
  • Cooling component inspection
  • Air filter replacement
  • Refrigerant leak checks
  • Thermostat recalibration
  • Motor, bearing, and fan lubrication
  • And more!

Preventative maintenance helps our technicians catch small problems before they become major repairs impacting your home’s comfort.

Join the USA Maintenance Program

Keeping your air conditioning system on a routine maintenance schedule is easy when you sign up for the Ultimate Service Agreement!

Our maintenance program will help protect your investment while saving you time and money. The benefits of the program include:

Choose Larry & Sons for Routine Air Conditioning Tune-Ups in Frederick and Hagerstown

Larry & Sons is the preferred air conditioning service provider for Maryland, Pennsylvania, and West Virginia homes. Let us give you the expert workmanship and customer service you deserve.

We’re dedicated to personalized service, and our friendly and professional technicians will treat your home and family with respect.  

When you need air conditioning maintenance, choose Larry & Sons. Schedule service today by calling us or contacting us online!

Request Service





Our call center is open 24 hours a day, 7 days a week and when you call, you will always speak with a live person. Our experienced customer service representatives will schedule an appointment that is convenient for you.

Our Service Expert will arrive in a Larry & Sons truck, wearing a Larry & Sons uniform. All of our Service Experts carry identification cards, which you may ask to see before letting them in your home. Larry & Sons is fully licensed and insured for your safety and protection.

Our Service Experts use floor protecting shoe covers and tarps to protect your home. You'll have complete peace of mind that your home will be in better condition than it was when our Service Experts started.

If there's any part of the Larry & Sons experience that doesn't live up to your expectations, just let us know! Our goal is to provide you with the highest level of satisfaction possible. Tell us what we can do better and we'll go the extra mile to ensure your satisfaction.
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Call Now! (301) 733-5428

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$ 59
AC Tune-Up
Call Now! (301) 733-5428
Only valid with work performed. Must be presented at time of purchase. Not to be combined with other offers or membership program. Not valid on previous purchases. Conditions apply. Call for details.