AC Tune-Ups
Join the USA Maintenance Program
Air Conditioning Maintenance and Tune-Ups in Maryland, Pennsylvania & West Virginia
Serving Hagerstown and Frederick, MD
Annual air conditioning maintenance is an important part of keeping your home comfortable. Professional 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.
Call (301) 733-5428 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 maintenance 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
Trust Larry & Sons for AC tune-ups in MD, PA, and WV. Call (301) 733-5428 or contact us online today to schedule service.
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.
Schedule your maintenance appointment with Larry & Sons today. Call us at (301) 733-5428 or contact us online!
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:
- Priority scheduling
- Exclusive discounts
- Maintenance for plumbing, heating, cooling, and electrical systems
- And more!
Call Larry & Sons at (301) 733-5428 or contact us online today to learn more about the program and sign up!
Choose Larry & Sons for Routine Air Conditioning Tune-Ups
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 (301) 733-5428 or contacting us online!
WE VALUE YOUR...
























4.9 Stars | 2,000+ Reviews

















































































































Just bought my house literally a week ago and have already met 3 of your wonderful technicians (2 heating and 1 plumbing). They are polite and personable, and I feel like I can trust that they are doing what is best for my home… not just for the company’s bank account. That is difficult to find in any type of Service Company. Thank you!
Josh was wonderful. We just bought a house that needs a lot of work, and the heating systems were no exception. He looked everything over and gave me several options for the amount of work that needs to be done. I felt he was honest and sincere in his diagnosis of my many issues, and in trying to figure out the best options, while still remaining economical. He was very polite and personable as well. Thanks Josh!

















































































































“Thank you so much to everyone from Larry and Sons. Everyone I deal with on the phone is always great; Amy-Jo and Heather are always so nice. I called in with a broken water line emergency; Rich came out quickly and got me a temporary water line set
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