ac maintenance frederick, md

Make sure that you stay on top of the routine upkeep needed for your cooling system to stay working optimally and efficiently. Larry & Sons offers AC maintenance services to our customers in the Frederick area, where we can come out for regular visits to tune-up, clean out, and check on your air conditioning. Preventative maintenance is the key to staying cool and comfortable and not having to worry about your system, so call us if you are interested!


Having air conditioning maintenance done is vital to keeping the appliance functioning well, much like how you have to get maintenance for your automobile to keep running right. It is also often a requirement that you have it performed in order to be eligible for the warranty for many AC units. Our maintenance team will reference the manufacturer specifications for your system to ensure everything is done correctly and by-the-book.

When you hire us for AC maintenance in Frederick, we come out and do a detailed inspection to make sure all parts are working properly, that connections are tight, and see if anything needs to be repaired. We will clean out dust, dirt, and any debris, and change out the filter, and do whatever else is needed in terms of air conditioning maintenance.


We have a membership club you can sign up for to receive many perks, one of which is AC maintenance service. As a USA Member, you will get priority service, a 15% discount on service, and routine appointments where our technicians follow our AC maintenance checklist and check on that state of your unit. Get in contact with us to learn more about how joining can benefit you in Frederick.


There is no better company to handle the maintenance of your AC unit than Larry & Sons. Our team of expert air conditioning contractors in Frederick will handle all the necessary measures for keeping your cooling system in top shape so that it works well and cools you down whenever you need it to. Reach out to us in Frederick to make an appointment!

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.
View All Guarantees

4.9 Stars | 2,000+ Reviews

Leave Us A Review
11:17 PM
Have an emergency that can’t wait? We are open 24/7
Call Now! (301) 733-5428

Keeping Cool: The Guide to Cleaning Your AC Unit

High temperatures can get you hot under the collar when your AC stops working. Get your AC unit ready [Read More…]

HVAC Protection & Tips for Extreme Cold

Freezing temperatures are just around the corner, make sure your HVAC system is ready! Click here to read these energy saving & protection tips from Larry & Sons!

5 Most Common Furnace Problems

You probably don’t give your furnace much thought – until it fails. The good news is that many furnace [Read More…]

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.