Frederick
Air Conditioning Services
Air Conditioning Services in Frederick, MD
The heat in Frederick is no joke — we can easily see 90-degree days throughout the summer. Make sure your air conditioner can keep you cool with service from Larry & Sons Plumbing, Heating, Cooling & Electrical.
Trusted since 1960, our team brings years of experience and a dedication to provide top-tier service to every job we complete. We’ll figure out what’s wrong with your cooling system and ensure that your home is a cool oasis away from the heat.
Contact Larry & Sons online or call (301) 733-5428 to request air conditioning services for your Frederick home.
24/7 Emergency Air Conditioning Repair
If your system won’t run on a hot day or is emitting smoke or sparks, you need air conditioning repair immediately.
Larry & Sons is here to help. We offer 24/7 emergency AC services to restore safe and reliable cooling for Frederick homeowners.
Call (301) 733-5428 now to request emergency air conditioning services from Larry & Sons.
Signs You Need AC Repair
Sooner or later, every air conditioner needs repairs. It may be time to call an expert for AC repairs if:
- You have hot and cold spots in your home.
- Your unit makes strange sounds.
- Your unit emits strange smells.
- Your energy bills are rising.
- Your unit produces low airflow.
- Your unit has a refrigerant leak.
Make sure your AC is running at its best so you can keep cool and enjoy your AC system for years to come.
Schedule AC repair services in Frederick by calling Larry & Sons at (301) 733-5428.
Air Conditioning Installation & Replacement
Replacing your air conditioner can be a big task, but it doesn’t have to be stressful. With Larry & Sons on the job, you’ll enjoy an easy installation process from start to finish.
We install central air conditioning systems and comfort system alternatives, including:
- Ductless mini-splits are designed to heat and cool individual rooms through multiple indoor air handlers.
- Heat pumps can provide energy-efficient heating and cooling by moving heat from the outside air inside your home and vice versa.
Whether you need AC installation or replacement, Larry & Sons can take on the job. We’ll discuss your comfort needs and budget, size and recommend the perfect system, and install and test your new cooling system according to manufacturer specifications.
Schedule AC installation or replacement today by calling Larry & Sons at (301) 733-5428.
Air Conditioning Maintenance
Keeping up with routine AC maintenance can add years to the life of your system. At Larry & Sons, we provide comprehensive air conditioning tune-ups for Frederick homes. Our team can:
- Check the condenser and evaporator coils
- Check the blower motor
- Check refrigerant charge
- Lubricate motor, bearings, and fans
- Check and tighten all electrical connections
- Check temperature and pressures
- Check the thermostat for proper operation
- Check the condensate drain
- Check ductwork for leaks
- Start and test unit operation and cycle
- Check airflow
Sign up for our Ultimate Service Agreement for priority service, a 15% repair discount, and other perks.
Call (301) 733-5428 now or reach us online to schedule AC maintenance from Larry & Sons.
Schedule Same Day AC Services in Frederick
Since 1960, Larry & Sons has kept Frederick locals comfortable in their homes. Our team always provides:
- Honest work
- Lifetime repair guarantees
- Coupons
- Financing options
- 24/7 emergency services
Schedule air conditioner services in Frederick, MD, now by calling Larry & Sons at (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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