Frederick County
Plumbing, Heating & Air Conditioning
Frederick County Plumbers and Heating and Air Conditioning Technicians



If you live in Frederick County and are interested in having a new heating system, air conditioning system or any components of your plumbing system installed, the first thing you should do is contact the experts of Larry & Sons. Over the course of many years we have provided exceptional service to homeowners throughout the Frederick County area and can do the same for you.
Full Service Plumbing in Frederick County
At the core of our business, which has been offering expert service for homeowners throughout the region for more than 50 years, we provide Frederick County plumbing installation, maintenance and repair services. This includes installation of a full range of plumbing components, including bathroom and kitchen fixtures, sump pumps, well pumps, septic tanks, and water heaters. Our Frederick County plumbers, offer repair services as well, including re–piping, water line repairs, leak detection and slab leak repair.
Frederick County Heating and Air Conditioning Services
Our technicians are available to recommend for you and install new heat pumps, furnaces, central air conditioners and ductless mini split air conditioning and heating systems, as well as geothermal heating and cooling systems that match your home’s specific needs. We also provide preventive maintenance services that ensure your heating and air conditioning system in Frederick County continues to operate properly for years to come and we are available 24 hours a day to perform repairs if the need ever arises.
To further ensure the comfort of your family, we offer drain and sewer repair and maintenance services as well as Frederick County water treatment system testing and installation services.
Why Hire a Professional for HVAC and Plumbing?
Whether you need installation of a new fixture in your bathroom or comprehensive overhaul of your heating and air conditioning system, you should always call a professional. A professional provides exceptional service, backed by many years of experience and ongoing training. Our technicians are highly skilled in working with the newest technology to provide exceptional service for plumbing, heating and air conditioning equipment.
Call Larry & Sons today for all of your heating, plumbing and air conditioning installation, maintenance and repair needs in Frederick County.
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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