Larry & Sons
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(301) 733-5428

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plumbing heating and cooling hvac mont altoAir Conditioning, Heating and Plumbing Services

No matter what type of plumbing or HVAC service you need in the Mount Airy area, Larry & Sons is the company to call. All of our professional Mount Airy technicians have extensive experience in the field, and we offer a great range of products to ensure you can always find exactly what you’re looking for. So whether you need a leaky faucet repaired or you’re interested in a new solar heating system for your home, be sure to give us a call today.

Living in Mount Airy

Mount Airy has four distinct seasons, with hot, often humid, summers and winter temperatures that often dip down below freezing. Spring and fall are usually mild and pleasant, with moderate rainfall. There is also great diversity in the flora of the region, making pollen a significant issue for many residents as well.


Because you depend on your plumbing for so much, it’s important to have a skilled professional taking care of it. Larry & Sons provides expert plumbing services including complete or partial plumbing installation, maintenance and repair, water heater installation, repair and maintenance, and comprehensive septic system services. And when you have any type of plumbing emergency, we’ll have a Mount Airy MD plumber out quickly to determine the cause and make the appropriate repairs.


We carry all types of heating systems, including furnaces, heat pumps, geothermal systems and solar heating. So whether you’re interested in conventional or alternative home heating, we have exactly what you’re looking for. We also offer comprehensive repair and maintenance services for all of these types of heating systems, so even if we didn’t install yours, we’ll be glad to take over its care.

Air Conditioning

Air conditioning is a must when you live in an area like Mount Airy with hot, humid summers. We carry and excellent selection of quality air conditioning systems for you to choose from, and our full professional installation, repair and maintenance services will ensure the system we install for you will continue to serve you well for many years to come.

Drain and Sewer

Professional drain and sewer maintenance service from Larry & Sons is the best way to keep your system working properly year in and year out. Larry & Sons has all of the best equipment at their disposal, including video camera inspection technology to help them find the source of clogs and leaks fast. We also provide complete repair and installation services, making Larry & Sons the only stop you need to make for all quality drain and sewer services in the Mount Airy area.

Water Treatment Systems

From water testing to installation, repair and maintenance of a top of the line water treatment system, Larry & Sons has everything you need to make sure the water you use in your home is safe and clean. Contaminants in your water can be unhealthy for you, and they can also cause all types of problems in your plumbing system, so it’s best to keep them out, and that’s exactly what we do.

Indoor Air Quality

Larry & Sons carries all of the best indoor air quality equipment, from air cleaners to UV germicidal lights and everything in between. When you call us for indoor air quality system installation, we’ll first complete a thorough analysis of your home air supply to see what contaminants are present and in what quantities. We’ll then put together a comprehensive system to eliminate them and keep them out for good.

Providing services to Hagerstown, Frederick, and surrounding areas
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