FREDERICK
PLUMBING HEATING & AIR CONDITIONING
Air Conditioning, Heating, Plumbing, and Electrical Services in Frederick, MD



With over 50 years of experience serving the plumbing and HVAC needs of homes in the Frederick, MD area, Larry & Sons has the mix of experience and professionalism you’re looking for. We can handle all types of projects, from water treatment system installation to emergency plumbing repair and everything in between. No matter when you call us or why, you can be sure we’ll provide prompt, quality service every time.
Winters in Frederick see temperatures that often dip below freezing and bring a moderate amount of snowfall to the region. By contrast, summers are hot and humid, making a home cooling system more than just a luxury. Spring and fall are mild and pleasant often, providing a welcome respite from the extreme weather that typifies the other seasons.
Plumbing Services
The plumbing system in your home serves you reliably day in and day out. But in order to keep that up, it needs to be properly cared for. Our expert plumbers provide comprehensive plumbing maintenance and repair services to make sure your plumbing will always work when you need it to. And when the time comes to replace your plumbing, we can handle that as well.
Heating Repair
A good home heating system is essential when you’re looking ahead to another cold winter in this part of the country. Larry & Sons has all of the heating repair in Frederick you’re looking for, including furnace repairs, geothermal pumps and solar systems. Of course, we also install, repair, maintain and replace more traditional pumps and furnaces as well, so no matter what type of system or service you need, we can provide it.
Air Conditioning Services
Summer months in Frederick can leave you and your family sweltering, so make sure you keep your cool with air conditioning services in Frederick, MD from Larry & Sons! If your current unit stops working, we’ll get someone out there right away to perform AC repairs. If we find out it’s time for a new ac unit, we’ll help you find a perfect air conditioner replacement that works with your home and budget. Finally, we’d be happy to come out and perform routine AC maintenance so you can keep your unit running for as long as possible!
Drain and Sewer Services
The health of your drains and sewers might not be something you think about often. But when something goes wrong with this system, you need to know it will be fixed fast. Our team of expert plumbers can handle all types and sizes of drain and sewers in Frederick! We also only use the highest quality parts, pipes and equipment on all of our drain and sewer projects, so you can be sure the work we do for you will last a long time.
Water Treatment Systems
Whether or not you’re concerned about the safety of your home drinking water, it’s always a good idea to get comprehensive water testing done by Larry & Sons. Only then can you be sure that the water you and your family use for cooking, cleaning, drinking and bathing is safe and free of harmful contaminants. Depending on what we find in your water, we’ll put together a water treatment system tailored to remove the particular contaminants that are a problem for you.
Indoor Air Quality
Poor indoor air quality affects everyone in your home, but its worst for people who already have asthma, allergies or other breathing issues. Even if no one in your household falls into that category, it’s important to have your indoor air quality tested by our team of professionals. Only then can we assemble and install the best indoor air quality system to make sure the air in your home is safe for you and your family to breathe.
Electrical Services
Larry & Sons also offers complete electrical services in Frederick, MD including
- Generator Services
- Indoor and Outdoor Lighting
- Main Service Panel Upgrades & Circuit Breakers
- Pool, Spa & Hot Tub Wiring
- Wiring and Rewiring
Customer Testimonial
“Our service today with Rich Lohman was excellent. He was very professional as well as knowledgeable about what needed to be done. In short order, he had our drain open and working well. I would recommend him and your company to anyone.” – Dottie M.
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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