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Furnace Maintenance in Washington, Frederick, Franklin & Berkeley Counties

When cold weather hits, the last thing you want is a furnace that isn’t ready to keep your home warm and comfortable. Scheduling regular furnace maintenance ensures your system runs efficiently, helps prevent costly repairs, and provides peace of mind during the heating season. For families across Washington, Frederick, Franklin, and Berkeley Counties, Larry & Sons Plumbing, Heating, Cooling & Electrical has been the trusted choice for professional furnace services since 1960. Our technicians provide thorough maintenance and tune-up services to help keep your furnace in great shape.

Don’t wait until your furnace breaks down; schedule furnace maintenance with Larry & Sons today!

Gas furnace maintenance

Why Choose Larry & Sons for Furnace Maintenance?

Larry & Sons has proudly served the community for over six decades, building a reputation for integrity, reliability, and customer-focused service. Homeowners choose us because we provide:

  • Personalized customer service: We treat every customer like family, listening to your needs and delivering tailored solutions.
  • Uniformed technicians with identification: For your peace of mind, every technician arrives in uniform with clear identification.
  • Protective practices: Shoe covers and tarps are used to keep your home clean during service.
  • Satisfaction guaranteed: We stand behind every service we provide.

With a strong commitment to service since 1960, Larry & Sons remains the go-to provider for dependable furnace maintenance.

Have an emergency that can't wait? Call Now! (301) 733-5428
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What’s Included in a Furnace Tune-Up?

A professional furnace tune-up goes far beyond a quick check. Our detailed process ensures your system is safe, clean, and ready to handle the demands of the season. A typical maintenance visit includes:

  • Inspecting and cleaning burners
  • Checking heat exchanger for cracks or damage
  • Lubricating moving parts to reduce wear
  • Testing ignition and safety controls
  • Replacing or cleaning the air filter
  • Calibrating the thermostat
  • Inspecting and tightening electrical connections
  • Measuring airflow and system efficiency
  • Checking gas pressure and adjusting if needed
  • Ensuring carbon monoxide safety

These steps not only improve system efficiency but also extend the life of your furnace while reducing the risk of unexpected breakdowns.

Sign Up for a Maintenance Plan

Staying on top of furnace maintenance is easy with the Larry & Sons USA Maintenance Plan. As a member, you’ll enjoy priority scheduling, discounted repairs, and routine tune-ups that keep your heating system in top condition. This proactive approach helps lower your utility bills, reduces emergency repair costs, and ensures your furnace runs smoothly year after year.

Schedule Furnace Maintenance Today

The comfort and safety of your home depend on a reliable furnace, and routine maintenance is the best way to protect your investment. Don’t wait until winter arrives in Washington, Frederick, Franklin, and Berkeley Counties. Get ahead of the season with professional service from Larry & Sons Plumbing, Heating, Cooling & Electrical.

Schedule a furnace tune-up today and experience the difference of working with a trusted team that’s been serving local families since 1960.

Furnace Maintenance FAQs

Most experts recommend scheduling furnace maintenance once a year, ideally in the fall before the heating season begins. This timing ensures your system is fully prepared to handle colder temperatures.

A tune-up helps improve energy efficiency, lowers heating costs, extends the life of your equipment, reduces the risk of breakdowns, and ensures safe operation throughout the season.

Our Reviews

See What Your Neighbors Are Saying.

What a GREAT company! I only had two small jobs. The two ladies I spoke with were so kind and helpful. An electrician arrived within a few hours. He was fantastic, a man who knows his job. Very friendly and knowledgeable. He fixed everything quickly and wore shoe covers in the house. I HIGHLY recommend Larry…

Cathy G.

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Cathy G.

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Dave was great to work with. We called for emergency AC help. He arrived when expected and was very professional. He had everything on his truck to repair the issues and explained what was needed, where we stood with our system, what our options were on proceeding with the next step, and what the costs would…

Bernadette C.

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Bernadette C.

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Larry and Sons was able to schedule a technician out to my residence after scheduling for next day service. They even offered to place me on the waitlist for same day scheduling should any cancellations occur. Lyle Hickey, the technician was very knowledgeable, professional, efficient, and extremely patient during my service call. He diagnosed the issue…

Maya A.

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Maya A.

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I am thrilled with the service Tim Swartz and Larry and Sons provided for our plumbing needs. Tim did a thorough inspection of all the plumbing and found some issues that we can catch early before they become major problems. Tim was very low key and explained everything to a non-plumber girl like me so I…

Pamela R.

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Pamela R.

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The company scheduler was very helpful and got us a same day appointment. Matt, the technician was very prompt and professional and even provided advice on the issue. The price was reasonable even though the technician traveled from Maryland to our home in Martinsburg WV. I would recommend Larry and Sons for plumbing repairs to anyone.

Tomas M.

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Tomas M.

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