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How Long Does a Furnace Last in Baltimore?

Posted on: September 30, 2025

When cold winds roll in from the Chesapeake Bay, Baltimore homeowners rely on their furnaces to keep their houses warm and comfortable. But furnaces don’t last forever. Knowing the average life of a furnace helps you plan for future costs, avoid sudden breakdowns, and keep your family safe through winter. In this guide, we’ll cover […]

Why Is My Furnace Blowing Cold Air?

Posted on: August 27, 2025

Why Is My Furnace Blowing Cold Air? When you turn on the heat, the last thing you expect is a blast of cold air. If your furnace isn’t warming your home, the issue could be something simple—or it could be a sign that it’s time to call in a professional. Here’s what Baltimore homeowners should […]

Air Conditioner compressor condenser coil with fan and tools being worked on next to a brick house for repair

Do You Hear Banging or Other Strange Noises From Your AC?

Posted on: April 17, 2025

It’s not uncommon for an air conditioner to be associated with noise — the clicks of your thermostat, the subtle shift of fans for a moment as the power draw of your home changes, the expansion and contraction of ducts getting warmer and cooler — but when new noises arise, savvy homeowners pay attention. Let’s […]

How To Maintain an Air Conditioning System

Posted on: April 7, 2025

Our hot and humid summers in Baltimore mean your air conditioner has its work cut out for it from June through September. The best way to ensure that it’s up to the task is to stay on top of the preventative maintenance it requires. Some maintenance you can handle yourself, while other tasks you should […]

Does Air Conditioning Reduce Humidity?

Posted on: April 1, 2025

If your home feels sticky or muggy during hot and humid summer days in Baltimore, you might be wondering if your air conditioner can help. Most people know ACs cool the air, but what about all that humidity? The short answer is yes, air conditioning does reduce humidity. But there’s a little more to it. […]

Is Your HVAC System Ready for the Warmer Weather?

Posted on: March 21, 2025

With longer, hotter summers becoming the norm, getting your HVAC system ready for the heat is more important than ever. The Environmental Protection Agency (EPA) has been tracking weather patterns for the last 60 years, and the trend is clear — temperatures are rising, and heat waves are sticking around longer. The good news is […]

How To Protect Your Plumbing From the Harsh Baltimore Winter

Posted on: February 28, 2025

Winters in Baltimore, MD, can be harsh, with average temperatures ranging from the low 30s to the upper 40s and 21 inches of snowfall each year. These conditions can wreak havoc on your plumbing system, potentially leading to frozen pipes. As pressure builds within your pipes due to freezing water, it can increase the risk […]

Is It a Good Idea To Replace Just a Furnace & Not an AC in Maryland?

Posted on: January 29, 2025

If your furnace is on its last leg, you may be wondering if it makes sense to replace your entire HVAC system along with it. It’s certainly an option to replace your furnace on its own, but there are many reasons to replace your AC and heating system together. The HVAC experts at Len The Plumber Heating & Air […]

2025 Freon Mandate Change & What It Means for Baltimore Residents

Posted on: December 18, 2024

With summers that reach into the 80s and 90s, Baltimore-area residents need a quality air conditioning solution to stay cool and comfortable. If you’re considering a new HVAC unit or an upgrade within the next few years, it’s important to learn how the R-410A refrigerant phase-out may affect your equipment options and costs. These changes […]

Two-story home with flowers and pumpkins on the front steps

7 Great Ways to Help Your HVAC System Go from Cooling to Heating Your Home

Posted on: September 16, 2024

Mums, pumpkin spice, and college football. There are signs summer is coming to an end, and fall has arrived. The transition from summer to fall is your sign to ensure your HVAC system is ready for the change of season. Here are seven things you can do to smoothly transition from cooling to heating your […]

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