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HVAC Services in St. Charles, MD

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When you have HVAC troubles, count on a local team that provides fast and reliable services.

Len The Plumber Heating & Air is your one-stop shop for home services. We’ll ensure your heating, cooling, and indoor air quality units are working correctly.

Schedule HVAC services online or call (800) 950-4619(800) 950-4619 to request an appointment for your St. Charles home.

24/7 Emergency HVAC Repair

Nobody wants to deal with HVAC emergencies, but Len The Plumber Heating & Air is ready to help when they happen.

Our expert team will arrive as soon as possible to resolve your heating or AC emergency quickly and effectively, with no extra charge for evening, weekend, or overtime service.

Air Conditioning Services

Staying cool can be tough if your AC doesn’t work right. At Len The Plumber Heating & Air, our team can resolve any air conditioner service need. Rely on us for:

  • AC repair: If your air conditioner smokes, sparks, or only cools certain rooms, it’s time to call a pro for repairs.
  • AC installation and replacement: A new air conditioner can lower energy bills and improve comfort.
  • AC maintenance: Regular air conditioning service includes air filter replacement, electrical connection tests, coolant checks, and more.

Look no further than Len The Plumber Heating & Air for expert services in St. Charles. Call (800) 950-4619(800) 950-4619 to schedule an AC service appointment.

Heating Services Throughout the St. Charles Area

An efficient and effective heating system keeps your home warm on the coldest nights. Our team offers comprehensive heating services for St. Charles homes, including:

  • Heating repair: We can fix your heating unit when it doesn’t turn on, makes odd sounds, or increases the energy bill.
  • Heating installation and replacement: Our team can install a new heating system when your old one is beyond repair.
  • Heating maintenance: We can perform a comprehensive test of every part of your heating system to ensure safe and proper function.

Furnace Services

Len The Plumber Heating & Air offers gas and electric furnace services throughout the St. Charles area. These systems offer quick heating and reliable heating.

Our team can handle the job whether you need a small furnace repair, a new furnace installation, or preventative furnace maintenance.

Boiler Services

Boilers provide heat by heating water and delivering it through radiators or baseboard heating throughout your home.

If any part of the system fails, you need the help of expert HVAC technicians. Len The Plumber Heating & Air offers comprehensive boiler services so you can enjoy complete home comfort.

Count on our team for boiler repair, replacement, and maintenance.

Maintain a warm home with help from Len The Plumber Heating & Air. Call (800) 950-4619(800) 950-4619 to schedule heating services in St. Charles.

Ductless AC Services

A ductless mini-split is a great investment if you struggle to heat or cool certain areas of your home. These units allow for easy climate control for any space, including your whole home, additions, and more.

Len The Plumber Heating & Air provides:

  • Ductless AC repair: Our team can diagnose and repair any issue with your ductless system.
  • Ductless AC installation and replacement: We’ll help you zone your home and install the outdoor unit and as many indoor air handlers as you need for balanced, efficient home comfort.
  • Ductless AC maintenance: Our team can perform routine maintenance to ensure your ductless system runs as it should.

Take control of your home comfort. Schedule ductless mini-split services in St. Charles by calling (800) 950-4619(800) 950-4619 now.

Heat Pump Services in the St. Charles Area

Heating and cooling your home can be done with a single unit if you choose a heat pump. These systems work efficiently by moving heat energy rather than creating heat through combustion.

Count on Len The Plumber when you need:

  • Heat pump repair: We’ll inspect your system, discuss your problem, and fully resolve the issues.
  • Heat pump installation and replacement: We’ll swap your old unit for a new, energy-efficient model.
  • Heat pump maintenance: We’ll inspect every part of your system, inside and out, to ensure your heat pump is running right.

Indoor Air Quality Services

Breathing easily in your home should be a priority. Make sure your air is as clean as possible with help from Len The Plumber Heating & Air.

Our indoor air quality services include:

Freshen up your air with indoor air quality services from Len The Plumber. Request service online or call (800) 950-4619(800) 950-4619 to get started.

Sign Up for the Whole Home Service Plan

Keeping up with HVAC maintenance is vital for system efficiency and a long system service life.

Len The Plumber Heating & Air offers a Whole Home Service Plan that takes care of your heating, air conditioning, and plumbing. Our plan includes:

  • 15% off repairs
  • Priority scheduling
  • Access to live phone agents seven days a week
  • And much more!

Join our maintenance plan and save on your energy bills. Call (800) 950-4619(800) 950-4619 today to learn more.

Schedule HVAC Services for Your St. Charles Home

Take great care of your HVAC system with help from Len The Plumber Heating & Air. We provide:

  • High-quality parts and services
  • Same day service
  • 24/7 emergency service
  • Upfront pricing
  • Financing options

Schedule HVAC services in St. Charles — call (800) 950-4619(800) 950-4619 now to request an appointment.

What to Expect
From Len The Plumber Heating & Air

Our local team of highly trained technicians has the tools and experience to provide exceptional service.


We provide thorough and attentive service so every problem gets solved and your peace of mind is restored.

Simplified Home Services

We’re a one-stop shop and can streamline all your plumbing and HVAC services for minimal stress and hassle.

24/7 Availability
& Reliability

We’re here when you need us with same day service seven days a week. We'll handle the job as soon as possible.


You never have to worry about surprise fees. We'll ensure you're aware of any costs before service begins.