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HVAC Services in Waldorf, MD

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You rely on your heating and cooling systems for your comfort. From the hottest summer days to the coldest winter nights, the team at Len The Plumber Heating & Air can provide all your HVAC service needs.

We install, repair, and maintain air conditioners, ductless mini-splits, furnaces, boilers, and heat pumps, so no matter what systems you rely on, we’ll help you enjoy the comfort you deserve!

Contact Len The Plumber Heating & Air at (800) 950-4619(800) 950-4619 to schedule HVAC services in Waldorf today!

24/7 Emergency HVAC Repair

We provide 24/7 emergency HVAC services day and night. When your system needs emergency repairs, we have the tools, training, and components to restore your system to operation.

If you notice any of the following issues, we can diagnose and resolve the problem:

  • System short-cycling
  • Frequently tripped breakers
  • Yellow pilot lights
  • Noxious odors from the unit
  • Odd sounds from the unit
  • Diminished airflow

Air Conditioning Services in the Waldorf Area

We provide expert air conditioning services to keep your cooling system in prime condition. We’ll provide fast AC repair if your refrigerant is low, the evaporator coils are frozen, or the unit short-cycles.

If your air conditioner is at the end of its life span, we’ll help you select an energy-efficient AC replacement.

We also offer preventative AC maintenance to enhance the performance of your central air conditioner, reduce repair and replacement costs, and lower your utility bills.

Ductless AC Services

Len The Plumber Heating & Air provides ductless mini-split services to help you enjoy superior comfort and energy efficiency. Mini-splits are ideal for temperature zoning, and they don’t need ductwork!

Count on our team for:

  • Ductless AC repair
  • Ductless AC installation and replacement
  • Ductless AC maintenance

Call (800) 950-4619(800) 950-4619 to schedule air conditioning services in Waldorf today! 

Heating Services Throughout the Waldorf Area

Professional heating services will help you enjoy safe, reliable comfort throughout the winter. Our expert HVAC technicians offer a full range of heating services, including:

Furnace Services

With proper care and maintenance, you can expect 15 to 20 years of reliable operation from your furnace. From relighting the pilot light to cleaning dirty burners, we can address any issues to restore your heat.

Our furnace services include:

  • Furnace installation and replacement
  • Furnace repair
  • Furnace maintenance

Boiler Services

A boiler is an energy-efficient, cost-effective boiler heating system that will keep your Waldorf home warm and cozy. When your boiler leaks or you hear rumbling or rattling, we can help!

Our boiler services include:

  • Boiler installation and replacement
  • Boiler repair
  • Boiler maintenance

Schedule heating services with Len The Plumber Heating & Air. Call (800) 950-4619(800) 950-4619 now to request an appointment in Waldorf.

Heat Pump Services in the Waldorf Area

Air- and ground-source heat pumps transfer the warm air inside your home outside during the summer and pull warm air inside during the winter. This makes them a cost-effective, all-in-one heating and cooling solution. Our mild climate means that you can rely on your heat pump year-round!

Our heat pump services include:

  • Heat pump repair
  • Heat pump installation and replacement
  • Heat pump maintenance

Call Len The Plumber Heating & Air at (800) 950-4619(800) 950-4619 to request heat pump services in Waldorf today! 

Indoor Air Quality Services

Good indoor air quality is essential for your health and your family’s comfort.

Our indoor air quality services include:

Ask about indoor air quality solutions for your Waldorf home by calling (800) 950-4619(800) 950-4619 today!

Sign Up for the Whole Home Service Plan

We recommend annual maintenance for your heating and cooling systems. Ideally, you should service your air conditioner in the spring and your heating system in the fall. When you enroll in our Whole Home Service Plan, you will enjoy:

  • Priority service appointments
  • 15% discounts on repairs
  • Access to live call takers seven days a week

Call (800) 950-4619(800) 950-4619 to sign up for the Whole Home Service Plan today!

Why Choose Len The Plumber Heating & Air?

At Len The Plumber Heating & Air, our licensed and insured HVAC technicians will keep your heating and cooling systems in excellent condition! When you choose our expert team, you can always count on:

  • Fully stocked service vehicles
  • Respectful customer service
  • Financing options
  • Same day service seven days a week
  • 24/7 emergency service
  • No extra charge for evening, weekend, or overtime service
  • And more!

Contact us online or call (800) 950-4619(800) 950-4619 today to schedule heating, cooling, or indoor air quality services in Waldorf.

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.