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HVAC Services in Manassas, VA

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Backed by over 25 years of home service expertise, our company proudly serves over 60,000 families annually. We drive fully stocked trucks to ensure we’re equipped to handle any challenge thrown our way.

Our commitment to convenience and reliability sets us apart. We proudly offer same day service seven days a week to provide quick assistance without extra charges for evenings and weekends.

Schedule same day service in Manassas by calling (800) 950-4619(800) 950-4619 now.

24/7 Emergency HVAC Repair

Don’t wait to schedule service if your HVAC won’t turn on or you hear strange noises from your unit.

We’re available for emergency heating and cooling repairs to restore your comfort no matter the weather outside.

Call our team of experts 24/7 at (800) 950-4619(800) 950-4619 to request emergency repairs.

Air Conditioning Services for Manassas Homes

Manassas homeowners are used to blistering heat and high humidity levels. It’s important to count on a professional for air conditioning services to keep you and your loved ones comfortable. At Len The Plumber Heating & Air, we offer:

Ensure your air conditioner is ready to keep you cool all season long! Schedule AC services today by calling (800) 950-4619(800) 950-4619.

Heating Services in the Manassas Area

Stay warm and cozy throughout the chilliest months of the year with our expert heating services. Len The Plumber Heating & Air provides:

  • Heating repair: Look for signs like unusual noises, insufficient heating, or an unexplained increase in energy bills.
  • Heating installation and replacement: Upgrading your heating system offers a range of benefits, like better indoor air quality, enhanced safety and reliability, and improved energy efficiency.
  • Heating maintenance: During your tune-up, we’ll inspect and clean key components and test safety controls.

Furnace Services

Our comprehensive furnace services are available for both gas and electric models, ensuring your home stays warm and comfortable year-round.

From routine maintenance and fast repairs to expert installations, our team ensures optimal performance and safety of your furnace.

Boiler Services

We provide boiler services for gas and propane water boilers, including:

  • Boiler repair
  • Boiler installation and replacement
  • Boiler maintenance

We also offer services for baseboard and radiator issues.

Schedule heating services in Manassas by calling Len The Plumber Heating & Air at (800) 950-4619(800) 950-4619 today.

Heat Pump Services

Unlike traditional central AC and heating units, heat pumps operate efficiently by extracting heat from the air to provide warmth in winter and cool air in summer.

Our heat pump services include:

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

Experience high-quality heat pump solutions by calling our team at (800) 950-4619(800) 950-4619 to book same day service.

Ductless Mini-Split Services in Manassas

With their compact size, quiet operation, and zoning capabilities, ductless mini-splits offer homeowners a convenient HVAC solution that provides personalized comfort without ductwork.

Len The Plumber Heating & Air offers comprehensive ductless mini-split services, including:

  • Ductless mini-split repair
  • Ductless mini-split installation and replacement
  • Ductless mini-split maintenance

Call Len The Plumber Heating & Air at (800) 950-4619(800) 950-4619 today to request ductless mini-split solutions in Manassas.

Indoor Air Quality Services

Good indoor air quality can lead to better sleep, increased productivity, better respiratory health, and reduced risk of illness. Len The Plumber Heating & Air offers the following air quality solutions:

Sign Up for the Whole Home Service Plan

Schedule HVAC maintenance twice annually to ensure ultimate performance when you need it most.

With Len The Plumber Heating & Air’s Whole Home Service Plan, you’ll receive priority service, 15% off repairs, and access to live call takers seven days a week.

During your HVAC tune-ups, our team will:

  • Check refrigerant pressures
  • Clean burners and flame sensors
  • Perform a combustion analysis for safety and efficiency
  • Check thermostat operation
  • Check indoor humidity
  • Inspect air filters
  • Clean outdoor coils
  • Inspect all motors and electrical connections
  • Perform a carbon monoxide safety check
  • Check all gas line connections to ensure safe operation

Sign up for our Whole Home Service Plan by calling (800) 950-4619(800) 950-4619 now.

Call for Same Day Service Seven Days a Week

With experienced technicians who genuinely care about your comfort and well-being, Len The Plumber Heating & Air is always available and reliable. We guarantee a high-quality experience every time. Rest assured, only the best of the best has the keys to our trucks.

Call (800) 950-4619(800) 950-4619 to book premier HVAC services in the Manassas area.

What to Expect
From Len The Plumber Heating & Air

Our highly trained technicians can resolve all your repair, installation, and maintenance needs.


We strive to exceed your expectations with innovative technology and tried-and-true methods.

Simplified Home

We provide streamlined plumbing and HVAC services that are efficient, easy, and tailored to your needs.

24/7 Availability
& Reliability

Our local team always provides prompt and reliable assistance whenever you need us most.

Upfront Pricing

Experience peace of mind with comprehensive pricing before service begins without hidden fees.