CAN DO. WELL DONE.

That’s our slogan, and we live by it.

When it comes to fixing your HVAC or plumbing troubles, we can do it all, we will do so quickly, and we won’t leave until you’re confident it’s a job well done. That’s our guarantee.

You never have to worry when a Magnolia plumber or HVAC contractor is taking care of your repairs. Our team receives more than the required hours of training, so they are true experts in their field. Moreover, all of our technicians are dedicated to keeping up with the latest industry news and technology. You’ll see this reflected in each of your plumbing, heating, and air conditioning services when we show up at your door armed with state-of-the-art tools and years worth of experience.

Magnolia Companies, Residential Services, Magnolia Truck

Magnolia Plumbing, Heating and Cooling, a Washington, DC Residential and Commercial HVAC and Plumbing Company

When your plumbing system is not working properly, the simplest tasks can become an inconvenience. And when your heating and cooling system is not performing as you’d like, everyone in the home or office is a lot less comfortable. The plumbers and technicians at Magnolia Plumbing, Heating & Cooling are experienced in all aspects of plumbing and HVAC (heating, ventilation, and air conditioning) repair, replacement, installation, and maintenance. We also install and service water heaters and indoor air quality systems. When you want the services of a trained professional for your home or commercial property in the Washington, DC area, trust our team to get everything running smoothly.

Home Services

Magnolia Plumbing, Heating and Cooling, a Washington, DC Residential and Commercial HVAC and Plumbing Company

Home Plumbing

When your plumbing system is not running smoothly, you need a reliable plumber there to assist you as quickly as possible. But you should also find an expert who can help you with all of your plumbing needs over time, whether you want to upgrade your fixtures or add in a sump pump or water treatment system. Call our professionals whenever you run into urgent plumbing issues, and we can get out there fast to get your pipes and fixtures back in order. Magnolia Plumbing, Heating and Cooling is a trusted name in plumbing repair, installation, maintenance, and replacement in the Washington, DC area, and we can handle whatever plumbing tasks come our way - guaranteed!

Home Heating

Your heating system is one of the components of your home that you might not give much consideration to - that is, until it begins to malfunction. Thankfully, our Washington, D.C. heating contractors are standing by to assist you. Regardless of if your system is based on gas, electric, boiler, heat pump, or furnace, our heating services can help restore heat to your home and maintain comfortable temperatures all season long.

Home Cooling

If you’ve been a resident of Washington, DC, Maryland, or Northmen Virginia for quite some time, you know that there’s no surviving these stifling summers without a proper cooling system.  There’s nothing quite as peaceful as hearing the sound of the AC running in the background when outside temperatures exceed 80 degrees, which they often do around these parts. Yet, these hot days and nights don’t just take a toll on you - they can also affect your air conditioner’s performance. Make sure you schedule your regular air conditioning services with Magnolia to keep your air conditioner in the best conditions!

Testimonials

Our Affiliations

Why Choose Magnolia?

We are experts in our field.

We know every second counts when your business is flooded due to a burst pipe or blocked drains. We’ll be there working around the clock to help get your business up and running again.

We have a long-standing history in the community.

Since 1950, our family has had a passion for service, dedication to efficiency, and a promise to provide the highest quality of workmanship.

We are leaders in our industry. 

With our wealth of experience and unwavering dedication, we have emerged as pioneers in the industry, deploying more than 200 service and construction vehicles across the Washington and Baltimore Metropolitan Region.

Our community matters to us. 

From Sustainable Energy to Breast Cancer Awareness and supporting Small Businesses, we believe in caring for our community.

Blog Articles

Some of the women staff at Magnolia Companies posing for a photo in front of Magnolia signage.

Women’s Month: Honoring and Acknowledging the Women Who Work at Magnolia Companies 

By Mike Dee | March 20, 2025

What is Women’s Month? Women’s Month is a time dedicated to celebrating women’s achievements, contributions, and history worldwide. In many…

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A man looking cold in a winter jacket and gloves as he sits on a couch in a home.

Why Is My Furnace Blowing Cold Air?

By Magnolia | November 27, 2023

Experiencing cold air when your furnace should be providing warmth can be perplexing and uncomfortable, especially during colder months. If…

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A woman shaking hands with a plumber while another plumber uses a tablet in a home.

What Determines the Cost of Repiping a Home?

By Magnolia | November 24, 2023

When it comes to maintaining a home, one of the most significant yet often overlooked aspects is the plumbing system.…

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A small white model of a house wrapped in a scarf placed next to a calculator on a wooden surface.

How Much Does a Furnace Cost?

By Magnolia | October 26, 2023

If you’re in need of a new furnace, you’re probably wondering about the price. The truth is — the cost…

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Magnoia Companies - Two technicians performing a service on a septic tank.

How Does a Septic Tank Work?

By Magnolia | October 12, 2023

If you’re a homeowner, chances are you’re familiar with septic tanks. These systems are essential for treating wastewater when a…

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A man and woman walking through a house in the middle of construction.

This or That: How to Choose the Perfect HVAC System for a New Construction Home

By Magnolia | September 27, 2023

Building a new home? It’s an exciting adventure! But amid the myriad choices, one stands out: how to choose the…

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A smiling woman sitting on the ground and watering a plant.

Do Indoor Plants Improve Air Quality?

By Magnolia | September 26, 2023

The age-old question remains: Do indoor plants improve air quality? Many of us have brought green, leafy companions into our…

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A plumber performing a drain cleaning service.

How Often Should Your Drains Be Cleaned?

By Magnolia | August 31, 2023

For many homeowners, the thought of how often their drains should be cleaned doesn’t cross their mind until they’re standing…

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A man inspecting an air vent in a home.

5 Signs Your Air Ducts Need Cleaning

By Magnolia | August 30, 2023

Having a safe and comfortable living environment is paramount. Part of this entails ensuring that your heating and cooling system…

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Service Areas

Magnolia Plumbing, Heating & Cooling provides Commercial Plumbing services in the DMV area, including Washington DC, Arlington, Bethesda, Frederick, and Silver Spring.

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