Business Details
50+ Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Washington DC, MD & VA
Founded in 1912, John G. Webster has established itself as a premier provider of HVAC and plumbing services in the Washington D.C. metropolitan area. Our century-long commitment to excellence is rooted in a tradition of hiring the most skilled technicians, providing them with cutting-edge tools and comprehensive training, and upholding the highest ethical standards. We specialize in residential and commercial heating, cooling, and plumbing solutions, serving Maryland, Washington D.C., and Northern Virginia with EPA-certified expertise. Our preventive maintenance agreements and 24/7 emergency services ensure uninterrupted comfort for our clients.With over 100 years of combined industry experience, we maintain a relentless focus on customer satisfaction through reliable service, energy-efficient solutions, and transparent communication. Our team's deep local knowledge and dedication to safety have earned us the trust of five generations of customers. We actively support eco-friendly initiatives through energy audits and tax credit programs while offering flexible financing options to meet diverse client needs.
Services
HVAC Installation
Plumbing Repairs
Air Duct Cleaning
Service Agreements
Emergency Repairs
Thermostat Upgrades
Boiler Maintenance
Heat Pump Services
Geothermal Systems
Drain Cleaning
Details
- Year established: 1912
Highlights and features
- We offer 100+ years of combined HVAC and plumbing expertise
- Our technicians are EPA-certified for environmental compliance
- We provide 24/7 emergency service for urgent needs
- Our preventive maintenance agreements reduce system failures
- We offer financing options for major HVAC and plumbing projects
Associations and certifications
- CBE Certified
- EPA Certification
Services
HVAC Installation
We specialize in installing complete HVAC systems for residential and commercial properties. Our experts handle furnace, air conditioner, heat pump, and geothermal system installations with precision. Every installation includes personalized system design and energy efficiency optimization to ensure maximum comfort and cost savings for property owners.
Plumbing Repairs
Our 24/7 plumbing repair service addresses urgent issues like leaking pipes, clogged drains, and water heater failures. Technicians use advanced diagnostic tools including camera inspections to identify and resolve problems quickly. We service both residential and commercial plumbing systems with guaranteed same-day response for emergency calls.
Air Duct Cleaning
Professional air duct cleaning improves indoor air quality and system efficiency. Our technicians use industrial-grade equipment to remove contaminants from residential and commercial HVAC ductwork. The service includes thorough cleaning of supply and return ducts, registers, and air handling units to maintain healthy indoor environments.
Service Agreements
Preventive maintenance agreements protect HVAC systems through regular professional servicing. Plans include seasonal system inspections, performance testing, and priority emergency service. Commercial clients receive customized agreements with scheduled maintenance visits to minimize downtime and extend equipment lifespan across Maryland and DC properties.
Emergency Repairs
Around-the-clock emergency repair service addresses critical HVAC and plumbing failures. Our rapid response team handles heating emergencies in winter and cooling crises during summer months. Commercial clients benefit from priority dispatching and guaranteed response times to maintain business operations in office buildings and multi-unit residential complexes.
Questions
What HVAC services do you offer for commercial buildings?
We provide commercial air conditioning, heating systems, heat pumps, and maintenance agreements for office buildings in MD, DC, and VA.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency plumbing services for urgent repairs in residential and commercial properties.
Are financing options available for HVAC installations?
Yes, we offer industry-leading financing programs to help fund your heating, cooling, and plumbing projects.
What areas do you service?
We serve all of Maryland, Washington D.C., and Northern Virginia with comprehensive HVAC and plumbing solutions.
Do you offer preventive maintenance agreements?
Yes, our preventive service agreements help avoid costly HVAC breakdowns through regular professional maintenance.
Are your technicians EPA-certified?
Yes, all our HVAC technicians maintain EPA certification for environmental compliance and professional standards.
Reviews (7)
Dimitri Ivanoff
Aug 23, 2021
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Yes, it's maybe not the fastest service in DMV area but the quality is worth the price. Bingo for my service man - he did his job and above that. I do understand that sometimes it could be off but this time - exceptional services. And for the reference - I am not easy to pleased while I do respect quality and work. I am at 8 stars for the reviews - this company does it right. My service man was Alex Buelher - Websters get him a rize.
Archie Urquhart
May 25, 2021
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Called John G Webster and received a service date the next business day. The tech J. Carrington was extremely thorough in his analysis of the furnace issue and resolved the issue immediately. He cleaned up the area and made sure to explain the issue, resolution and necessary preventive steps I could take to keep the furnace operating efficiently. I highly recommend this company, and if you can, ask for J. Carrington "Mr. done right the first time".
Ann Brennan
May 09, 2021
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We moved into an older home this spring and needed to find new service companies across the board. We are so lucky to have found John G. Webster. The service tech, Kenny was polite and helpful. He helped me to understand my system better and helped me to know when I should be looking to replace my ductless system. Great price as well. I highly recommend this company. Not a surprise though, considering they have been in business for so long.
Cindy Maka
Jan 20, 2021
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I worked with Ralph and Josh of the John G Webster Co to install a gas log insert in my fireplace. They were safe and professional. Everything was exactly as quoted; there were no surprises. We love our new fireplace, and it got the cat's seal of approval. I highly recommend the John G Webster Co.
Mary Jefferson
Jan 03, 2021
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I had a leak in the piping coming from the Water Heater. John G. Webster's technician came all the way to Frederick on a minute's notice. This happened on a Friday morning and my water had to be turned off. Naturally, I wanted someone here ASAP. Gosh these guys are good! They're prompt and efficient. Here it is at 1:56 pm on the same Friday afternoon and it's fixed! Thank you.
Emily Davis
Jun 02, 2020
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I've had a lot of issues with my AC and have used John G Webster repeatedly. They are great to work with and have been quick and easy to schedule. They show up when they say they will and they work efficiently. They also clean up after themselves which is awesome! I recommend them to all my friends and will continue to use them for all of my HVAC needs.
Elizabeth Forbes Wallace
Apr 26, 2020
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I've used this company for two major projects: 1/ Installation of Mitsubishi ductless heating and cooling units in upstairs bedrooms in a 1950 Cape Cod style home 2/ Installation of HVAC gas furnace. I am so pleased with the installation of both systems which were done couple of years apart. Most importantly Ralph Smith took his time in both instances to explain the logistics of each system and the installation so that I could understand why each could be good to solve my problems.
The installation in both cases was so carefully done that I had compliments other home contractors that the outside was done professionally and neatly. A gas company inspector even complimented the neat installation of the furnace as one of the better ones he'd seen. And of course, in the winter I'm warmer and cozier than I've ever been in the last 25 years in my home. No more drafts! And the summer is always a perfect temperature even in the top floor rooms that used to be hot like an attic. Thank you!
The installation in both cases was so carefully done that I had compliments other home contractors that the outside was done professionally and neatly. A gas company inspector even complimented the neat installation of the furnace as one of the better ones he'd seen. And of course, in the winter I'm warmer and cozier than I've ever been in the last 25 years in my home. No more drafts! And the summer is always a perfect temperature even in the top floor rooms that used to be hot like an attic. Thank you!
