Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC & Plumbing Experts in Washington DC
For over a century, John G. Webster has established itself as a cornerstone of trust and excellence in the HVAC and plumbing industries. Founded in 1912, our company has served five generations of families, businesses, and institutions across Washington DC, Maryland, and Northern Virginia. Our commitment to hiring the most skilled technicians, investing in cutting-edge technology, and maintaining rigorous ethical standards has solidified our reputation as the region's most dependable service provider. With EPA certification and a focus on eco-friendly solutions, we combine tradition with innovation to deliver unmatched heating, cooling, and plumbing services. Our preventive maintenance agreements and 24/7 emergency response ensure clients experience uninterrupted comfort and peace of mind.Through decades of service, we have cultivated deep community ties, reflected in our personalized approach and unwavering dedication to customer satisfaction. Our team's expertise spans residential and commercial projects, from routine repairs to complex system installations. By prioritizing transparency, fair pricing, and environmental responsibility, we continue to uphold the values set forth by our founder while adapting to modern challenges. This enduring legacy of quality and trust makes us the preferred choice for HVAC and plumbing needs in the Mid-Atlantic region.
Services
HVAC Services
Plumbing
Heating Systems
Air Conditioning
Service Agreements
Details
- Year established: 1912
Highlights and features
- We offer 24/7 emergency HVAC and plumbing services with rapid response times.
- Our technicians are EPA-certified and undergo continuous training on the latest technologies.
- We provide transparent, upfront pricing with no hidden fees or hourly charges.
- Our preventive service agreements save up to 21% on energy costs and repair expenses.
- We serve all of Maryland, Washington DC, and Northern Virginia with local expertise.
Associations and certifications
- EPA Certification
What people say
Excellent service
Professional technicians
Prompt response
Thorough work
Reliable solutions
Services
HVAC Services
John G. Webster provides comprehensive HVAC services including installation, repair, and maintenance for residential and commercial properties. Our EPA-certified technicians handle all system types, from traditional furnaces to geothermal solutions. With 100+ years of experience, we ensure optimal indoor comfort through energy-efficient systems and 24/7 emergency support across the Mid-Atlantic region.
Plumbing Services
Our licensed plumbers offer full-service solutions for residential and commercial clients, including emergency repairs, pipe replacement, and system installations. We specialize in water heaters, boilers, and drain cleaning using advanced camera diagnostics. Backed by 100+ years of experience, we guarantee prompt service and upfront pricing throughout Washington DC, Maryland, and Northern Virginia.
Heating Systems
We install and service all heating system types including furnaces, boilers, and heat pumps. Our technicians provide annual inspections, emergency repairs, and energy-efficient upgrades. With 24/7 availability and preventive maintenance plans, we ensure reliable winter comfort for homes and businesses across the Washington DC metropolitan area.
Air Conditioning
Our HVAC experts deliver complete air conditioning solutions, from ductless mini-splits to central systems. Services include installation, seasonal maintenance, and emergency repairs. We offer energy-efficient options and 24/7 service across Maryland, Northern Virginia, and Washington DC to maintain optimal summer comfort for residential and commercial clients.
Service Agreements
Preventive service agreements cover HVAC and plumbing systems with annual inspections and priority emergency service. Plans reduce repair costs by up to 21% and extend equipment lifespan. Available for residential and commercial clients in the Mid-Atlantic region, these agreements include upfront pricing and 24/7 support.
Questions
What areas do you service?
We serve all of Maryland, Washington DC, and Northern Virginia with residential and commercial HVAC and plumbing services.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC and plumbing services with rapid response times across our service area.
Are your technicians certified?
All our HVAC technicians are EPA-certified and undergo continuous training on the latest industry technologies and safety protocols.
What financing options are available?
We offer industry-leading financing programs to help customers fund HVAC and plumbing projects of any scale.
Do you provide service agreements?
Yes, our preventive maintenance agreements include annual inspections, priority service, and energy cost savings of up to 21%.
How can I schedule service?
Contact us via phone at 202-783-6100 or through our website to schedule emergency or routine HVAC and plumbing services.
