Business Details
50+ Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Washington, DC
H D Johnson has been a trusted provider of heating, cooling, and plumbing solutions for Washington, DC, and surrounding areas since 1934. As a family-owned business, we prioritize honest service, affordability, and technical excellence, backed by a team of technicians with over 15 years of average tenure. Our expertise spans HVAC repair, installation, and maintenance, as well as comprehensive plumbing services, ensuring homes operate efficiently and comfortably.Recognized as a Carrier Factory Dealer, we adhere to rigorous standards for ethics, customer satisfaction, and technical proficiency. Our commitment to 24/7 emergency repair services underscores our dedication to protecting clients against unexpected issues. With decades of experience, we combine personalized attention with advanced tools to deliver lasting solutions tailored to individual needs.
Services
Air Conditioning Repair
Heating Service
Plumbing Installation
HVAC Maintenance
Gas Product Installation
Emergency Repair
New Construction Plumbing
Radiant Heating
Geothermal Heating
Steam Heating
Details
- Year established: 1934
Highlights and features
- We offer over 90 years of experience in HVAC and plumbing services.
- Our team consists of certified technicians with over 15 years of average tenure.
- We provide 24/7 emergency repair services across our service areas.
- We are a Carrier Factory Dealer committed to industry-leading standards.
- We guarantee honest service at affordable prices with no hidden fees.
Associations and certifications
- Carrier Factory Dealer
What people say
Top notch
Excellent work
5 Star operation
Courteous
Dependable
Services
Air Conditioning Repair
Our certified technicians provide fast, reliable air conditioning repair services to restore comfort in Washington, DC homes. Using advanced diagnostics, we address refrigerant leaks, compressor issues, and system failures. With 24/7 emergency availability, we minimize downtime while ensuring energy efficiency and long-term performance.
Heating Service
We offer comprehensive heating system maintenance and repair for furnaces, boilers, and radiant systems. Our technicians perform safety checks, efficiency tune-ups, and emergency repairs to ensure reliable winter operation. Regular maintenance extends equipment lifespan and reduces energy costs for homeowners.
Plumbing Installation
Our licensed plumbers handle full-scale plumbing installations for new construction and renovations. Services include water heater installation, pipe routing, fixture setup, and gas line connections. We follow local codes and manufacturer specifications to ensure leak-free, durable systems that meet household demands.
Gas Product Installation
We specialize in safe, code-compliant installation of gas appliances including pool heaters, fire pits, and kitchen ranges. Our technicians conduct pressure tests, venting checks, and operational diagnostics to ensure optimal performance and safety for residential gas systems.
Emergency Plumbing Service
Available round-the-clock, our emergency plumbers address burst pipes, sewer backups, and fixture failures. Rapid response teams arrive equipped with diagnostic tools and repair materials to minimize water damage and restore functionality within hours of service calls.
Questions
What HVAC services does H.D. Johnson offer?
We provide AC repair, heating system maintenance, furnace installation, HVAC diagnostics, and 24/7 emergency services for residential clients in Washington, DC and surrounding areas.
How long has H.D. Johnson been in business?
H.D. Johnson has served homeowners since 1934, providing over 90 years of combined HVAC and plumbing expertise through our experienced technician team.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency plumbing repair services for burst pipes, leaks, and system failures across our service areas.
Are your technicians certified?
All our technicians undergo extensive training and hold industry certifications, with an average tenure of 15+ years ensuring consistent service quality.
What areas do you service?
We serve Washington, DC, Bethesda, Chevy Chase, Arlington, McLean, Silver Spring, Potomac, and Rockville, with rapid response times across our service footprint.
Why choose H.D. Johnson for HVAC needs?
As a Carrier Factory Dealer since 1934, we combine family-owned reliability with technical expertise, offering honest pricing and 24/7 emergency support for all heating and cooling systems.
