Allied Service Company: Trusted HVAC, Plumbing & Water Heater Services in Washington DC
Allied Service Company has been a reliable home service partner for Washington DC residents and businesses since 1946. With roots going back to 1903, this family-operated firm understands the unique heating, cooling, and plumbing needs of the capital area. Whether it's a historic Georgetown townhouse or a modern downtown office, their team provides efficient solutions you can count on.
Business Overview
Allied Service Company offers 24/7 emergency repairs for HVAC and plumbing systems across Washington DC. Their skilled technicians handle both residential and commercial jobs, from quick fixes to full equipment replacements. The company is known for fast response times and clear communication, making stressful situations easier for homeowners and property managers.
Key Services
Allied Service Company in Washington DC provides a full range of heating, cooling, and plumbing services:
- Heating & Air Conditioning: HVAC installation, replacement, repair, and maintenance for furnaces, heat pumps, and air conditioners. They work on all makes and models.
- Plumbing Services: Plumbing inspection, installation, replacement, and repair for pipes, fixtures, and drains.
- Water Heaters & Recirculation: Water heater installation and repair, plus hot water recirculation pump installation and repair to eliminate wait times for hot water.
These services address common local needs, like keeping older homes warm during DC's chilly winters or ensuring air conditioning runs smoothly during humid summers.
Areas Served
Allied Service Company serves all of Washington DC. Their team knows the area's diverse housing stock, from Capitol Hill rowhouses to Northwest DC apartment buildings. This local knowledge helps them diagnose problems faster and recommend solutions that fit DC homes and businesses.
Company History
The company started in 1903 as a sheet metal installation business in Georgetown. Over more than a century, it evolved into a trusted HVAC and plumbing service firm. Today, Allied Service Company is one of the most respected names in the Greater Washington Area, combining old-school craftsmanship with modern techniques.
Leadership
Owner Bob learned the trade in the Navy while based at the DC Navy Yard in the early 1980s. He joined Allied in 1984, earned his master's license in 1987, and took over the company in 1989. Bob still enjoys hands-on work and often handles installations himself. His Navy training and decades of local experience mean he brings precision and dedication to every job.
Specialties & Highlights
What makes Allied Service Company stand out?
- Fast Service: They're known as the fastest HVAC service in the area.
- Free Estimates: No-cost quotes help customers plan their projects.
- Equipment Replacement Expertise: Specializing in full system replacements for boilers, water heaters, furnaces, heat pumps, and air conditioners.
- Insurance Claim Assistance: Expert help navigating insurance claims for damage-related repairs.
- Affordable & Competent: Fair pricing paired with skilled workmanship.
Why Locals Choose Allied Service Company
Washington DC homeowners and businesses pick Allied Service Company for their reliability, quality, and long-standing presence. With nearly 80 years in business under the current name and a history dating back over 120 years, they've built trust through consistent performance. Their 24/7 availability, free estimates, and hands-on ownership by Bob make them a go-to for HVAC, plumbing, and water heater needs in the capital region.
For friendly service from dedicated professionals, contact Allied Service Company in Washington DC today.
Contact Information
Allied Service Company
: 600 Gallatin St NW, Washington DC, DC 20011
Business Services
- Hot water recirculation pump installation
- Hot water recirculation pump repair
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Water heater installation
- Water heater repair
Business Location & Hours
| Mon: | 6:00 AM - 2:00 AM (Next day) |
| Tue: | 6:00 AM - 2:00 AM (Next day) |
| Wed: | 6:00 AM - 2:00 AM (Next day) |
| Thu: | 6:00 AM - 2:00 AM (Next day) |
| Fri: | 6:00 AM - 2:00 AM (Next day) |
| Sat: | 6:00 AM - 2:00 AM (Next day) |
| Sun: | 6:00 AM - 2:00 AM (Next day) |

























