Belair Engineering: Your Upper Marlboro, MD HVAC & Plumbing Experts

When you need reliable heating, cooling, or plumbing help in Upper Marlboro, Maryland, Belair Engineering has been the local answer for generations. They offer 24/7 emergency service, making sure help is always available when a pipe bursts in the middle of the night or your AC quits on the hottest day of the year. Their team of licensed technicians serves both homes and businesses across the region, focusing on getting the job done right the first time.

Business Overview

Belair Engineering is a full-service HVAC and plumbing contractor based in Upper Marlboro, MD. They handle everything from routine check-ups to major system replacements. Whether you're a homeowner in a historic Bowie neighborhood or managing a commercial building in Columbia, their crew is equipped to handle your project. They understand that Maryland's humid summers and chilly winters put real stress on heating and cooling systems, and they're here to keep you comfortable year-round.

Key Services for Maryland Homes & Businesses

Belair Engineering provides a wide range of services to meet common local needs. Their work is grouped into a few main areas:

  • Heating & Cooling: Installation, repair, and replacement of HVAC systems and heat pumps.
  • Water Heaters & Plumbing: Installation and repair for water heaters, pipes, and fixtures. This includes specialized services like hot water recirculation pump work to get hot water to your faucet faster.
  • Comfort & Backup Systems: Service for gas fireplaces and emergency home standby generators, so you're prepared for any power outage.
  • General Plumbing: Full plumbing inspections, installations, and repairs for both emergencies and planned upgrades.

Areas Served

You can call on Belair Engineering from a wide swath of central Maryland. Their service area includes Upper Marlboro, MD, and extends to Columbia, Waldorf, Glen Burnie, Bowie, Severn, Odenton, Annapolis, Clinton, and dozens more communities. They have working knowledge of the different home styles and building codes found from Anne Arundel County to Prince George's County. This local familiarity helps them provide efficient and effective service.

Company History

The story of Belair Engineering in Upper Marlboro, MD, is a family story. Bob Herring founded the company back in 1962. For over 48 years, they've been helping Maryland residents and business owners achieve total indoor comfort. The company has grown from its roots by sticking to a simple principle: treat every customer like a neighbor. Their long history means they've seen and solved just about every HVAC and plumbing problem a Maryland home can have.

Leadership & Community Ties

Debbie Risher, Bob's daughter, now owns and manages Belair Engineering. She has led the company for over 20 years, continuing her father's legacy of quality work. Debbie is deeply involved in the local community. She is active in the Bowie and Crofton Chambers of Commerce, Kiwanis, and Rotary clubs. She also made history as the first woman president of the Air Conditioning Contractors of America National Capital Chapter (ACCA-NCC). Debbie lives in Anne Arundel County with her husband, Don, so she understands the area's needs firsthand.

Specialties & Highlights

What makes Belair Engineering stand out?

  • 48+ Years of Experience: Few companies in the area can match their depth of knowledge.
  • Brand Expertise: They service a huge range of brands, from York, Rheem, and Trane to Carrier, Lennox, Generac, and many more.
  • 24/7 Availability: Real emergency service, day or night.
  • Dual Expertise: They are licensed for both HVAC and plumbing, so they can often handle complex home comfort issues that involve both systems.

Why Locals Choose Belair Engineering

Residents and business owners in Upper Marlboro, MD, and the surrounding counties keep calling Belair Engineering because they deliver consistent, reliable service. Their long-standing presence in the community builds trust. People appreciate that they are a local, family-run business with deep roots, not a faceless corporation. When you need an HVAC system installed, a water heater repaired, or a plumbing leak fixed, you can count on their team to be professional, straightforward, and focused on your comfort. For nearly five decades, Belair Engineering has been a dependable part of keeping Maryland homes and businesses running smoothly.

Contact Information

Belair Engineering

★★★★☆ 3.9 / 5 (87)

: 15881 Commerce Ct, Upper Marlboro, MD 20774

: (301) 249-0300

: http://www.belaireng.com

Business Services

  • Hot water recirculation pump installation
  • Hot water recirculation pump repair
  • HVAC installation or replacement
  • HVAC system repair
  • Plumbing inspection
  • Plumbing installation or replacement
  • Plumbing repair
  • Water heater installation
  • Water heater repair
  • Water pipe repair

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours




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