DC Metro's trusted HVAC, plumbing & construction — 1053 five-star reviews

25+ Years Serving the DC Metro Area

DC Metro's Trusted HVAC, Plumbing & Construction Experts

  • Open 24/7 — including weekends & holidays
  • Licensed, insured & background-checked
  • 751 verified reviews · 4.9★ average rating
  • Same-day service available
Call (202) 615-5574
1053
Verified Reviews
25+
Years Experience
5★
Avg Rating
24/7
Emergency Service
⭐Google Verified
✅HireNimbus Verified
🏅Licensed & Insured
🕐Open 24/7
★★★★★5· 1053 Verified Reviews
Why AZA

The Difference You'll Feel

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25+ Years of Expertise

Deep trade knowledge means faster diagnosis and lasting repairs across HVAC, plumbing, and general construction.

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Same-Day & Emergency Service

Available 24/7 every day. Furnace out at midnight? AC failing in a heatwave? AZA responds fast.

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Licensed, Insured & Affordable

Fully licensed and insured. High-quality work at fair prices — no shortcuts, no surprise charges.

What We Do

HVAC, Plumbing & Construction Services

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HVAC

HVAC Installation & Repair

Expert installation, tune-ups & repairs for all brands

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Furnace

Furnace & Gas Furnace Repair

Same-day furnace diagnostics and repair

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Air Conditioning

A/C Installation & Repair

AC installation, replacement & repair for all brands

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Plumbing

Plumbing & Drain Repair

Fast, clean plumbing repairs with lasting results

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Leak Detection

Leak Detection & Inspection

Professional scanning before problems escalate

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Duct Cleaning

Air Duct Cleaning

Thorough duct cleaning improves air quality

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Customer Reviews

What Homeowners Say

Jonson
Google
8/24/2026
★★★★★

“Historic Masonry n Foundation did outstanding work on our foundation repair. The team knew old homes and handled the stonework with real care. On time, clean job site, and solid communication. Worth every penny for quality work.”

★★★★★

1053 verified reviews — 5 average

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Where We Work

Service Areas & Hours

Cities We Serve

Washington DC, DCArlington, VAAlexandria, VAFairfax, VAMcLean, VAFalls Church, VATysons, VAReston, VABethesda, MDSilver Spring, MDRockville, MDChevy Chase, MD

24/7 Emergency Line: Urgent HVAC failures, burst pipes, heating emergencies — call (202) 615-5574 any time.

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Business Hours

Open 24 Hours

Every day — including weekends & holidays

MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours
Call (202) 615-5574
About AZA Heating, Cooling, Plumbing & Construction

25+ Years Serving DC Metro Homeowners

AZA Heating, Cooling, Plumbing & Construction is led by Zahid Ali — a licensed, insured contractor with over 25 years of experience serving Washington DC, Northern Virginia, and Maryland. We handle everything from HVAC installation and repair to plumbing, leak detection, duct cleaning, and residential construction.

Our 24/7 availability means you're never stuck waiting for help in an emergency. When we arrive, you get an honest diagnosis and a clear upfront quote — no surprises.

Fully LicensedFully InsuredBackground Checked25+ Years Experience4.9★ · 751 Reviews
Available Right Now

Ready to Book? We're Open 24/7.

Same-day service across Washington DC, Northern Virginia, and Maryland. Zahid and the AZA team respond fast — call or book online.

📞(202) 615-5574
Call or text · answered 24/7

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