HVAC company · Brentwood, MD

John C. Flood

4.7 from 502 Google reviews#20 of 60 HVAC companies near Washington Last updated Nov 1, 2026
76SCORE

About John C. Flood

Do you need plumbing, HVAC, or electrical services? Contact John C. Flood for expert solutions in Northern Virginia, DC, and Maryland.

From the company's website

At a glance

Trades
HVAC, Electrical
In business
122 years (since 1904)
License
d (as listed by the company, not yet verified)
Service area
Brentwood, Maryland
Address
4419 41st St, Brentwood, MD 20722
Highlights
Free estimatesEmergency serviceFinancing available

Services

  • AC repair / service
  • Heating repair
  • Furnace service
  • Heat pump service
  • Ductless mini-split
  • Indoor air quality
  • Thermostats
  • Cooling service

How the 76 score breaks down

Rating quality31.8 / 45
Review volume19.4 / 25
Review recency15.0 / 15
Years in business10.0 / 10
Verified license0.0 / 5

Scores are calculated the same way for every company. See the method.

What customers say

5★
460
4★
9
3★
3
2★
6
1★
24

Very professional, polite and personable. Thoroughly explained the sequence of possible fixes necessary, and performed the service carefully and efficiently. Highly recommend.

Google review, Oct 30, 2026

Javier Ruiz-Gonzalez is very professional, knowledgeable, skillful and helpful. He was very respectful of my home, placed shoe covers when entering, arrived on time, answered all of my questions and cleaned up behind himself once job was completed. They also have "Tap to Pay" for your convenience and have the "Certi…

Google review, Oct 24, 2026

Damon was awesome.

Google review, Oct 20, 2026

Read all 502 reviews on Google

Rating distribution and reviews from the company's public Google listing.

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