Harlen Johnson HVAC, Plumbing & Electrical
HVAC contractor · Plumber · Electrician · Dallas, Texas
Northwest Dallas
Unclaimed profile · Is this your business?
About Harlen Johnson HVAC, Plumbing & Electrical
Harlen Johnson HVAC, Plumbing & Electrical is a hvac contractor in Northwest Dallas, Dallas, rated 4.8 out of 5 from 1,209 Google reviews. Services listed include hvac contractor, air conditioning contractor, plumber, electrician.
Serving Dallas, TX since 1957, Harlen Johnson HVAC, Plumbing & Electrical is a trusted name for dependable home services in Dallas, Carrollton, and the Dallas - Fort Metroplex. We specialize in air conditioning repair, installation, and maintenance, professional heating repair and installation, licensed plumbing services, and electrical work — keeping your home or business comfortable and safe year-round. Our experienced technicians focus on energy efficiency, reliability, and personalized solutions, with 24/7 emergency service available when you need it most. Call today to schedule service.
Ratings
- 4.81,209 Google reviews, checked 27 Oct 2026Read all reviews on Google
Star breakdown
- 5 ★94%
- 4 ★1%
- 3 ★0%
- 2 ★1%
- 1 ★3%
Ratings and review counts are shown as we found them on the date shown, with a link to every review. Reviews of every star rating are shown; we don't hide low ratings. Reviews policy
How Harlen Johnson HVAC, Plumbing & Electrical compares
Against 35 hvac and air conditioning in Dallas listed here, from their Google listings.
- Google rating
- 4.8
- In line with the local average of 4.8; rated higher than 14% of them
- Number of reviews
- 1,209
- Local average 3,027; 24th of 35 by number of reviews
- Replies to reviews
- 94%
- Of its latest 50 Google reviews; local average 86%
- New reviews
- 9.7 a month
- Latest review 27 Oct 2026; local average 26.5
Worked out from public Google data, checked 27 Oct 2026. Reply rate and pace use the latest reviews only. How we work these out
Own Harlen Johnson HVAC, Plumbing & Electrical? Claim this profile to see your full report and how to improve these numbers.
What customers mention
Topics that come up most in Harlen Johnson HVAC, Plumbing & Electrical's Google reviews, with how many reviews mention each.
- knowledgeable staff · 326
- courteous staff · 73
- clear explanations · 58
- knowledgeable technician · 49
- problem diagnosis · 34
- tankless water heater · 28
- water heater replacement · 20
- leak repair · 12
- leak detection · 9
- gas leak repair · 7
Features and amenities
Services offered
- Installation
- Repairs
Service options
- On-site services
- Online estimates
Parking
- On-site parking
- Free car park
From the business
- Black-owned
- Small business
As listed on the business's Google Business Profile.
Services
- HVAC Contractor
- Air Conditioning Contractor
- Plumber
- Electrician
Questions about Harlen Johnson HVAC, Plumbing & Electrical
Is Harlen Johnson HVAC, Plumbing & Electrical open 24 hours?
Yes. Harlen Johnson HVAC, Plumbing & Electrical lists itself as open 24 hours a day, 7 days a week, according to its Google Business Profile.
Is Harlen Johnson HVAC, Plumbing & Electrical open at the weekend?
Yes, Harlen Johnson HVAC, Plumbing & Electrical opens on Saturdays and Sundays. See the opening hours on this page.
How late is Harlen Johnson HVAC, Plumbing & Electrical open?
On its latest day, Harlen Johnson HVAC, Plumbing & Electrical is open until midnight. Hours vary by day; check the table on this page.
Can I get an estimate from Harlen Johnson HVAC, Plumbing & Electrical online?
Yes, Harlen Johnson HVAC, Plumbing & Electrical offers online estimates.
What is Harlen Johnson HVAC, Plumbing & Electrical's rating?
4.8 out of 5 from 1,209 Google reviews, checked 2026-10-27.
What do customers mention most about Harlen Johnson HVAC, Plumbing & Electrical?
In Google reviews, customers most often mention knowledgeable staff (326 reviews), courteous staff (73 reviews), clear explanations (58 reviews), knowledgeable technician (49 reviews).
Where is Harlen Johnson HVAC, Plumbing & Electrical?
Harlen Johnson HVAC, Plumbing & Electrical is a hvac contractor in Northwest Dallas, Dallas. The address is 2643 Royal Ln, Dallas 75229.