Harlen Johnson HVAC, Plumbing & Electrical
Dallas, TX HVAC · #10 of 20 · BBB A+ · 69+ yrs
At a glance
- Google rating
- 4.8★ from 1,175+ reviews
- In business
- 69+ years
- BBB
- A+
- Services
- 6 HVAC services
- Service area
- Dallas, TX + 1 nearby
- Phone
- +1-972-241-7771
Overview
Harlen Johnson HVAC, Plumbing & Electrical provides expert HVAC and plumbing services in Dallas, Texas. Operating since 1957, this company brings over six decades of experience to local residential and commercial properties. Technicians frequently receive praise for their professional conduct and clear communication during complex system repairs. Their team understands the unique demands of Dallas summers, offering tailored solutions to keep cooling systems running efficiently. Customers consistently highlight the company's commitment to accountability and high-quality workmanship.
Harlen Johnson HVAC, Plumbing & Electrical provides comprehensive heating, cooling, and indoor air quality services to Dallas homeowners and businesses. Serving the region since 1957, the company maintains a long-standing reputation for technical expertise and reliable system installations. Staff members prioritize clear communication and customer comfort during both emergency repairs and scheduled maintenance visits. Their team offers integrated solutions for HVAC systems, plumbing, and sewer maintenance to address diverse property needs.
Vouched Score breakdown — 83/100
Above the Dallas, TX HVAC average of 81/100. Ranks #10 of 20 listed HVAC providers in Dallas, TX.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Harlen Johnson HVAC, Plumbing & Electrical compares to the Dallas average
| Signal | Harlen Johnson HVAC, Plumbing… | Dallas avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 73/100 | +10 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,175+ | 1,270+ | -96 vs avg |
| Years in business | 69+ | 38+ | +31 vs avg |
What customers say
"Harlan Johnson maintains & services our commercial HVAC units. Very impressed with how this company handled a recent service situation. When a follow-up issue came up, the service manager took the time to review it and resolved everything quickly and fairly. That kind of accountability and customer care is rare these days. I truly appreciate a company that stands behind their work."
— Deborah Mcfarland · Mar 6, 2026 · Google Reviews"This review is not really about NTX but about the person they sent out from a different company. His name was Miguel and he was excellent. Very knowledgeable, didn't rush thru his evaluation of our problems even though it was very late in the afternoon/evening! He works for Harlin Johnson Plumbing and I would definitely use him again fingers crossed we don't need one anytime soon!"
— Brenda Deneault · Jul 18, 2025 · Google Reviews"Best service I’ve received for any type of home repair in years. Jennifer at dispatch was so caring and efficient. Our technician, Jesus, was top notch an went above and beyond to help. He was also patient with our toddler and dog. I highly recommend."
— Melinda Balli · Jan 25, 2026 · Google Reviews"The HJ tech Charles was on-time, friendly, and professional on the HVAC maintenance visit. He patiently answered my questions, and was efficient and clean in his work. I would definitely use him and HJ again in the future."
— Eric Essig · Feb 26, 2026 · Google Reviews"Jose rescued my house. I had 50 year old cast iron pipes that had to be replaced, plus other plumbing issues. Jose was so patient with me as I had lots of questions, and he explained things clearly. He was professional, yet always sensitive to my anxieties that come with undertaking such a huge disruptive project. It was clearly evident that he took immense pride in doing his job well. It was a comfort knowing …"
— Lois Russell · Feb 16, 2026 · Google ReviewsPros
- High Google rating (4.8★ across 1,175+ reviews)
- Long-established (69+ years in business)
Self-reported on their website — not independently verified.
- Satisfaction guarantee
When to choose them
- You need furnace repair
- You have a commercial property
- You want a top-rated provider with substantial review history (4.8★, 1,175+ reviews)
- You value a long-tenured local operator (69+ years in business)
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Commercial HVAC — Commercial HVAC service for offices, retail, and light-industrial spaces — rooftop units, package units, and split systems.
- HVAC Maintenance Plans
Service area
Dallas, TX home · Irving, TX 7 mi
Contact & hours
| Daily | Open 24/7 |
|---|
Frequently asked questions
What are the pros of Harlen Johnson HVAC, Plumbing & Electrical?
When should I choose Harlen Johnson HVAC, Plumbing & Electrical?
What is the Vouched Score for Harlen Johnson HVAC, Plumbing & Electrical?
Is Harlen Johnson HVAC, Plumbing & Electrical BBB accredited?
How long has Harlen Johnson HVAC, Plumbing & Electrical been in business?
How can I contact Harlen Johnson HVAC, Plumbing & Electrical?
What does HVAC service typically cost when working with a Dallas, TX provider like Harlen Johnson HVAC, Plumbing & Electrical?
Does Harlen Johnson HVAC, Plumbing & Electrical do AC Repair in Dallas, TX?
Does Harlen Johnson HVAC, Plumbing & Electrical do Furnace Repair in Dallas, TX?
Does Harlen Johnson HVAC, Plumbing & Electrical do HVAC Installation in Dallas, TX?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harlen Johnson HVAC, Plumbing & Electrical (this company) |
83/100 | 4.8★ (1,175+) | 69+ | A+ | — | — |
| 83/100 | 4.9★ (525+) | 10+ | — | — | Best for Heat Pumps | |
| 65/100 | 4.9★ (5,485+) | 105+ | A+ ✓ | — | — | |
| 68/100 | 4.8★ (490+) | 42+ | — | — | Best Labor Warranty |
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Profile last updated May 13, 2026.