Harlen Johnson HVAC, Plumbing & Electrical

Harlen Johnson HVAC, Plumbing & Electrical is an HVAC contractor in Dallas, TX, located at 2643 Royal Ln. The company provides heating, air conditioning, plumbing, and electrical services to residential and commercial customers. Founded in 1957, the business offers same-day service and 24/7 emergency support. Its capabilities include AC repair, installation, and replacement; furnace and heat pump repair and installation; ductless AC and heating systems; indoor air quality solutions; and commercial HVAC services. Plumbing services cover water heater installation, drain and sewer cleaning, hydro jetting, re-piping, and fixture repairs. The business holds a rating of 4.80 based on customer reviews.

Harlen Johnson HVAC, Plumbing & Electrical serves Dallas and Carrollton, Texas, with a focus on energy-efficient equipment and practical guidance for repairs versus replacements. Technicians inspect equipment before work begins, explain causes, and recommend solutions that fit the customer’s budget and lifestyle. The company provides maintenance options with no long-term contract required to extend equipment life and catch small issues early. Service agreements are available to reduce service emergencies. The team handles airflow problems, thermostat concerns, refrigerant issues, frozen coils, and short cycling. For aging systems, the business discusses energy-efficient heating and cooling installation options.

The plumbing division addresses leaks, clogged fixtures, low water pressure, running toilets, and damaged pipes in kitchens, bathrooms, and utility rooms. The sewer and drain team tackles clogs, backups, slow drains, sewer odors, and damaged lines using professional equipment like hydro jetting. The company also identifies recurring clogs and helps property owners prevent water damage. Ductless services include installation, repair, and maintenance for both cooling and heating, allowing for zoned climate control without ductwork.

Harlen Johnson HVAC, Plumbing & Electrical provides reliable expertise to the Dallas community.

The business is situated on Royal Lane, just a short walk from the Royal Lane train station and the Asian Trade District. It is also located near Harry Hines Boulevard and the Dallas Post Office, Northaven Station.

BizScoreAI awarded a perfect 100 out of 100 for its Discoverability score, which ensures AI crawlers can find every page of the website so assistants can recommend the business. The company received a 90 out of 100 for its Technical score. Additionally, the business ranks number 1 of 29 HVAC businesses that BizScoreAI has scored in Dallas.

Services:

• AC Installation and Replacement
• Ductless AC Services
• Electrical Panel Repair and Installation
• Emergency Generator Installation
• Plumbing Repair and Replacement