Harlen Johnson HVAC, Plumbing & Electrical

Harlen Johnson HVAC, Plumbing & Electrical North Texas Air and Harlen Johnson have joined forces to provide you the same great locally owned heating, air conditioning and refrigeration!

Harlen Johnson Heating & Air Conditioning Heating and AC stands at the forefront of heating and air conditioning services in Dallas, Carrolton, TX. We take pride in our expertise, professionalism, and commitment to meeting your needs promptly. Whether you require emergency assistance or routine maintenance, our skilled team possesses the knowledge and proficiency to execute the job with excellence.

This Father's Day, invest in your home's comfort, safety, and reliability. For a limited time, save 15% Off Service* and...
06/04/2026

This Father's Day, invest in your home's comfort, safety, and reliability. For a limited time, save 15% Off Service* and save up to $1,500 on Select HVAC Systems, Tankless Water Heaters & Whole-Home Generators OR Save $200 on a New Water Heater. Schedule your estimate today and take advantage of this special seasonal offer.

This Offer Ends:
JUNE 21, 2026

Call 972-241-7771 to Schedule Service

Up to $1,500 Off—Kick Off Summer with a New HVAC System! Don’t wait until the first heat wave. Now is the time to upgrad...
05/14/2026

Up to $1,500 Off—Kick Off Summer with a New HVAC System! Don’t wait until the first heat wave. Now is the time to upgrade your HVAC system and take advantage of special seasonal savings.

Reach out today to learn more and see how much you can save.
This Offer Ends: SUNDAY, MAY 31, 2026
Call Us at 972-241-7771

💐 Give Mom One Less Thing to Worry About—Enjoy 15% Off Any Service 💐Before summer storms ⛈️, heat waves ☀️, and busy day...
04/22/2026

💐 Give Mom One Less Thing to Worry About—Enjoy 15% Off Any Service 💐

Before summer storms ⛈️, heat waves ☀️, and busy days arrive, take care of what matters most—your home 🏡

Whether it’s your A/C ❄️, plumbing 🚿, or electrical ⚡, now’s the perfect time to get everything running right.

👉 Save 15% OFF any HVAC, plumbing, or electrical service when you book before Mother’s Day!*

Because Mom deserves comfort, safety, and peace of mind all summer long 💙

📅 Offer ends Sunday, May 10, 2026
📞 Contact us today to schedule!

Electrical standards are evolving, and that directly impacts the safety and reliability of your home or property ⚡Part 2...
04/20/2026

Electrical standards are evolving, and that directly impacts the safety and reliability of your home or property ⚡

Part 2 of NEC 2026 focuses on how entire systems work together, including:

• Outdoor emergency disconnects for faster response 🚨
• Expanded surge protection in living spaces 🛏️
• Safer EV charging setups 🔌
• Smarter energy management to prevent overloads 📊

What does this mean for you?

✔ Safer electrical systems
✔ Better protection for your devices
✔ More reliable power when you need it most

These updates are designed to reduce risk and improve how your electrical system performs every day.

If you’re planning upgrades, installing EV chargers, or replacing electrical equipment, making sure everything meets the latest standards is key.

💾 Save this for future reference
📲 Share with someone planning a home upgrade

NEC 2026 is bringing major changes, and if you’re in electrical, HVAC, or construction, this directly impacts your work....
04/16/2026

NEC 2026 is bringing major changes, and if you’re in electrical, HVAC, or construction, this directly impacts your work.

From expanded arc flash labeling to new GFCI requirements for outdoor HVAC, these updates are all about one thing: safety + compliance.

⚠️ Missing these changes can mean:
• Failed inspections
• Liability risks
• Unsafe installs

👉 And remember—local codes can vary, so always verify with your municipality.

💾 Save this post & stay ahead of code updates.

Don’t wait for a small electrical issue to turn into a big (and expensive) problem ⚠️For a limited time, get a $59 Elect...
04/13/2026

Don’t wait for a small electrical issue to turn into a big (and expensive) problem ⚠️

For a limited time, get a $59 Electrical Inspection and make sure your home is safe, efficient, and up to code.

✨ And since you’re already taking care of your home…
Most homeowners are bundling and saving with our April specials:
✔️ $59 AC Tune-Up
✔️ $59 Plumbing Inspection

One visit. Total peace of mind.

📞 Call now to book while spots are still open.

04/06/2026

Home repairs can feel overwhelming, especially when they happen unexpectedly.

This quick walkthrough shows you how to apply for financing in under 3 minutes, so you can take care of the issue now without carrying all the pressure upfront.

It’s a simple way to move forward with what your home needs while keeping your budget manageable.

📞 Ask us about financing options at 972-241-7771, we’ll guide you through it. Or visit hjac.com

🌩️ Storms are expected across Dallas and North Texas this weekend, with the highest risk late Friday into Saturday.Heavy...
04/03/2026

🌩️ Storms are expected across Dallas and North Texas this weekend, with the highest risk late Friday into Saturday.

Heavy rainfall, lightning, and strong storms can lead to unexpected power outages—especially with forecast totals reaching 1–2 inches, and up to 3.5” in some areas.

Most homeowners don’t think about backup power until everything shuts off at once.

A home generator keeps your lights, AC, and essentials running—no waiting, no guessing.

At Harlen Johnson HVAC, Plumbing & Electrical, we’ve been helping Dallas homeowners stay prepared for over 30 years with clean, code-compliant installations.

📞 Ask us about emergency generator options before the next outage

Address

2643 Royal Lane
Dallas, TX
75229

Telephone

+19725354858

Website

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