Harlen Johnson HVAC, Plumbing & Electrical

About Harlen Johnson HVAC, Plumbing & Electrical

Harlen Johnson HVAC, Plumbing & Electrical is an HVAC contractor based in Dallas, TX. The company provides heating, ventilation, and air conditioning services for homeowners and commercial clients across the Dallas-Fort Worth metroplex, including Plano, Richardson, Irving, Garland, and surrounding North Texas communities. North Texas weather swings from humid summers above 100 degrees F to sudden winter freezes, so heat load calculations, attic insulation, and reliable furnace backup matter for year-round comfort.

Products & Services Offered

• Indoor air quality upgrades including filtration and humidity control
• Thermostat installation including smart and programmable models
• Emergency HVAC service for no-cool and no-heat situations
• Central air conditioning installation and replacement

Why choose Harlen Johnson HVAC, Plumbing & Electrical?

Strong community reputation is built one service call at a time, especially when emergencies happen after normal business hours.

Service Area

Serving Dallas-Fort Worth metroplex, including Plano, Richardson, Irving, Garland, and surrounding North Texas communities.