60+ Years of Trusted HVAC & Plumbing Service in Dallas & Fort Worth
Large Enough to Handle Your Needs, Small Enough to Remember Your Name
- Proudly rated 4.9 from 2.3k+ customer reviews
Complete Home Comfort Solutions for Dallas & Fort Worth
From emergency repairs to new installations, our certified technicians provide comprehensive HVAC and plumbing services throughout the Dallas-Fort Worth area. No matter what comfort challenge you're facing, we have the expertise and equipment to solve it right.
Why 2,500+ Dallas Fort Worth Families Trust Dial One Johnson
60+ Years of Excellence
Three generations of the Johnson family have built our reputation on honest service, quality workmanship, and treating every customer like family. Our A+ BBB rating and thousands of five-star reviews reflect decades of satisfied customers.
Local Expertise
As lifelong North Texas residents, we understand our unique climate challenges and building styles. Our technicians are trained on local codes, utility systems, and the specific needs of Dallas and Fort Worth homes and businesses.
Family Values, Professional Service
We're not a corporate chain – we're your neighbors. Every service call reflects our family name and reputation. That's why we provide upfront pricing, guaranteed satisfaction, and the personal attention you deserve.
Earning the trust of our community, one home at a time
Current Specials & Savings
Exclusive offers and savings, from Dial One Johnson to you.

$9.99/mo*
Advantage Plan
*Up to 4 units in the home. Complete HVAC tune-up and plumbing inspection. Includes AC tune-up, heating tune-up, water heater flush, plumbing inspection and video of the main sewer line. Plan pricing is $9.99/month with a minimum 12-month commitment

$49
AC Cooling Tune Up
*For residential service only — cannot be applied to past jobs or combined with other coupons. 1 unit only, includes 1" filter change

$99
Water Heater Flush
*For residential service only — cannot be applied to past jobs or combined with other coupons. Based on the condition or age of your water heater, it might be unsafe to flush your water heater. The technician will determine while onsite if it might be detrimental to flush your water heater and give an honest recommendation
What is the Whole Home Advantage Plan?
Protect Your Investment with Our Whole Home Advantage Plan
Get over $1,400 in maintenance services for just $99 per year. Our comprehensive plan includes HVAC tune-ups, plumbing inspections, priority service, and 15% off all repairs.
- Complete HVAC and plumbing maintenance
- Priority emergency service
- 15% discount on repairs
- Transferable membership
When Comfort Can’t Wait: 24/7 Emergency Service
AC Emergency?
Same-day cooling repairs when Texas heat is dangerous
Plumbing Crisis?
Immediate response for leaks, clogs and water emergencies
Heating Breakdown?
Priority response during cold snaps and winter storms
Gas Leak?
Emergency safety service available around the clock
Proudly Serving Dallas & Fort Worth Communities
From downtown Dallas and Fort Worth to suburban communities throughout the Metroplex, our family of certified technicians provides reliable HVAC and plumbing services where you need them.
Primary Service Areas
Commercial HVAC & Plumbing Services
From Dallas’s business district to Fort Worth’s industrial corridors, from Dallas’s commercial developments to Dallas’s diverse business community, we provide the responsive service and technical expertise that keeps North Texas businesses running smoothly. We service:
- Office complexes and professional buildings
- Retail units and centers
- Industrial and manufacturing facilities
- Healthcare and educational campuses
What Our Dallas & Fort Worth Neighbors Are Saying
Pleasant and professional from start to finish…
Diagnosed and fixed my furnace in minutes…
An absolutely wonderful experience…
Professional, efficient, and my go-to for plumbing…
Prompt, polite, and out within hours…
We were impressed by their expertise and honesty…
Real stories from real customers
Latest HVAC & Plumbing Tips

A Guide to Changing Your Toilet Flapper and Valve
Does your toilet seem to run constantly? The problem could be a worn flapper or a defective toilet fill valve. While it’s usually best to

Six Signs It’s Time To Replace Your Kitchen Faucet
When it comes to your home’s plumbing, you might not give your kitchen faucet much thought. Unfortunately, this type of hardware has an expiration date;
Can You Get Carbon Monoxide Poisoning From an AC Unit?
Carbon monoxide is a dangerous gas you never want to let loose inside your home. It’s possible to face disastrous results from a leak, but
Rooted in Dallas Since 1965
Three generations of the Johnson family serving the wonderful communities we call home.
Our commitment goes beyond business, it’s about showing up when neighbors need us most. When a neighbor faces hardship, we show up, whether that means donating labor for veterans’ housing, helping families who can’t afford emergency repairs, or supporting the schools and organizations that strengthen our community.
For over 60 years, we’ve believed that taking care of our neighbors is simply the right thing to do.