One Hour Heating & Air Conditioning of Johnson County

One Hour Heating & Air Conditioning of Johnson County We believe everyone deserves a safe and comfortable home. The best HVAC Service in Johnson County.
(478)

06/19/2026

Being On Time Matters

When your air conditioner quits in the middle of summer, every minute counts. That's why you can rely on One Hour to deliver fast, reliable HVAC service when you need it most. Your time is valuable, and we're committed to respecting it with On Time arrivals and professional service.

Experience the difference that dependable, on-time service makes.

📞 Call 913-ONE-HOUR today for same-day HVAC service.�
🌐 mybigyellowtruck.com

06/17/2026

David O. left a ⭐⭐⭐⭐⭐ review for Josh.

Following a recent service visit, David shared that Josh did an exceptional job diagnosing and repairing his AC issue. He praised Josh for arriving promptly, quickly identifying the problem, and completing the repair with professionalism and efficiency. David also noted that his AC has been running great ever since the service was completed.

AC Issues? Call One Hour for Same-Day Service.

📞 913-ONE-HOUR
🌐 mybigyellowtruck.com

One Hour Heating & Air Conditioning
Always On Time... Or You Don't Pay A Dime!®

Proudly Local. Family-Owned. Serving You Since 1987.




06/15/2026

This summer, if your air conditioner decides to quit, One Hour Heating & Air Conditioning is ready to help with immediate, same-day service. Our experienced technicians are standing by to get your home comfortable again. Fast.

Call or visit
📞 913-ONE-HOUR
🌐 mybigyellowtruck.com

Your comfort doesn't wait. Neither does One Hour.

One Hour. Always On Time... Or You Don't Pay A Dime!®

Proudly Local. Family-Owned. Serving You Since 1987.




06/14/2026

When your AC goes out, your comfort can’t wait. Call One Hour for Same-Day AC Service.

📞 913-ONE-HOUR
🌐 mybigyellowtruck.com

One Hour Heating & Air Conditioning. Always On Time... Or You Don't Pay A Dime!®

Proudly Local. Family-Owned. Serving You Since 1987.




Congratulations, Javier, on 9 years of excellence and dependability at One Hour!Your expertise, attention to detail, wil...
06/13/2026

Congratulations, Javier, on 9 years of excellence and dependability at One Hour!

Your expertise, attention to detail, willingness to help, and humble, down-to-earth attitude are just a few of the reasons our customers appreciate you so much and why we do too.

Thank you for your hard work, dedication, and commitment over the past nine years. Your contributions have made a lasting impact on our team and the customers we serve.

Happy 9th Anniversary, Javier! We look forward to many more years of success together.

A/C issues? Call 913-ONE-HOUR.

Trust your local team right here in Johnson County. Same-day service available.

Proudly Local. Family-Owned. Serving You Since 1987.




06/10/2026

Thermostat acting strange? Blank screen? Wrong temperature? Not responding at all?

Your thermostat is the brain of your HVAC system, and when something isn't right, your comfort can suffer.

If you're dealing with thermostat problems, our team can help diagnose the issue and get your system back on track fast.

📞 913-ONE-HOUR
🌐 mybigyellowtruck.com

One Hour Heating & Air Conditioning�Always On Time... Or You Don't Pay A Dime!®

Proudly Local. Family-Owned. Serving You Since 1987.




06/08/2026

What’s hiding inside your HVAC system?

Out of sight doesn’t always mean out of mind. Dust, sludge, and ice buildup can collect inside your system over time, reducing efficiency and affecting performance.

Think your system might need some attention? Give One Hour a call today.

📞 913-ONE-HOUR
🌐 mybigyellowtruck.com

Today, we’re celebrating Tristen’s 4th Anniversary with One Hour!Your thorough approach, attention to detail, and commit...
06/07/2026

Today, we’re celebrating Tristen’s 4th Anniversary with One Hour!

Your thorough approach, attention to detail, and commitment to continuous growth are just a few of the qualities that make you one of our trusted Team Leads. Your willingness to support and develop those around you has made a lasting impact on both our team and our company.

We appreciate the leadership, professionalism, and positive attitude you bring each day. Thank you for your hard work, dedication, and contributions over the past four years.

Keep up the great work, and Happy Anniversary, Tristen!

AC issues? Call 913-ONE-HOUR Same-day service available. Proudly Local. Family-Owned. Serving You Since 1987




06/05/2026

A hot house can turn a good summer day into a miserable one fast.

At One Hour Heating & Air Conditioning of Johnson County, we're here to help with AC repairs, maintenance, and new system installations. When your comfort is on the line, trust the local team that's focused on fast, reliable service.

Don't sweat it. Call One Hour and get back to enjoying a cool, comfortable home.

913-ONE-HOUR or visit mybigyellowtruck.com

Pinky promise?Let's keep your house cool, your ice cream frozen, and avoid any summertime meltdowns. When your air condi...
06/04/2026

Pinky promise?

Let's keep your house cool, your ice cream frozen, and avoid any summertime meltdowns.

When your air conditioner stops working, timing matters. Call your local HVAC experts at One Hour Heating & Air Conditioning of Johnson County for immediate, same-day service.

📞 913-ONE-HOUR�
🌐 mybigyellowtruck.com

Address

1804 E 123rd Street
Olathe, KS
66061

Opening Hours

Monday 6am - 9pm
Tuesday 6am - 9pm
Wednesday 6am - 9pm
Thursday 6am - 9pm
Friday 6am - 9pm
Saturday 7am - 9pm
Sunday 7am - 9pm

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