Your Local North Atlanta Team Committed to Comfort, Trust, and Reliability

Expert Heating & Cooling Service Backed by Real Guarantees.

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One Hour Heating & Air Conditioning

Local Experts. Trusted Service. Proven Standards.

  • 1360 Union Hill Rd #5F, Alpharetta, GA 30004

  • Open 24 Hours

  • Available 24/7 for emergency service

  • Google Verified and backed by the One Hour on-time guarantee

Current Offers

Clear Upfront Pricing You Can Trust

  • $109 Tune-Up plus a no-breakdown warranty.

  • 10% Off Any Repair for New Customers

  • Up to $4,000 Off Qualifying New HVAC Systems

  • $50 Off Any Repair Over $250

  • $100 Off Any Repair Over $500

All offers current as of May 2026. Contact us for more details & to confirm availability.

Our Service Areas

We proudly serve homes across northern metro Atlanta, including:

Frequently Asked Questions

What areas do you serve?

We serve homes across northern metro Atlanta including Alpharetta, Cumming, Dunwoody, East Cobb, Milton, Roswell, and Sandy Springs.

Do you offer emergency HVAC service?

Yes — we are available 24/7 for emergency heating and cooling service. Call us anytime at 470-657-0335.

Are your technicians background-checked?

Absolutely. Every One Hour technician is background-checked, drug-tested, and trained to the highest professional standards.

What does the on-time guarantee mean?

Always On Time, Or You Don't Pay a Dime!® If we don't arrive within your scheduled service window, the service is free.

Ready for Reliable Home Comfort?

Whether you need service, repair, or a system upgrade, our team is here to help. We make it easy to get expert solutions, upfront pricing, and dependable service.

CLAIM YOUR REBATE SAVINGS TODAY

Thank you for your interest in the Georgia HEAR Program. To help determine whether you may qualify for a rebate on a new heat pump system, please complete the short pre-qualification form below.

We serve North Atlanta homeowners only.

Complete the form below or give us a call at 404-480-4941 to see if it is a good fit for you!