Permanent and satisfied users

Atlanta’s Trusted HVAC Experts

Providing Reliable Heating and Cooling Solutions with 24/7 Emergency Support and Expert Service You Can Trust.

Our Services

Expert HVAC services for your home or business – fast, reliable, and done right.

What We Offer

Repair & Maintenance

Keep your systems running smoothly with our fast, affordable repair and regular maintenance services. We fix issues before they become costly problems.

New Installation & Replacement

Whether you’re upgrading your old system or installing one for the first time, we provide expert guidance and top-tier installation for lasting performance and energy efficiency.

Free Estimates & Honest Advice

No surprises, just straightforward, upfront pricing. We offer free estimates and clear recommendations tailored to your space, needs, and budget.

Residential & Commercial HVAC Services

Serving Greater Atlanta, GA for 17+ Years

At On Time Heating and Cooling, we specialize in full-service HVAC solutions for both residential and commercial properties. From quick repairs to full system installations, we keep your comfort a priority, every season, every time.

What to Expect

A Fleet of Trucks & Skilled Technicians

With over 10–20 dedicated team members, we’re always ready to respond quickly and get the job done right the first time. Our fleet of fully-equipped service vehicles ensures we're always nearby when you need us most.

Fast, Reliable Service

We understand the importance of your time. Our technicians arrive promptly, fully prepared to restore comfort to your home or business with minimal disruption to your day.

Expert Technicians You Can Trust

Every technician on our team is fully trained, licensed, and committed to delivering top-quality service. We pride ourselves on expertise, professionalism, and the integrity to get your HVAC system running smoothly.

A Fleet of Trucks & Skilled Technicians

With over 10-20 dedicated employees, we guarantee fast service and response times

How It Works

We’ve simplified HVAC service into a smooth, stress-free process, so you stay comfortable without the hassle.

Professionals

Trusted professionals delivering expert HVAC solutions with precision, care, and a commitment to doing it right the first time.

Frequently Asked Questions

1. Do you offer emergency or same-day HVAC service?

Yes! We offer emergency and same-day services to restore your comfort as quickly as possible, available 24/7 for urgent needs.

We serve a wide range of areas listed on our Google Business profile. If you’re unsure, just give us a call, we’re happy to help!

Absolutely. We offer flexible financing options through Wisetack and Hearth, including a Hearth calculator to help you pre-qualify.

If your system is over 10–15 years old, frequently breaks down, or isn’t energy-efficient, a replacement may be the smarter long-term choice. We’ll assess and give you honest advice.

Yes! Our maintenance plans help prevent costly repairs, improve energy efficiency, and extend the life of your system all with priority service and special discounts.

Most installations and replacements are completed in 1–2 days, depending on the size of your home or building. We’ll give you a clear timeline during your estimate.

We service and install all major brands. Whether it’s Trane, Carrier, Lennox, or another trusted name, our techs are trained to handle it.

Yes, every technician is fully licensed, certified, and insured for your peace of mind.

Our Certifications

Licensed, certified, and trusted to deliver top-tier HVAC solutions with professionalism and care.

Certification - North American Technician

NATE

Official Test Result

Customer Reviews

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