What does the One Hour mean in your company name?

The 'One Hour' in our company name indicates our guarantee to be at your home in the predetermined window quoted when you set your appointment. If we do not show up within that window, your service call fee is waived. 1. Express Appointment: This is an appointment that is scheduled during a specified one-hour time slot. You are promised that a technician will arrive at your home within this one-hour time window. You will also receive a call when the technician is en route to your home. 2. Reserved Appointment: This is an appointment that is scheduled during a specified, two-hour time slot. You are promised that a technician will arrive at your home within this two-hour time window. You will also receive a call when the technician is en route to your home. 3. Standard Appointment: This is an appointment that is scheduled during a specified four-hour time slot. You are promised that a technician will arrive at your home within this four-hour time window. You will also receive a call when the technician is en route to your home. 4. Stand-By Appointment: This appointment is for overflow situations. This appointment will not have a specified time. You will receive a call when the technician is en route to your home. 5. Emergency Appointment: This appointment is for an unspecified time after normal business hours Monday – Saturday and all day on Sundays/Holidays. Calls are dispatched in the same order they are received. You will also receive a call when the technician is en route to your home.

Do you service emergencies after-hours?

Yes, we offer emergency services 24-hours a day, year-round.

How much will my service cost?

The size and complexity of your HVAC issue will determine the cost. Because our trained, licensed HVAC technicians must diagnose the issue before we are able to quote you an accurate cost, we require an appointment to be set to complete a diagnostic on your system. Once the diagnostic is complete, your One Hour® technician will walk you through all costs using our Straightforward Pricing® Guide so there are never any surprise fees.

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Clarksville, TN

HVAC Service you can count on

4.9

(2687 reviews)

Heating & Air Conditioning

Services By One Hour

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HVAC Emergencies

Fast 24/7 emergency HVAC repairs to restore your comfort when you need it most today.
Air Conditioning

Reliable air conditioning services to keep your home cool and comfortable all year.
Thermostat Repair

Expert thermostat services for precise temperature control and maximum energy savings.
Ductwork

Expert ductwork services to optimize airflow and maximize HVAC system efficiency.
Indoor Air Quality

Comprehensive air quality solutions for healthier, cleaner indoor air in your home.
Heating

Professional heating services to keep your home warm and comfortable year-round.

HVAC Service Near Me
—Available 24 Hours

One Hour Heating & Air Conditioning understands that heating and air conditioning issues create uncomfortable living situations — especially when temperatures outside are extreme. Luckily, our customer specialists are on standby 24/7 to fix your urgent issues. Whether you need HVAC installation, repair, or maintenance, our HVAC service experts are ready to help.

Emergency HVAC Services

We offer 24-hour emergency HVAC services – even on weekends and holidays – to ensure you have professional support when you need it most. Arriving with service trucks stocked full of specialty parts and tools, we have the equipment needed to fix many HVAC problems on the spot. In the case that additional parts are needed, rest assured – we will do everything in our power to handle your HVAC emergency quickly and efficiently.

Give our team a call today or contact us online to request your same-day HVAC service.

Air Conditioning

Whether you need an emergency replacement, regular maintenance, or installation services, our qualified technicians have the experience and technological resources to get any HVAC job done correctly. We utilize the latest tools, products, and techniques to stay up to date with cutting-edge changes in the industry.

AC Repair

At One Hour Heating & Air Conditioning, our HVAC technicians service all major AC brands and models. Our AC repair team can fix:

Poorly insulated ductwork
Power supply breakdowns
Defective fans or thermostats
Refrigerant leaks
Frozen condenser coils
Blocked condensation drainage
AC short-cycling (turning on and off too quickly)

After inspection, we will provide a detailed estimate.

AC Installation & Replacement

There are many telltale signs that an HVAC unit might need to be replaced. If an HVAC unit is over 10-years old, smells terrible, blows warm air, or produces subpar results as energy bills keep rising, give us a call!

AC Maintenance

For optimal performance, AC units require many parts to work seamlessly together. A single problem can cause a ripple effect of issues. This is why spotting minor malfunctions is critical. With regular maintenance visits, we can ensure your HVAC system is operating smoothly and efficiently. Consider joining our Club Membership for additional customer benefits.

HVAC Services

Common Questions

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Our Happy Customers

Reviews of Clarksville

4.9

(2687 reviews)

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I would like to extend to this company that you all have been great to work with. Of course during this hot weather our old units went out separately of course (within a day) and you provided excellent service, installation and instructions on how to operate the new system and the thermostats. Our home is now cool and wanted to also thank your guys for hard work they did in the installation. They were also very courteous and gracious with our home and questions. Would recommend your company 100%. Thank you so much for all your people did for us!

Judy Hale

3 months ago

Had a good amount of work done on the hvac system, with a duct cleaning, and some parts installed on my system. Justice and Jett came by early and promptly got to work. They did an excellent job of explaining exactly what I should expect. They were very detailed and respectful of my house. I felt comfortable inviting them into my house to do the work they needed to get done. They also helped us understand why they were suggesting certain repairs and gave us a fair amount of time with no pressure to make a decision on whether to get additional repairs done or not. As far as getting the service scheduled, the service was available the same week. I recommend keeping up with the preventive maintenance membership for your HVAC needs.

Charles Menjivar

6 months ago

I had a great experience with Ashley Gomez from One Hour. She took the time to personally follow up with me, which really stood out. Her customer service was excellent—friendly, professional, and genuinely attentive. It’s rare to find someone who goes the extra mile to make sure everything is handled and that you feel taken care of. Ashley made the whole experience smooth and stress-free. Highly recommend working with her! Tony

Tony Brooks

6 months ago

Dylan did an amazing job. servicing my HVAC system. He was very courteous. He explained to me about my air-conditioning unit. and what I needed to make it work more efficiently he also fixed the drain pipe on it. that my dogs had broke.

Mary Doenges

3 weeks ago

Servicing your entire home

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