Always On Time

Emergency HVAC Service in East Cobb, GA

One Hour Heating & Air Conditioning® of North Atlanta

Emergency HVAC service in East Cobb is here when your heating or cooling breaks down at the worst possible time. A failed AC on a July afternoon or a dead furnace during a January cold snap can make your home uncomfortable and even unsafe. Call for help any time — day or night.

When HVAC Problems Become Emergencies

A slow drip or a minor noise can usually wait for a scheduled appointment. But when the AC fails entirely during extreme heat, the furnace won't light on a freezing night, or you smell gas near the heating equipment, waiting isn't an option. East Cobb's summer thunderstorms can cause power surges that damage HVAC components, and sudden temperature swings in spring and fall catch systems off guard. If your home has elderly family members, young children, or pets, a system failure during extreme weather is a genuine safety concern. That's when emergency service matters most.

What Emergency HVAC Service Includes

An emergency technician arrives at your East Cobb home equipped to diagnose and repair the most common urgent HVAC problems. The technician works through the diagnosis quickly — checking electrical components, refrigerant, ignition systems, and safety controls — and gets to work on the fix. Most emergency calls are resolved in a single visit. If the repair requires a part that isn't available immediately, the technician stabilizes the situation and schedules the follow-up as soon as possible so your home isn't left without climate control.

Preventing HVAC Emergencies in East Cobb

Regular maintenance is the best defense against unexpected breakdowns. Having your AC serviced before summer and your heating system checked before winter catches worn parts before they fail. Keeping the air filter clean and the outdoor unit clear of debris helps the system run smoothly all season. But even well-maintained systems can fail — age, electrical surges, and extreme weather can overwhelm any equipment. Emergency service gives East Cobb homeowners peace of mind, knowing that help is available around the clock whenever it's needed.

About East Cobb

East Cobb's location in the North Atlanta area means residents experience Georgia's full range of weather — intense summer heat, unpredictable thunderstorms, and occasional winter cold that arrives faster than the forecast predicts. The community's large homes depend on reliable HVAC performance year-round, and when something goes wrong, families need fast help. Whether the call comes from a neighborhood off Paper Mill Road or a subdivision near Shallowford Road, emergency HVAC service is available throughout East Cobb.

Serving East Cobb and Surrounding Areas

Our emergency HVAC service covers East Cobb and surrounding communities including Marietta, Roswell, Sandy Springs, Kennesaw, Smyrna, and Vinings. We serve homeowners throughout Cobb County and North Atlanta.

Call (404) 689-4168 to schedule service.

Visit our office:

One Hour Heating & Air Conditioning

1360 Union Hill Rd Ste 5F, Alpharetta, GA 30004

(404) 689-4168

Open 24 hours

We have a reputation for being punctual, friendly and knowledgable

4.81

(186193 reviews)

Read More Reviews

Quick service and got our lack of heat solved.

Mercy MMM

in the last week

We had our heating system stop working during the extreme snow storm, and this company responded quickly. Joe Bonness, who is an expert technician arrived on time, diagnosed the issue fast, and fixed it efficiently. He explained everything clearly and made sure the heat was working perfectly before leaving, even though it was late around midnight. We are very grateful for the quick and professional service during such freezing weather. Highly recommend their service!

Neha

a month ago

Huge thanks to my neighbor Chris for coming over late at night to fix my AC unit when it stopped working. I caught him and his family on the way out and told him my problem. He ended up leaving his plans early and took the time to figure it out and got it running again quickly. It meant a lot that he was willing to help out so late. He even gave me a few tips to look out for in case anything else happened. Super knowledgeable and a great neighbor to have! Give that guy a raise!!

Zaria Smith

4 weeks ago

Tim was great. I can’t say enough good things. He came out to do a routine maintenance and unfortunately, I had to replace my furnace due to wear and tear. This happened on Friday, and he was at my house bright and early Monday to install the new furnace. He was pleasant the entire time, and very informative throughout. Thank you so much.

Sindel Garcia

a month ago

I will start by saying that KC was very professional explaining all aspects of the whole job that his team was going to do as far as to what we needed concerning a furnace rather we should repair or replace the existing furnace which by the way was 26 years old. Zo the service installer was quite thorough with the entire job, also Areej another technician did a spectacular job with cleaning all of the air ducts with detailing each step of the way up to and including the dryer vent as well a fantastic job was done. Although the job was extended one extra day was not a problem the problem came about when they informed us that they were going to return the next morning by 10am and by 11am we hadn't heard from them when a simple courtesy call with an eta would have gone a long way instead of me having to place a call to them. Overall the job was complete with a new furnace that was installed and the job was well done.p I would highly recommend One Hour Heating & Air Conditioning of Naperville.

Gerald Moody

a month ago

Daphne came out for our semi-annual AC checkup and did a fantastic job. She clearly explained the condition of our unit and answered all of my questions in a friendly, easy-to-understand way. After receiving great service both times the company has visited, I signed up for their membership program. The price is very reasonable and the service has been outstanding. Highly recommend!

Griselda Cervantes

a month ago

Repair tech was fantastic and did a great job. Also, they looked into the warranty information of my unit to give me a partial refund. But, extra fee for weekend work was not mentioned when I called to have a tech come out.

jacob roberson

a month ago

Outstanding service!! I called because my unit went out early Sunday morning, they came out that day, did the repairs and a full service to get my unit up and running the way it should be, my a/c never blew this cool since I first got the unit! Stephen, was a awesome technician and went over everything thing with me, I learned things about my unit I never knew, thank you so much, I would recommend River City One Hour Air Conditioning and Heating for anyone needing a/c and heating services.

Juanika Kelly

a month ago

Joseph was personable, professional and efficient. You have a good guy on your team. I have not had many good experiences with One Hour with not getting a call back and waiting long periods of time to get answers for service, etc. that’s why I’m no longer a member but having to get my filter for my furnace only through one hour I had no choice. Joseph was refreshing change.

Carrie Gray

a month ago

Anthony was great and was a pleasure to be around. He has a great disposition and even helped me fix a door I was working on! He identified an issue with our unit that was costing us a ton of money each month and fixed it. Apparently, our heat pump had never been programmed to work which was installed by another company.

Michelle

a month ago

Servicing your entire home

Part of the Authority Brands Family

Authority Brands is the leading provider of in-home services, building brands that support the success of franchisees as well as better the lives of the homeowners we serve and the people we employ.