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HAMMOCKS AC

HEATING • AIR CONDITIONING

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HAMMOCKS AC

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COMFORT & HOME SAFETY • NORTH GEORGIA

Thermostat Installation & Everyday Peace of Mind

Hammocks AC provides thermostat installation and replacement for North Georgia homes. Make temperature control easier with the right controls for your system—and learn how keeping carbon monoxide alarms current supports a safer home.


Honeywell Home thermostat with digital display and physical controls.

Two Devices. Two Important Jobs.

A thermostat manages heating and cooling. A carbon monoxide (CO) alarm warns about a dangerous gas you cannot see or smell. Having both means looking after everyday comfort and a separate home-safety need.

A simple schedule can reduce daily thermostat adjustments. Keeping a record of CO alarm replacement dates takes another item off your mental checklist. They do not have to connect to each other to be useful, and a thermostat is not a substitute for a CO alarm.

CO Alarms Expire—Even With Fresh Batteries

Check the replacement date and model instructions on your carbon monoxide alarm. Service life varies; many Kidde models last 7 or 10 years. Follow your specific alarm’s guidance rather than assuming every detector has the same lifespan.

An end-of-life warning means replacing the whole alarm. New batteries do not renew the sensor. Chirp patterns vary by model, so use the manual to distinguish low battery, fault and end-of-life signals. Do not assume an active CO alarm is just a battery problem.

If a CO alarm sounds or you suspect CO exposure: get everyone outside to fresh air, call 911 from outside and stay out until emergency responders say it is safe. Do not wait for an HVAC appointment.

Read the CPSC CO safety guide and Kidde’s alarm replacement guidance.

ASK ABOUT HOME COMFORT OPTIONS
REME HALO air purification unit mounted on insulated HVAC ductwork.

CHOOSE FEATURES THAT FIT YOUR HOME

Simple Controls. Useful Features. Clear Guidance.


Thermostat Replacement

Honeywell Home thermostat with digital display and physical controls.

A blank display, confusing controls or inconsistent operation deserves a closer look. We review the thermostat and HVAC system before recommending replacement, then help you choose controls you feel comfortable using.

Smart & Wi-Fi Thermostats

Honeywell Home smart thermostat shown in black and white finishes.

Compatible smart thermostats can offer phone access, schedules and usage information. Features vary by model, and remote access depends on connectivity. Choose useful features for your routine rather than paying for options you will not use.

System Compatibility

Contractor working on a wall-mounted AprilAire 800 steam humidifier.

The right match depends on your HVAC equipment, heating and cooling stages, wiring and power requirements. Heat pumps and communicating systems need particular attention. We check compatibility before recommending a controller.

Schedules & Everyday Use

Reme Halo LED

A setup that fits your day should be easy to live with. We can explain scheduling, temporary holds and available reminders. ENERGY STAR certified smart thermostats are independently verified for energy savings, but your results depend on your home and use. Explore ENERGY STAR guidance.

CO Alarm Replacement Dates

First Alert SC9120 combination smoke and carbon monoxide alarm.

Keep the model number, installation date and replacement deadline in one place. Check the manufacturer’s instructions if the age is unknown. An alarm that has reached its stated service life needs replacement, even if its test button still makes a sound.

Alarm Placement & Care

CPSC recommends CO alarms on every level and outside sleeping areas. Follow the model’s placement and battery instructions, test monthly and keep alarms unobstructed. Alarms complement proper fuel-burning appliance maintenance; they do not replace it.

What Hammocks AC Customers Say

Read recent reviews from homeowners who have trusted Hammocks AC with their heating and air conditioning.

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4.8
Based on 725 reviews
Bett Buffy profile picture
Bett Buffy
4 weeks ago
Thank You "Yuan" for your thoroughness; confident that my units will be perfoming well during the yearly seasons. "Krysta"l thank you for your responsiveness, " returned" phone calls, and "texts." Sincerely, E. J.
BrintMc profile picture
BrintMc
1 month ago
First, way overdue review for Spring 2026 AC tune-up with Sergio - great service, great advice. Now, almost end of AC season, AC seems to be having compressor fan start contactor (edit) fail; Nathan took our late night call, gave a great suggestion to get it started and running to get thru the night; committed to arrange next morning repair call. We will keep them for another 10 years or more.
Scott Strickland profile picture
Scott Strickland
1 month ago
Juan Zamudio was the service tech. Quickly identified my problem as not being air-conditioning related, but instead, my water heater relief valve. He didn’t even charge me the $85 service fee. Great job! This is why I bought my AC units from this company. Great customer service.
Deborah Cox profile picture
Deborah Cox
1 month ago
Nathan was awesome helping our family save money. Nick Price the technician went above and beyond to make sure everything was running smooth before leaving after several hours working in the hot sun. Thanks for our family. God is so good. Deborah Cox Bethlehem GA
Matthew Prichard profile picture
Matthew Prichard
1 month ago
Great service at a great price! Our technician got our AC issue fixed quickly and let us know our maintenance issues that needed to be addressed.
F. R. profile picture
F. R.
2 months ago
Can’t recommend this company enough! We called in a panic when our AC went out on one of the hottest days, and from the moment we called, Nathan was incredibly kind, helpful, and professional. He got us back up and running right away, and we couldn’t be more grateful! Our AC units are getting older, and we’ll be purchasing two new units soon. There’s no question that we’ll be calling Hammocks for the installation. They’ve earned our trust and our business for life! Thank you so much, Nathan and Hammocks, for taking such great care of us! We truly appreciate you!
Inis Woods profile picture
Inis Woods
2 months ago
Hammocks A/C is the best in Atlanta!!!!!!!! There’s always someone to help you and they are very professional. They come through in emergencies and make sure to answer all my questions. A nice young man “Kaden” came to help me on a Sunday and he was very sincere and ready to take care of me and I really appreciated him working on a Sunday to help me with my emergency ceiling leak. I would definitely recommend Hammocks A/C to everyone! THANK YOU!!!!!!!!!
Judy Story profile picture
Judy Story
2 months ago
Juan Z came in on his day off in 100 degree weather to look at our AC. HOW amazing is that. He not only found the problem he was proactive in the fix. Whew!!
Sy Trea profile picture
Sy Trea
2 months ago
The Team is professional and they make it personal. The service is excellent.
Tammy Kingsley profile picture
Tammy Kingsley
2 months ago
I could not be happier with the service at Hammock. They were honest and they kept working until they found the issue with my duct under the house. I will definitely use hammock again and will recommend to everyone I know
Mary W Kipp profile picture
Mary W Kipp
3 months ago
We love Hammocks! They helped us with replacing our cracked furnace on Christmas Eve a few years ago and ever since we have them service out furnace and ac units! Very caring about their customers and they know what they are doing!!
tholling1948 profile picture
tholling1948
3 months ago
Stephanie Reardon profile picture
Stephanie Reardon
3 months ago
They called me back this morning and had someone out within about a half an hour. Juan was wonderful. He came in and assessed the situation and told us what was wrong and was able to fix it right on the spot. He was efficient and very thorough in his explanation of what was going on. We will definitely be using Hammocks AC again.
Hazel Henson profile picture
Hazel Henson
3 months ago
Hammocks is a truly efficient company. There personnel are very friendly and mostly come on gime
NAVARRO BRATCHER profile picture
NAVARRO BRATCHER
4 months ago
Amanda Simpson profile picture
Amanda Simpson
5 months ago
Abrey came out to fix our unit, which ended up being a tricky fix, but she worked through every step needed and our unit has been running great ever since. She was very thorough and informative when explaining the issue, and there were no surprise charges at the end. Additionally she stayed in touch with us regarding her arrival time with i really appreciated. Abrey was knowledgeable and professional, and it was clear she truly knows what she’s doing. I would def recommend her and the company!
Cameron Story profile picture
Cameron Story
5 months ago
We’ve been with Hammock for about two years now and enjoy our experience with them. Sergio has been our technician and he is excellent. He explains what’s going on at a level we understand and gives us sound advice on how to prevent issues and weigh our options to prevent costly fixes in the future. Highly recommend!
Ada Rodriguez profile picture
Ada Rodriguez
6 months ago
I had an exceptional service from start to finish with Hammock’s AC Company. From the very first call with Nathan, everything was handled professionally and efficiently. The installation of both the AC unit and heater went smoothly, and the team was knowledgeable, courteous, and respectful of my home. Nathan, along with John and Sergio, did an outstanding job. They took the time to explain everything clearly and made sure the work was done right. I truly appreciate their attention to detail and commitment to quality. Highly recommend this company for anyone needing HVAC services!
T.J. Whitt profile picture
T.J. Whitt
6 months ago
Hammock’s AC did a great job with installing an outdoor unit & furnace for my house. I did not plan on replacing my system immediately but after speaking to Nathan I felt better about having the job done. He was very knowledgeable and kept me informed of what to expect. The install team Alberto, Nike, Jose & Jose T, were professional and efficient! The whole process was so easy and I can’t thank the Hammock’s AC team enough for their hard work!
Keith McInish profile picture
Keith McInish
6 months ago
We've been using Hammock's AC for many years. We bought our last two HVAC systems from them and keep an annual service contract to do our preventative maintenance checks in the spring and the fall. They are always professional and thorough. We had an especially positive experience last week when George Sutton came to handle our spring service. In addition to the usual thorough check of both of our systems, he made some suggestions for a couple of improvements that we could do ourselves, which were both easy and inexpensive. He noted that we had a "homemade" tent over our attic access door (fashioned from insulation that had been taped together), and suggested that it could be easily replaced by one from Amazon that would be neater, more efficient and easier to use. He also suggested getting covers for our outdoor condensers, because they are on the side of house where they tend to accumulate a lot of leaves and debris on top of them. He even looked them up and shared the links with me! Altogether, everything was about $50 and was very easy for me to install. I appreciate a company that doesn't just look for ways to make more money off of their customers, but instead has the best interest of their customers in mind. That's very rare these days and the reason that we will remain loyal customers of theirs!
Steven Bush profile picture
Steven Bush
6 months ago
Nathan, Fred and the entire team at Hammocks took great care is us. From a quick repair required under service warranty to an overhaul of our system adding another zone, dehumidification system, tankless water heater etc. Price was very competitive, with easy finance options available. I have been using them since 2017 and even when I shop services etc. around? I always circle back to these amazing individuals. A local company that is trustworthy is hard to come by. Go no further for any of your HVAC needs. Hammock’s simply has your back.

Thermostat & CO Alarm Questions

Will a smart thermostat work with my HVAC system?

Not every thermostat works with every HVAC system. Compatibility depends on the equipment, number of stages, controls and wiring. Some models require a C-wire or an approved power solution. We can review your setup before you buy.

Yes. Follow the replacement date and service-life instructions for your specific model. An end-of-life warning calls for a new alarm, not just new batteries. If you cannot identify its age, check the label and contact the manufacturer for guidance.

No. Each can do its own job independently. Some products support connected features, but compatibility must be verified for the exact models. Do not assume your thermostat detects CO or automatically shuts down equipment when an alarm sounds.

If a CO alarm sounds or you suspect exposure, leave for fresh air immediately and call 911 from outside. Do not reenter until responders give permission. A routine service request is not an emergency response. For an identified low-battery or end-of-life chirp, follow your model’s instructions promptly.

LET’S TALK ABOUT YOUR HOME

Make Your Home Easier to Manage

Tell Hammocks AC what you would like to improve: simpler temperature controls, a smart thermostat upgrade or questions about your home’s CO alarms. We serve Acworth, Kennesaw, Woodstock, Marietta and surrounding North Georgia communities. Call 770-794-0428 or request a non-emergency appointment.