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Schedule an Estimate for HVAC Repair, Maintenance, or Installation

Submit a Request for an Estimate and a Northwest Heating & Cooling representative will contact you, or call (678) 384-4337 for immediate assistance.

Why Northwest Heating & Cooling?

Professional . Reliable . Affordable .

Northwest Heating & Cooling, formerly All Comfort, is an Atlanta HVAC, Heating & Air company with over 60 years of service industry experience. Our goal is 100% customer satisfaction. We provide emergency service and same day regular service. All of our technicians are trained, insured, and have years of experience. Our trucks are fully stocked with parts to keep repair costs down and speed repairs. We offer solutions to all of your heating and air conditioning needs from tune-ups and repairs for all brands of heating and air systems, to total replacement of forced air and heat pump systems by Trane.
Heating & Cooling Services


Most systems will perform well for years before they need repairs if they have a good maintenance plan. Tune ups can extend the life of the system 50% and reduce the cost of utilities 15 to 20%, making a maintenance plan a true money saver.

Maintenance & Tune-ups

As your home heating and air conditioning system ages the more costly it becomes to operate. We’re here to help with that. Keeping your heating and air conditioning repair and operating costs to a minimum in terms of: dollars, time, and peace of mind means a good maintenance program, like a Northwest Heating & Cooling Comfort Agreement, is the best way to go.


Rest easy and let Northwest’s professionals install your furnace, air conditioner, boiler, heat pump or other HVAC needs. Our technicians are licensed and insured, reliable, with years of experience.
“Northwest Heating & Cooling replaced our heating and air conditioner system last year and I have been very pleased with the reduction in our utility bills and everything in general. They said it would reduce the cost of utilities and I have been pleased to see it’s true. With the way gas and electricity look to be going up we are glad we made the change. The: financing, warranty, rebates and tax benefits really cinched it for us and made it so we could afford the air cleaner system. Josh came out to the house and designed a system just for our house and it sure has made the difference. It was worth the time to have him come by. The house is much more comfortable now and the rooms that were usually to hot or cold is now just like the others. It was nice to learn that our new Trane system is “green” also.”
Susan M - Powder Springs
“Great Repair Service! When our air conditioner went on the fritz one afternoon that evening they was able to send Sam right out. I really liked that he used those shoe covers. After a few minutes he was able to show me what was wrong and it was nice to know the price was fixed no matter how long it took. The whole thing took less than an hour. Sam mentioned the parts and labor was guaranteed for a year. Thanks!”
Jim H - Marietta
“They have serviced our air conditioners for years. They have always been: professional, courteous, friendly and clean (he wears those booties). They come out on my schedule and have quality name brand filters for our allergies. When he was done Trevor made some suggestions but wasn’t pushy.”
Debbie D - Kennesaw
“I thought I would have to buy a whole new HVAC system but Josh was able to fix it in just a few hours. Please let him know much I appreciate his integrity. They have my loyalty.”
Dale J - Smyrna

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