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AC
Installation and Replacement

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Upgrading to a new air conditioning system transforms your home comfort while reducing energy costs. Dayco Systems specializes in AC installation and replacement throughout the Greater Metro Atlanta area. Our owner-operated business has matched homeowners with perfectly sized cooling systems backed by industry-leading warranties.

Professional air conditioning installation protects your investment from day one. Our dedicated technicians ensure proper sizing, correct refrigerant charges and precise ductwork connections. When you choose Dayco Systems for HVAC installation, you're choosing quality that lasts.

Expert Central AC Installation Services

Ready to invest in lasting comfort? Our central AC installation services combine technical expertise with transparent communication. As a Premier Trane, Daikin and Goodman dealer, we offer equipment options that match your budget and performance expectations. Here's what makes our HVAC system installation approach effective:

  • Free installation estimates: Every project begins with a thorough assessment of your home's cooling requirements. We provide detailed estimates with equipment options and installation timelines.
  • Proper system sizing: Our load calculations determine the ideal capacity for your square footage, insulation levels and layout.
  • Quality equipment selection: Choose from top manufacturers offering 12-Year Parts and Labor Warranties on select Daikin models. We explain efficiency ratings and long-term value for informed decisions.
  • Licensed installation teams: Our Owens Corning-certified technicians handle electrical connections, refrigerant management and ductwork modifications according to manufacturer specifications and local codes.

Neighborhood Comfort Club $30/Month or $360/Year

Join Our Home Whole Maintenance Plan Package

Get year-round comfort and peace of mind with Dayco's all-in-one membership plan! When you sign up, you'll enjoy:

  • Free HVAC Diagnostic Fee - a $125 savings every time.

  • Two HVAC Maintenance Visits Per Year to keep your system running at its best.

  • Annual Plumbing Assessment included for added protection.

  • NOVA Smart Thermostat Included - a $395 value, yours free!

  • 10% OFF HVAC & Plumbing Repairs, 10% OFF Attic Insulation, 10% OFF Duct Cleaning with no annual cap.

  • Lifetime Warranty on Repairs while your membership is active.

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Free Insulation Inspection

Experiencing hot or cold spots in your home? Don't just adjust the thermostat—get to the root of the problem with Dayco Systems, your AirCare Professionals.


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Referral Program!

It pays to help out your friends, especially with our Referral Program!

Now you can receive $150 per referral upon an estimate or invoice being generated.

When Replacement Makes Financial Sense

We understand that deciding between repairs and replacement feels overwhelming. Investing in HVAC replacement delivers better returns than repeated repairs when your current system shows certain indicators. Systems that are 12-15 years old or older often lack the efficiency standards of modern equipment. Understanding HVAC replacement costs up front helps you plan confidently for this important upgrade.

When annual repair costs approach 50% of replacement value, new equipment becomes the smarter financial choice. We're here to help you weigh these options honestly. Unexplained increases in cooling costs signal declining efficiency, and newer systems operate at higher SEER2 ratings to significantly reduce monthly expenses. Rooms that never reach comfortable levels indicate capacity problems that repairs cannot resolve. Properly sized new equipment eliminates hot spots and other temperature issues.

Traditional financing through Optimus™ makes upgrading to efficient equipment accessible for every budget. We're grateful to work with homeowners who trust us to provide honest guidance during this important decision.

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The Dayco Systems Installation Advantage

Ready to invest in lasting comfort? Our central AC installation services combine technical expertise with transparent communication. As a Premier Trane, Daikin and Goodman dealer, we offer equipment options that match your budget and performance expectations. Here's what makes our HVAC system installation approach effective:

Over 40 years of combined experience:

Our team anticipates challenges before they arise. We've installed HVAC systems in homes throughout Marietta, Roswell, Alpharetta and surrounding communities — each with unique requirements.

Transparent project timelines:

Most installations are complete within one to two days. We coordinate around your schedule and protect your home with a thorough cleanup.

Comprehensive warranties:

Our 100% satisfaction guarantee covers workmanship, while manufacturer warranties protect your equipment investment. Neighborhood Comfort Club members enjoy additional benefits, including priority scheduling and exclusive discounts.

Post-installation support

Your relationship with Dayco Systems continues after installation. We provide system operation training and seasonal maintenance to maximize equipment lifespan.

Named Best of Cobb for seven consecutive years and a Best of Georgia winner, we've built our reputation on technical excellence and genuine care for every homeowner we serve. Your neighbors already trust us with their comfort — we'd be honored to serve your family.

Schedule Your Installation Consultationbout 
Our Installation Services!

Transform your home comfort with professional AC installation from Dayco Systems. Contact us online or call 770-450-1802 today for your free installation estimate. We also provide second opinions on equipment recommendations. Thank you for considering our family-owned company for your cooling system upgrade.

A Few Of Our Customer
Reviews

Quick, friendly, honest service. Will definitely recommend and use from now on.

- Scott T.

Explained everything he was doing and very professional. Give Dayco and tech a 100%. Will be using again.

- Amy F.

Great Service!!

- Neila S.

Reliable and efficient

- Rebecca F.

Just go with these pros instead of wasting time with other companies

- Maarif H.

Caleb was on time, courteous and professional. I love dealing with Dayco. They are a reliable company.

- Suzanne T.

Great HVAC company to service your home.

- John B.

Great service, excellent tech - Caleb

- Paul B.

Caleb is a thorough and excellent technician!

- Homer C.

I needed to get a new HVAC system and the guy who came to give me the estimate made the process of buying it as painless as possible. The install, done by Michael and Jeff, went very smoothly and they were both very professional and got it all done pretty quickly! Thanks so much!

- Steve Schumacher

Shaun came today for a free estimate. I was shocked at how professional and experienced he was compared to other companies. He took measurements, walked through his checklist with me and explained everything he was looking at and how my unit worked. Very thorough and quality experience. I...

- Cameron Hall