70 AC Installation Contractors in Marietta, GA

Marietta is a well-established suburb northwest of Atlanta, sharing the metro's humid subtropical climate — 47 days above 90°F each summer with heat-index readings that regularly push above 100°F due to persistent moisture. Winters are cold enough to require heating. With 10 contractors and a 4.4 average rating across more than 27,700 reviews, Marietta has one of the more competitive suburban markets in this dataset.

AC installation pricing in Marietta follows Atlanta metro norms. Window units run $150 to $700 installed. Ductless mini-splits (single zone) typically fall between $2,000 and $8,000, and central AC replacement with existing ductwork runs $3,500 to $12,000. Georgia contractors must hold the Class I or Class II license from the Georgia State Board of Conditioned Air Contractors.

Several Marietta contractors are known for standout installation experiences. Cool Air Mechanical handles Lennox installations through the Costco buying program, with reviewers noting competitive pricing and smooth installs. Bartlett Heating & Cooling is remarkable for individual technician recognition — Evan, Mitchell, Willie, Bo, Stephen, and Josh are each named across reviews for consistent quality and professionalism throughout the installation process. At Coolray Heating & Air Conditioning, the Lifetime Parts and Labor Warranty with zero repair fees is the most-cited reason customers choose them for new system installations and then stay long-term.