Marietta, GA
HVAC Pros in Marietta, GA
13 HVAC contractors serve Marietta in Cobb County. Mild climate means lighter wear on equipment and longer system lifespans. Georgia Power rebates up to $1,000 available.
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Quick facts
- AreaMarietta
- StateGA
- Providers13
- Climate zone3A-Warm-Humid
- Heating degree days3,000
- Recommended systemheat pump dominant
Why HVAC matters in Marietta
Marietta sits in IECC climate zone 3A-Warm-Humid with average January temperatures of 46°F and July highs around 80°F. With 1,900 cooling degree days, air conditioning is critical during summer months.
GA (Cobb County) falls in IECC 3A-Warm-Humid. HDD 3000 / CDD 1900 per NOAA 1991–2020 state averages drive a heat pump dominant HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
Heat pump recommended for Marietta
An air source heat pump is the ideal system for this climate zone — it heats in winter and cools in summer with one unit.
With mild winters (avg 46°F in January) and 3,000 heating degree days, heat pumps operate at peak efficiency year-round here.
About Marietta HVAC
13 HVAC providers list active service in Marietta — a small but workable shortlist. Getting three quotes is realistic if you plan a week out. Cobb County pricing tends to track the regional median, with premium brands and efficiency tiers driving the range.
Marietta's climate (IECC zone 3A-Warm-Humid) keeps outdoor temps inside the efficient range of air-source heat pumps most of the year, with January averages around 46°F. That's why heat-pump conversions have overtaken straight AC + furnace installs in most of the local market. Homeowners in Marietta should expect seasonal pricing swings — spring and fall are the value windows for installs. Georgia Power's Georgia Power Heat Pump Rebate currently offers up to $1,000 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →- installationrepairinspectionemergency
What customers say “I recently hired this company for electrical work on my basement project and was extremely satisfied with their…”
- PV Heating, Cooling & PlumbingTop ratedinstallationrepairemergency
What customers say “I really appreciated working with Andre at the beginning of the process. He was knowledgeable, easy to talk to, and…”
- Bartlett Heating & CoolingTop rated
What customers say “Bartlett was great working with right from the start when Blake came to my home for the estimate. He was so…”
- E. Smith Heating & Air ConditioningTop rated
What customers say “We had Alex take care of at our last home. When we moved to our new home we didn't want anyone else checking out and…”
- Garrett MechanicalTop ratedinstallationrepairinspectionemergency
What customers say “I am a Regional Manager, and Garrett Mechanical did a fantastic job restoring water to 27 families in our apartment…”
- Air Force Heating & AirTop rated
What customers say “I had an exceptional experience with Air Force Heating and Air. The team truly went above and beyond! Bryant, Ron, and…”
- Coolpro Heating and CoolingTop rated
What customers say “Coolpro gave my home and family great service installing a new 5 ton Trane heat and air system today in Kennesaw .…”
- SummitTop rated
What customers say “I recently had some serious issues with my HVAC system, and I can confidently say that Summit came in and saved the…”
- installationrepairemergency
What customers say “ANYTIME's technician Nick diagnosed our 23 year old Lennox furnace, and the repairs would have run just under…”
- Self Brothers Heating & CoolingTop rated
What customers say “We recently had a new HVAC system installed by Self Brothers Heating and Cooling, and we truly could not be more…”
- Innovative, LLCTop rated
What customers say “If I had to describe Innovative Mechanical in one word, it would be honest. I wasn’t sure whether my HVAC unit needed…”
What customers say “Honest, Knowledgeable, and Truly Professional – A Rare Find! I rarely ever write reviews, but I felt I had to this…”
- Excel SolutionsTop rated
What customers say “When the furnace in my new house went out, I had called the hvac service company that had previously serviced my new…”
What Marietta homeowners say
“I am a Regional Manager, and Garrett Mechanical did a fantastic job restoring water to 27 families in our apartment community. The professionalism demonstrated by Tommy, Bo, Noah, and Amy was truly best-in-class. Their response time, communication, a…”
“I recently had some serious issues with my HVAC system, and I can confidently say that Summit came in and saved the day. From the first technician to the final walkthrough, every part of the process was handled with professionalism, precision, and ge…”
“ANYTIME's technician Nick diagnosed our 23 year old Lennox furnace, and the repairs would have run just under $2K. Salesperson Dylan came out later the same day and gave options on a whole new system. Chris & Mike arrived the next morning with the ne…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Heat pumps are the recommended system for this climate zone, offering both heating and cooling in one unit.
Available rebates in Marietta
- Georgia Power: Georgia Power Heat Pump Rebate — $200–$1,000 for heat pump
- Georgia Power: Georgia Power Smart Thermostat Rebate — $50–$100 for thermostat
- Atlanta Gas Light: AGL High-Efficiency Gas Furnace Rebate (via Gas Marketers) — $150–$500 for furnace
- Georgia EMCs (Electric Membership Corporations): Georgia EMC Heat Pump Rebate (member cooperatives) — $200–$800 for heat pump
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
Georgia hub →Popular comparisons in Marietta
- E. Dennis Heating, Cooling, Plumbing & Electrical vs PV Heating, Cooling & Plumbing4.9★ vs 4.9★
- E. Dennis Heating, Cooling, Plumbing & Electrical vs Bartlett Heating & Cooling4.9★ vs 5.0★
- PV Heating, Cooling & Plumbing vs Bartlett Heating & Cooling4.9★ vs 5.0★
- PV Heating, Cooling & Plumbing vs E. Smith Heating & Air Conditioning4.9★ vs 4.9★
- Bartlett Heating & Cooling vs E. Smith Heating & Air Conditioning5.0★ vs 4.9★
- Bartlett Heating & Cooling vs Garrett Mechanical5.0★ vs 4.9★
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Frequently Asked Questions
What's the best heating system for Marietta?
Marietta is in IECC climate zone 3A-Warm-Humid with mild winters (avg January: 46°F). Air source heat pumps are the recommended system — they provide both heating and cooling efficiently in this marine climate, and qualify for substantial utility and federal rebates.
How important is air conditioning in Marietta?
Very. With 1900 cooling degree days and summer highs regularly exceeding 80°F, AC is essential in Marietta. Central AC or a heat pump (which provides both heating and cooling) is strongly recommended. Budget $3,500-$7,000 for a quality cooling system installation.
What HVAC rebates are available in Marietta?
Marietta homeowners can stack multiple incentives: Georgia Power offers up to $1,000 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $3,000+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Marietta?
In Marietta, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in Georgia?
Georgia HVAC contractors need a Conditioned Air Contractor license (Class I up to 175K BTU heating / 5 tons cooling, Class II unlimited) from the Division of Conditioned Air Contractors under the Georgia State Construction Industry Licensing Board. Verify at verify.sos.ga.gov/verification — confirm Active status, current general liability insurance, and any applicable bond.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Georgia State Construction Industry Licensing Board — Division of Conditioned Air Contractors · Company data: verified business records + Google Business profile
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