Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
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HVAC Company
Alliance Heating & Air Conditioning Services, Inc
Verified
4.7(134 reviews)•Residential
EPAFully LicensedLicensed, Bonded And InsuredNCI
Alliance Heating & Air Conditioning Services is a premier HVAC service in McDonough, GA. We offer a full range of HVAC repair and installation work.
Alliance Heating & Air Conditioning Services, Inc is an HVAC contractor. Services listed include tune-up special. Emergency service available.
Yes
Emergency Service
Services Offered
Customer Sentiment Summary
Strengths
- Conduct on site is the headline: 44 of 134 reviewers describe the crew as professional, courteous and respectful of their home.
- Diagnosis and workmanship carry the reviews — 41 of 134 reviewers say the technician found the real fault and fixed it properly the first time.
- Technicians turn up inside the booked window, something 35 reviewers went out of their way to note.
- No hard sell: 21 reviewers describe upfront quotes that matched the final invoice.
Areas to Watch
- Pricing is mostly positive but not unanimous: 10 of the 134 reviews analysed raised it, and a minority had problems.
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FAQ
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Alliance Heating & Air Conditioning Services, Inc lists tune-up special. Contact them to confirm they handle your specific job.
Yes, Alliance Heating & Air Conditioning Services, Inc lists emergency service. Call them directly for urgent heating or cooling repairs.
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