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Claim This BusinessMessiah Heating and Air Conditioning has been serving Decatur and the greater Atlanta metro area since the early 2000s, accumulating over two decades of hands-on experience in residential and commercial heating and cooling systems. The company holds a state HVAC license in Georgia and maintains full insurance coverage, giving homeowners peace of mind when a technician walks through their door. With a 4.6-star rating drawn from 45 customer reviews, Messiah has built a reputation for responsive service in neighborhoods across Decatur, Tucker, Stone Mountain, and Lithonia, while also handling projects in Fulton, Gwinnett, and Rockdale counties. The company operates extended hours seven days a week, including emergency on-call service for those moments when climate control fails unexpectedly.
What distinguishes Messiah from neighboring HVAC companies is their dedication to rapid response and transparent pricing. The $80 service call fee ranks competitively in the Decatur market, and the company advertises complete new system installations starting under $10,000 with all labor included, a rare all-in pricing structure that helps homeowners budget accurately. Their website promotes financing options for major equipment replacements, making new high-efficiency systems accessible to households not prepared to pay the full cost upfront. Additionally, Messiah highlights eco-friendly system options for customers interested in reducing environmental impact, and they back their work with free estimates on all replacement equipment.
Homeowners praising this company often mention technician Ben by name, with multiple reviewers describing how he arrived within hours of their emergency call, one customer noted Messiah fixed her AC within one hour after her home warranty company failed to send anyone for two weeks. Another reviewer recounted calling on a Friday evening during summer heat, expecting to wait until Monday, only to have Ben and his team arrive within two hours and restore cool air the same night. A third customer described Ben's crew installing two heaters in her house, calling them reasonable, professional, and delivering quality craftsmanship.
Four of six named reviewers specifically mention same-day or within-hours emergency response, with Ben cited by name in three positive reviews. Five-star reviews emphasize diagnostic skill and professionalism, while the two one-star reviewscenter on unresolved follow-up issues and communication problems rather than pricing or workmanship quality.
| Sunday | 7 AM–11 PM |
| Monday | 7 AM–11 PM |
| Tuesday | 7 AM–11 PM |
| Wednesday | 7 AM–11 PM |
| ThursdayToday | 7 AM–11:30 PM |
| Friday | 7 AM–11 PM |
| Saturday | 7 AM–11 PM |
Diagnostic services and repair for central air conditioning systems, including compressor and refrigerant issues.
Repair services for gas furnaces, electric heat, and heat pump heating components during winter months.
Full replacement and installation of heating and cooling systems, with all labor included in advertised pricing.
Installation and repair of heat pump systems providing both heating and cooling from a single unit.
24-hour emergency response for system failures, with same-day service available on weekends and holidays.
Heating and cooling services for commercial buildings and business properties in the service area.