Million-Air A/C & Heating

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About Million-Air A/C & Heating
Million-Air A/C & Heating operates as a Round Rock-based air conditioning contractor with 7 customer reviews generating a 3.3-star rating. Owner Bill handles installations and service calls personally, serving homeowners and light commercial property owners in the greater Round Rock area and neighboring communities including Georgetown and Hutto. The company maintains weekday operating hours from 8 AM to 6 PM and Saturday service until 5 PM, with Sunday closures.
Due to limited available information about this contractor's specific brand partnerships, certifications, or specialized services, we recommend discussing equipment options and service capabilities directly with Bill during initial contact. Customer reviews indicate experience with multi-unit mini split system installations, though detailed information about preferred brands or extended warranty offerings is not publicly documented.
Customer reviews reveal mixed experiences worth noting before scheduling service. Dan Kennedy's account describes a four-unit mini split installation project where wiring errors resulted in control complications requiring $6,000 in corrective work. Bill declined to assess the issue, citing the lack of startup service as grounds for declining warranty involvement. These reviews suggest homeowners should confirm upfront exactly what startup and verification services are included with installation work, and whether wiring verification occurs before crew departure.
What Customers Say
Two of seven reviews specifically name Bill as the technician handling the work, with one positive experience and one critical account involving wiring errors on a multi-unit mini split project. The critical review also notes a $500 payment dispute remained unresolved at the time of publication. Homeowners should request clear documentation of startup procedures and wiring verification steps before work begins.
Working Hours
| Sunday | Closed |
| MondayToday | 8 AM–6 PM |
| Tuesday | 8 AM–6 PM |
| Wednesday | 8 AM–6 PM |
| Thursday | 8 AM–6 PM |
| Friday | 8 AM–6 PM |
| Saturday | 8 AM–5 PM |
Services
Mini Split System Installation
Multi-unit mini split installations for residential and light commercial properties, covering new construction and renovation projects.
System Startup and Verification
Startup procedures to verify refrigerant charge, electrical connections, and control wiring function across all zones.
AC Repair and Diagnostic Service
Troubleshooting for cooling performance issues, electrical faults, and control system malfunctions in existing systems.
Heating System Service
Service and maintenance for heat pump systems and conventional heating equipment in residential applications.
Maintenance Agreements
Annual service contracts to maintain system efficiency and catch potential issues before emergency failures occur.