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Claim This BusinessRand Aire Mechanical Contractors Inc is a family-owned HVAC contractor based in Orange, California, operating under the ownership of Randy Miller. The company has built a reputation over decades of service, handling both residential and commercial projects across the region. With an exceptional 5.0-star rating from 171 reviews, Rand Aire serves customers throughout Orange County, including those in surrounding communities who seek reliable heating and cooling solutions. The company maintains standard weekday hours with Saturday availability for customer convenience.
What distinguishes Rand Aire from competitors is the combination of owner-level expertise and competitive pricing that reviewers consistently mention. Randy Miller personally assesses units and provides recommendations, while his son Jacob assists with installations and service calls. The company handles complete system replacements, including heat pump installations, and services existing equipment for maintenance and repairs. Multiple reviewers highlight their willingness to provide multiple manufacturer options and transparent pricing, making them a trusted choice for both homeowners and property investors.
Customer experiences showcase the company's responsive approach. When Sean Bernard, a professional home flipper, needs HVAC work, he calls Rand Aire for their reliability on both personal and investment properties. Gordon Adams appreciated that Rand Aire provided the lowest bid while delivering professional installation of a new heat pump system. Robert Chiang's 27-year-old unit was replaced in a single day, with the crew completing tubing, insulation, wiring, and cleanup by 3PM. Sheryl Hagen relied on Rand Aire for four decades of service at her industrial building, and multiple reviewers note Randy himself answers calls and follows up to ensure satisfaction.
All 171 reviews award 5 stars, with customers frequently praising owner Randy Miller's direct involvement, competitive pricing, and same-day or prompt service. Multiple reviewers mention heat pump and full system replacements, while several note the team's friendliness and efficient completion times.
| Sunday | Closed |
| Monday | 8 AM–5:30 PM |
| Tuesday | 8 AM–5:30 PM |
| Wednesday | 8 AM–5:30 PM |
| ThursdayToday | 8 AM–5:30 PM |
| Friday | 8 AM–5:30 PM |
| Saturday | 8 AM–12:30 PM |
Complete new system installation including heat pumps, AC units, and furnaces with multiple manufacturer options.
Full unit replacement for aging or failed HVAC systems, handling old unit removal and new installation.
Air conditioning tune-ups, diagnostics, and repair services to maintain cooling performance.
Furnace and heating system maintenance, repairs, and annual servicing.
Multi-unit commercial and industrial HVAC maintenance contracts for businesses and properties.
Energy-efficient heat pump system installation as an alternative to traditional heating and cooling.