Miller's Air Conditioning & Heating

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About Miller's Air Conditioning & Heating
Miller's Air Conditioning & Heating is a Livermore-based HVAC contractor earning a 4.8-star average across 75 client reviews. The business maintains round-the-clock availability, a detail that resonates strongly with Tri-Valley homeowners facing sudden system failures. Reviewers describe interacting with multiple team members across separate service calls, suggesting a crew of several technicians rather than a single-operator operation. The company serves Livermore and surrounding East Bay communities, with customers driving from neighboring areas specifically to engage this contractor's services.
What distinguishes this contractor emerges most clearly in reviewer accounts of complex repair scenarios. One customer recounts a furnace with a failed inducer motor that another contractor could not resolve, requiring same-day parts sourcing and in-house warehouse pickup to complete the repair within a single visit. Another reviewer describes a full ductwork replacement spanning two days, with the team additionally identifying and repairing a blown fuse on the air conditioning unit that had gone unnoticed during previous service calls. The combination of diagnostic thoroughness and multi-trade capability, rather than a single service specialization, appears to define their approach.
Technician Dominic earned specific praise for arriving on time, quickly diagnosing a furnace issue, and personally driving to the company's warehouse to retrieve the needed part for same-day completion. Technician Sonny was named by a reviewer for multiple visits addressing an older home's cooling inefficiencies, including freon additions and component replacements that improved system performance. A third customer described a three-person team executing a ductwork replacement, noting the crew's attention to cleanup and their proactive identification of an unrelated electrical issue on the AC unit. These accounts portray a team where individual technicians carry distinct client relationships and specialized competencies.
What Customers Say
All three featured reviewers award 5-star ratings, with each account naming a specific technician and describing distinct service scenarios ranging from emergency furnace repair to multi-day ductwork replacement. No negative reviews appear among the available feedback.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| SaturdayToday | Open 24 hours |
Services
AC Repair & Maintenance
Diagnostics, freon additions, and component replacement for cooling systems in older and newer homes alike.
Furnace Repair
Emergency repairs including inducer motor replacement and same-day parts sourcing for heating system failures.
Ductwork Installation
Full ductwork replacement spanning multi-day projects with thorough cleanup and post-installation system checks.
Heating & Cooling Service
Ongoing HVAC maintenance and repair for residential systems across the Livermore area.
System Diagnostics
Thorough problem identification that sometimes reveals issues missed by previous service providers.