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Claim This BusinessAll Air Masters has earned a near-perfect 4.9-star average from 370 customer reviews in Upland, California. This family-run contractor handles installations, maintenance, and repairs across the Pomona Valley, with clients routinely noting Frank, Frankie, and their crew as among the most thorough and hardworking technicians they have ever hired. Whether the project involves a brand-new HVAC system or emergency heating repair, homeowners in Claremont, Montclair, and surrounding communities trust this team for straightforward guidance and reliable craftsmanship.
Reviewers repeatedly praise specific technicians by name rather than generic customer service scripts. Frankie Cruz arrived within 24 hours of a maintenance request, diagnosing the issue and replacing parts faster than expected while explaining costs clearly. During a full HVAC replacement, technician Fabian led a crew that customers called simply awesome for their coordination and care. For a complex attic duct installation involving a new Slimline AC unit, Rafael performed additional tasks without being asked, demonstrating genuine investment in the final result.
Homeowners planning upgrades can learn from real All Air Masters projects. A Claremont resident described a complete transformation when the crew constructed a new platform for the furnace, installed custom ducting, and added air vents and returns. Another customer shared that Frank Cruz identified her central heating problem quickly, answered every question patiently, and provided honest repair options instead of pushing unnecessary work.
Every reviewer rated All Air Masters five stars, with 370 customers contributing to the 4.9 average. Technicians Frankie Cruz, Rafael, and Fabian earned personal mentions across multiple reviews for fast response times and thorough explanations. Homeowners frequently described the crew as the hardest workers they have ever seen.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–4 PM |
Complete heating and cooling system replacement using modern high-efficiency units, including removal of aging equipment and proper sizing for each home.
Seasonal tune-ups and inspections designed to catch wear early, improve efficiency, and extend equipment lifespan before peak demand periods.
Rapid diagnostic and repair services for sudden failures, with technicians arriving within 24 hours to restore comfort and address safety concerns.
Custom attic duct systems, platform construction for furnaces, and return-air configuration tailored to each residence for optimal airflow distribution.
Air filtration upgrades, purification systems, and ventilation improvements to reduce allergens, humidity, and contaminants throughout the home.
Installation and maintenance of climate-control systems for businesses, offices, and retail spaces across the Upland metropolitan area.