
Is this your business?
Verify your details, earn a verified badge, and start getting customer inquiries. Takes about a minute by phone.
Claim This Business FreeClaiming is free. Featured placement is optional, $99/mo.
About Advanced Air Systems
Advanced Air Systems operates as a licensed HVAC contractor based in Thousand Oaks, California, serving Ventura County residents with a 5-star rating from a single verified customer review. The company specializes in residential heating and cooling systems, with particular expertise in emergency refrigerant line repairs and complete central air replacements. Service areas include Thousand Oaks, Simi Valley, and surrounding Ventura County communities, where the contractor has built relationships with homeowners through responsive, professional service.
What distinguishes this contractor is their commitment to transparent communication and contract integrity. Unlike typical service calls where final bills exceed initial estimates, Michael from Advanced Air Systems honored the original contract price while performing additional work beyond the scope of the agreement. The company maintains a diagnostic-first approach, listening to homeowner concerns about cost before presenting multiple thoughtful upgrade options rather than pushing the most expensive solution.
Customer experiences highlight rapid response capabilities during extreme weather conditions. When Joe S. faced a refrigerant line rupture during 100-degree temperatures in 2023, Michael arrived the same day, located the leak efficiently, and completed repairs without unnecessary part replacements. For a 2025 central air upgrade project, Michael provided consistent pre-install communication, arrived on schedule, and delivered a complete installation that exceeded the homeowner's expectations while maintaining the agreed-upon pricing.
What Customers Say
The single 5-star review describes two distinct service encounters spanning 2023 to 2025, both managed by technician Michael. Reviewer Joe S. specifically praises same-day arrival during extreme heat, thorough diagnostic work, transparent pricing discussions, and contract integrity where additional work did not result in unexpected charges. No negative reviews exist to balance this extremely positive feedback.
Services
Emergency AC Repair
Same-day refrigerant line leak detection and repair, including diagnostic services and refrigerant refilling.
Central Air Installation
Complete system replacement from quote to final install, with multiple equipment options and transparent pricing.
AC Maintenance
System tune-ups and preventive maintenance to extend equipment lifespan and maintain efficiency.
Heating System Service
Heating repair and installation services for residential systems in the Thousand Oaks area.
HVAC Diagnostics
Thorough assessment of system issues with clear explanation of problems and recommended solutions.
Indoor Air Quality
Assessment and solutions for improving residential air quality and system ventilation.