
24/7 Emergency: 925) 570-6791
Office
(925) 560-9302
Email
About Us
DWAYNE DENNIS
President
Dwayne has over 25 years field and management experience in HVAC installation, maintenance and repair.
He began as a service technician in 1982 and rapidly rose to increasingly greater management positions. His experience includes design build projects, energy management system design and installation, system technical audits and cost control management.
Dwayne's commitment to customer service drives QAS -- " The best service we can offer our clients is to use our experience to help them make decisions today based on current facts to reduce and controls their repair and utility costs tomorrow."

Air Conditioning
Maintenance
Repair
Installation
Energy Management
Leeds Certification
Energy Benchmarking
Retrofits & Replacements
Efficiency Upgrades

Serving all of Northern
California & the Central Valley

Licensed contractor #817772
