Amtech Mechanical Heating Air Conditioning: Trusted HVAC Services Serving Castro Valley, CA 94546

First, check your thermostat settings and circuit breaker. If it's a smart thermostat, a simple reboot can often resolve connectivity issues. For persistent problems, especially with older systems common in our area, contact us. With decades of experience since 1973, we specialize in diagnosing and repairing all types of HVAC systems to restore your comfort efficiently.

Absolutely. Many Castro Valley homes are upgrading to smart thermostats, and we frequently handle installations and troubleshoot common local issues like Wi-Fi connectivity drops or compatibility with existing HVAC equipment. We ensure your new thermostat integrates smoothly with your system for optimal control and energy savings.

Yes, we do. We specialize in commercial refrigeration repair and maintenance, a vital service for Castro Valley's restaurant community. A refrigeration failure can disrupt business, so we provide reliable, timely service to minimize downtime and protect your inventory, drawing on our extensive experience since 1987.