Thermostats, fan speed controls, timers, occupancy sensors, etc.

ASHRAE 62.2 Controls

Fan controls to meet ASHRAE 62.2 ventilation requirements.

Exhaust Fan Controls

Electronic timers, humidity switches, and fan speed controls.

HVAC Lockout

Lockout your HVAC equipment based on doors or windows being open. Save energy costs and short cycling of HVAC equipment.

Occupancy Switches

Occupancy/vacancy sensor switches. Ideal for lighting controls in rooms that are not occupied all the time.

Relays & Misc Controls

Relays are used to control higher amperage or voltage loads with a control signal. Also, lead lag controllers, wireless relays and more.


Electronic and mechanical timers, fan delay switches, and programmable timers.

Title 24 Vacancy Sensors

California Title 24 compliant manual on / auto off occupancy and vacancy sensor switches.


Residential and light commercial thermostats for controlling heating and cooling equipment. Standard 24VAC and line voltage (115V) versions.


why buy from us?

We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.

Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.