Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

The thermostatic expansion valve (TXV or TEV) is a metering device located between the refrigeration system’s liquid line and the evaporator. It is a rather complex valve with a remote bulb feedback ...

When troubleshooting a system with a thermostatic expansion valve (TXV), it is a good practice to measure the refrigerant’s superheat value leaving the evaporator. This is one of several good ...

When we last spoke to the people at Microstaq Inc., maker of the silicon Ventillum microelectromechanical systems (MEMS) expansion valve IC, they were busy addressing the requirements of the HVAC ...