Degree Controls Inc. (www.degreec.com) has introduced the PRONTOflowTM line of off-the-shelf, programmable thermal controllers and fan trays for applications such as power and acoustics. The PRONTOflow controller is configured to accept 36 to 60V dc. It can provide regulated voltage to a system of up to nine fans. In addition, both I2C and RS232 protocols allow full communication to a host system. Other features include various choices of controller cards.