AVTECH
AVTECH is one of the best companies that provide products to remotely monitor and alert of any changes to a room's environment. From simple room temperature monitoring to smoke, water, and ups monitoring. Configuration is through a simple web interface for their products that allows for setting up simple to complex alert systems. Users can be alerted by email, SNMP, email to SMS and more to be sent to a monitor's cell phone. AVTECH products are ideal for server room monitoring or even simply monitor temperature of a remote location with internet access.
Vist them at http://www.avtech.com/