Variable
speed drives in pump systems are now a mature technology that, in correct
applications, can generate large benefits to the user in cost savings and
reliability improvements.
An
unstable connection can cause the water heater’s vent collar to separate or
detach if pressure is applied, which poses a risk of carbon monoxide poisoning to the consumer.
New research, supported by
the Center for Construction Research and Training, found that construction
workers on LEED projects suffer more falls than workers on traditional projects.