The new SCU 345 solar system control from Viessmann has preconfigured layouts for one-, two- or three-load systems, four relay outputs and adjustable delta-T and time-controlled thermostat functions.
Contractors involved in home performance audits now have access to a modular, fully customizable and affordable home performance reporting software tool - APT Reports.
The
code supplement, updated for 2012, contains many new or revised provisions
addressing a number of areas where greater efficiency can be reasonably
achieved.