The CONTECA from Caleffi North America is a direct heat energy meter designed to measure and record thermal energy usage in residential and commercial buildings, for heating only, cooling only or both heating and cooling. It has an eight-digit liquid crystal display that enables easy reading of Btu consumed, as well as a range of technical data indicating equipment operating status and logged data. It is easy to install and commission, and it is certified to ASTM E3137/E3137M-17 Standard Specification for Heat Meter Instruments by ICC-ES and Directive 2014/32/EU EN 1434 (MI 004). The heat meter has integral RS485 protocol two-wire communication for daily and monthly log data accessible via local user interface or remotely with two pulse inputs for domestic cold- and hot-water meters and two universal pulse inputs for gas or electric measurement. Up to 250 meters can connect to one data logger. It offers Modbus and BACnet communication. 414-238-2360; www.caleffi.com.