The ___ promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health.

Most noncondensing boilers could be forced to condense by changing the set points of the controls.

Some compression tanks are equipped with a ___ for determining the compression tank water level.

Some compression tanks are equipped with a ___ for determining the compression tank water level.

A hot water heating system is isolated from the makeup water supply line by a ___.

In addition to safety valves, four other types of valves are sometimes used on boilers to prevent overpressure.

During bottom blowdown, the boiler operator should hold the valve handle until the valve closes.

Heating units are designed to minimize heat loss from a building space.

In addition to safety valves, four other types of valves are sometimes used on boilers to prevent overpressure.

A solution with a pH greater than ___ is alkaline.