THE PACE PRINCIPLE - WEATHER BASED ENERGY
is a weather-based energy control system. It compensates for the effects
of temperature, wind, solar gain, and rain on the perimeter walls of a building.
PACE does not use interior air temperature as a reference point as do conventional
control systems. Instead, a PACE system maintains an economical
comfort level because it is based on the principle of replacing heat at
the same rate it is lost from the building envelope.
Steady-state operation means that the heat is always ON, but only in the
exact degree, or percentage output, required to maintain a thermal barrier
around the perimeter walls. The thermal barrier assures comfort by effectively
insulating the interior or core area from further heat loss. The power used
by a PACE system to maintain the thermal barrier is a small fraction of
what a conventional system uses. It is a classic example of doing more with
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