The typical thicknesses of wall and ceiling insulation were installed during its construction, but the current owners, over the years, reduced energy use by sealing cracks in the house's envelope and exposed ductwork, improving the weatherstripping, adding storm windows and doors, and installing a setback thermostat
and more energy-efficient appliances and lighting.
If you have a variable schedule, a typical setback thermostat
won't adjust to your changes.
Simple things like installing a setback thermostat
, turning off room lights and computers when not in use, and replacing lights with more efficient lighting options provide cost savings and are important steps in being green.
As examples, Figure 1 comprises the graphical parts of two screens: a) the setup and control of a classic setback thermostat
; and b) the settings of an in-mass radiant floor heating zone with two-stage heating.
That will more than pay for the cost of the setback thermostat
in the first year.
Q We've always used a setback thermostat
to lower the temperature at night and during the day while we're gone.
We recommend that you put the heater on a separate setback thermostat
that automatically turns it on when you're home and using the room.
* Install and use an automatic setback thermostat
. You can reduce your heating and cooling costs by 5 to 15 percent.
that have the wrong time may make you inappropriately hot or cold.
(1988) concluded that setback thermostats
are of questionable value and may even be counterproductive in a home built to R-2000 standards.
He adds HVAC system operation can be further controlled by including setback thermostats
to adjust temperatures to user-selected levels at programmed times.