HOW DOES INSULATION CONTRIBUTES IN ENERGY
EFFICIENT BUILDINGS?
Insulation is one of the most efficient ways to save energy
at home since it keeps it warm in the winter and cool in the
summer. Insulating a house has several benefits such as
energy savings, cost savings and increased comfort. Barriers to
undertake energy savings measures may be split incentives,
relatively high investment costs, and the time and effort
required to realise the energy savings. There are several types
of insulation against heat loss in cold climates, each with its
own technical characteristics and financial costs and benefits.
Insulation measures are generally one of the most cost effective
energy savings measures.By insulating a house, one can
reduce the heat loss in buildings in cold weather or climate, and
reduce a heat surplus in warmer weather or climate. Thus,
insulation limits the need for heating or cooling the house. Heat
losses or heat surpluses arise because of differences between
the indoor and outdoor air temperature.Naturally, heat flows from a warmer to a cooler space, and the
temperatures will converge to an equilibrium temperature, a
physical phenomenon based on mechanisms like transmission
(the heat flow through materials) and ventilation (heat flow by
air). Insulation aims at reducing the speed of this convergence
of temperature in order to decrease the need for heating or
cooling.This technology description focuses on insulation
against heat loss, but includes some references on insulation
for cooling.


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