by John Krigger | May 6, 2022
(0.5 CEUs; 30 minutes) Wall insulation is more challenging than floor or ceiling insulation because walls are vertical and experience the kind of chimney effect. This means they are more likely to have convection currents that reduce their thermal resistance, compared...
by John Krigger | Jan 20, 2022
(2.0 CEUs) People need space conditioning systems because the outdoor temperature is different than the temperature that people prefer indoors. This lesson explains basics of how buildings gain and lose heat according to the season.
