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 | May 5, 2022
(0.9 CEUs; 55 minutes) Heating load is a term that describes the capacity of a heater. Annual energy consumption is an important figure because it determines how much energy a heating system uses in a year, and from that you can determine the annual cost of heating a...
by John Krigger | May 5, 2022
(0.5 CEUs; 30 minutes) When matter changes states from a gas to a liquid to a solid it’s embodied heat decreases. If it goes from solid to liquid to gas it’s embodied energy increases. This is a very important building science concept. These two...
by John Krigger | May 5, 2022
(0.9 CEU; 55 minutes) This course explores the contrast between homes in warm climates and cold climates, both in their seasonal energy use and their baseload energy use. This micro course also talks about how the percentages of electricity and gas usage vary...
by John Krigger | May 5, 2022
(0.5 CEU; 25 minutes) Electricity peak load is one of the world’s most challenging energy problems. In the summer heat, the energy users of a particular utility company all need electricity at the same time. This peak load drives up the cost of electricity to...
