Table 4 - Temperature Set Points
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Questions and Answers

What temperature is set for daytime heating for the main and upper floors of a house?

  • 25 °C (77 °F)
  • 19 °C (66 °F)
  • 18 °C (64 °F)
  • 21 °C (70 °F) (correct)

In a house with air conditioning ducted to the basement, what is the cooling set point temperature?

  • 18 °C (64 °F)
  • 21 °C (70 °F)
  • 25 °C (77 °F) (correct)
  • 19 °C (66 °F)

What is the heating set point for the basement/walkout area if air conditioning is not ducted to the basement?

  • 25 °C (77 °F)
  • 21 °C (70 °F)
  • 15 °C (59 °F) (correct)
  • 19 °C (66 °F)

How does the compliance software handle basement temperature when air conditioning is not ducted to it?

<p>Allows the basement temperature to vary (B)</p> Signup and view all the answers

What temperature is water heated to for household use, like showers and dishwashing?

<p>55°C (131°F) (D)</p> Signup and view all the answers

How does the number of occupants impact the hot water load in a household?

<p>Increases it (A)</p> Signup and view all the answers

What happens if the ratio of glazing area to floor area is outside 17 – 22% according to the text?

<p>It is adjusted by the software (A)</p> Signup and view all the answers

How does the approved compliance software distribute the glazing area in different directions?

<p>Equally to face the north, south, east, and west directions (B)</p> Signup and view all the answers

What is the design cooling load based on?

<p>Climatic data and building envelope details (B)</p> Signup and view all the answers

Which dataset does the approved compliance software use for climatic data?

<p>Data from Canadian Weather Energy and Engineering Datasets (CWEEDS) (D)</p> Signup and view all the answers

What does the design heating load represent?

<p>The heat loss from the house without any solar or internal gains (C)</p> Signup and view all the answers

What temperature does the design heating load aim to maintain in the house?

<p>+22 °C (71.6 ºF) (D)</p> Signup and view all the answers

How is the load attributed to household operating conditions calculated?

<p>By multiplying the hot water load by the number of occupants (D)</p> Signup and view all the answers

What is the impact of having an ENERGY STAR certified clothes washing machine on the hot water load?

<p>Reduces the hot water load by 18 L per day (A)</p> Signup and view all the answers

How are temperature set points used in estimating household energy use?

<p>To apply a time-weighted average for daytime and nighttime heating (C)</p> Signup and view all the answers

What is the average daily set point if the day set point is 21°C and the night set point is 18°C?

<p>20°C (68°F) (B)</p> Signup and view all the answers

How can the lighting load be reduced in the household model?

<p>By using compact fluorescent light bulbs or LEDs in more than half of the fixtures (C)</p> Signup and view all the answers

What is the impact of using compact fluorescent light bulbs or LEDs on the lighting load modelled?

<p>Reduces lighting load by 1 kWh/day (C)</p> Signup and view all the answers
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