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</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)</p> Signup and view all the answers

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

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

    What is the design cooling load based on?

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

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