Humber/Ontario Real Estate Course 3 Exam Practice

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What best describes heating system capacity?

  1. Ability to reduce heating costs efficiently

  2. Measured efficiency in cost-saving terms

  3. System's output expressed in BTUs

  4. Amount of heat the system can produce

  5. Capability ranking systems for all home sizes

  6. Mid-range measurement focus

The correct answer is: Amount of heat the system can produce

The description that best captures heating system capacity is the amount of heat the system can produce. Heating system capacity is fundamentally about the thermal output of the system, which is crucial for determining how well it can maintain comfortable temperatures in a given space. This output is often expressed in BTUs (British Thermal Units), which quantifies the energy needed to raise the temperature of one pound of water by one degree Fahrenheit. While concepts such as efficiency, cost savings, and capability rankings regarding home sizes are important considerations when evaluating a heating system, they do not directly define capacity. Capacity specifically relates to how much heat the system can generate to adequately warm living spaces, making it the most accurate and focused characterization of heating system capacity.

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