Residential HVAC Installation Practice Exam

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When it comes to sizing air conditioning and heating equipment, what statement is true?

  1. Bigger equipment is always better for efficient cooling and heating

  2. Smaller equipment is more energy-efficient

  3. Oversized equipment cools the space faster

  4. Proper sizing is crucial for optimal performance

The correct answer is: Oversized equipment cools the space faster

Oversized equipment cools the space faster because it can deliver more cold air into the space. However, this may lead to short cycling, where the system turns on and off frequently, resulting in inefficient operation and uneven temperatures. Proper sizing is crucial for optimal performance to ensure that the system runs efficiently, maintains consistent comfort levels, and operates within its intended design parameters.

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