All heat pumps should be installed with a supplemental (or back up) heating source for when outdoor temperatures drop and the heat pump alone can no longer meet the demand for heat.

Answer: True
Explanation: True. Most heat pumps, including air-source heat pumps, should be installed with a supplemental (or back-up) heating source for when outdoor temperatures drop and the heat pump alone can no longer efficiently meet the heating demand. Heat pumps are designed to extract heat from the outside air, but as the temperature outside decreases, their efficiency diminishes. When temperatures drop significantly (typically below 30°F to 35°F), the heat pump may struggle to produce enough heat to maintain indoor comfort. To address this, a backup heating system, such as electric resistance heat or a gas furnace, is often integrated into the system to provide additional warmth during extreme cold spells. This supplemental heating ensures that the home remains comfortable even in very low temperatures, preventing the heat pump from overworking or failing to provide sufficient heat.

Answer: True
Explanation: In colder climates this will happen so for a higher demand of heat, back up heat is required.

Answer: True
Explanation: That is called balance point.

Answer: True
Explanation: This is true in the colder climates but not in the warmer climates.

Answer: Not sure
Explanation: All heat pumps as in air source and ground source-No, all air source-yes

Answer: True
Explanation: True of course because heat can become very critical to people and structures. The heat pumps continue to become more reliable however and able to work at lower and lower temperatures