2. Appliances.

Question 1

2. Big ceiling fan?

Answer 1

Padl-Fan.

Question 2

3. Why High-Efficiency furnace need condensate pan and drain?

Answer 2

High-Efficiency furnaces extract so much heat from the flue gas, the flue gases are cooled below their dew point.

Question 3

4. Same as heat-recovery ventilator with a heat exchanger core designed for more moderate climates?

Answer 3

Energy-recovery ventilator.

Question 4

5.

Answer 4

.

Question 5

6. A house ventilation fan that expels air. As this air is expelled, the outside vent simultaneously draws in fresh air, warming it with heat recovered from the indoor air being expelled. These are most popular in cold climates?

Answer 5

Heat-recovery ventilator.

Question 6

1. Name of a Whole-House-Fan installed in attic?

Answer 6

Kiln.