Complete the following sentences according to the text.

Date: 2015-10-07; view: 498.

Decide whether the following statements are true or false according to the text.

COMPREHENSION CHECK

1) Stale air is diluted or removed by ventilation which supplies fresh air to your home.

2) Using common sources of moisture, odors, and gases means improving indoor air quality.

3) General ventilation is used for localized pollution sources.

4) In spot ventilation the exhaust fan is usually turned off when the source is producing pollutants.

5) General ventilation fans operate constantly to control pollutants.

6) Exhaust fans draw fresh air in through cracks, windows, or fresh air intakes while pulling stale air out of your house.

7) Exhaust-only ventilation is more simple than supply-and-exhaust.

8) Exhaust-only ventilation means energy-recovery ventilation.

9) Air always moves from lower to higher pressure areas.

10) Your home's location, the type of system used, and how your home was built influence operating costs.

1) Good ventilation is important because …

2) … are signs of poor ventilation.

3) Spot ventilation uses exhaust fans in order to …

4) General ventilation is used constantly because ...

5) General ventilation can be provided in two ways: …

6) Exhaust-only ventilation is a good choice for homes that …

7) With supply-and-exhaust ventilation, exhaust fans pull stale air out of the house while …

8) Supply-and-exhaust ventilation is a good choice for homes with …

9) Understanding how air moves inside your home can help you …

10) The cost of ventilation system depends on …