Air conditioning

The term air conditioning includes any ventilation system with fan and heater. True air conditioning is providing control of temperature, humidity and purity of air in summer and winter. It involves means for warming and humidifying in winter, and for cooking and dehumidifying in summer. Air conditioning is finding an ever widening application in industry. Accurate control of atmospheric conditions is very important for industrial proc­esses. Air conditioning systems vary in complexity and cost. Complex systems are finding their application in air conditioning of a multistory of­fice block, factory, cinema or theatre.

There are two main sections of air conditioning:

1)for industrial processes,

2)for human comfort

Air conditions system for industrial processes produces air of prede­termined temperature and moisture content. It keeps the air from all exter­nal influences. There are three types of air conditioning - winter, summer and complete.

Winter air conditioning includes cleaning, heating, humidifying and circulating of air. It is finding its application in office buildings, auditori­ums, schools and residences. Summer air conditioning includes cleaning, cooling, dehumidifying and circulating of air. The people use summer air conditioning in stores. Complete air conditioning includes winter and summer functions. It is used in theatres, large department stores. Each type of air conditioning depends upon the climatic conditions.

1 term	термин
2 air conditioning	кондиционирование воздуха
3 to provide	обеспечить
4 humidity	влажность
5 to involve	включать
6 to humidify	увлажнять
7 to design	проектировать, предназначать
8 to determine	определять
9 to include	включать
10 to circulate	циркулировать
11 fan	вентилятор
12 heater	подогреватель, отопительный прибор

7. Make the following sentences complete:

1.There are many factors in air-conditioning, which are of importance, but the most important ones are...

2.Air - motion distributes the air…

3.Air -motion is caused by heating or…

4.Air - motion takes place because of the difference between…

5.Air-conditioning systems include a fan,…

8. Read the beginning of the text, complete it basing your information on the items of the plan:

THE PLAN.

1. What do we understand by air-conditioning?

2. Where can air-conditioning systems be installed?

3. What factors does air-conditioning control?

4. What pieces of equipment are used in air-conditioning?