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งา�Ȩ��ลุ่มที่5

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This document discusses 5 ways to reduce energy usage in a home. It lists replacing incandescent light bulbs with LED bulbs, improving insulation, installing a programmable thermostat, sealing air leaks, and upgrading appliances to energy efficient models as strategies to cut energy costs.

งา�Ȩ��ลุ่มที่5

งา�Ȩ��ลุ่มที่5

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4

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5
8
 2.1
2
 2.2

 2.3
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1. 5
2.
3.
4.
5.

 2
1
2 (CFL)

1
2 (thermostat)

งา�Ȩ��ลุ่มที่5

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งา�Ȩ��ลุ่มที่5

4.    

5.  5 8  2.1 2  2.2

6.  2.3   1. 5 2. 3. 4. 5.

7.  2 1 2 (CFL)

8. 1 2 (thermostat)