<p>Do you know that there is star symbol in AC as an energy-efficient label? AC with 4 stars is the most energy-efficient AC and can save your electricity bill.</p>
<p>Sumber: <a href="http://iesr.or.id/mengenal-air-conditioner-ac-yang-hemat-dan-efisien-energi-2/" target="_blank" rel="noopener">http://iesr.or.id/mengenal-air-conditioner-ac-yang-hemat-dan-efisien-energi-2/</a></p>