Abstract
Lighting plays a big part in making a first impression for your establishment and ensuring a comfortable environment. The right light levels will make people feel welcomed and at home. A compact fluorescent lamp (CFL) is a type of fluorescent lamp. Many CFLs are designed to replace an incandescent lamp and can fit in the existing light fixtures formerly used for incandescents. The CFLs provide lighting people are accustomed to in their homes, with the added benefit of long life and lower total operating costs. They last up to 13 times longer and use significantly less energy than an incandescent, which reduces maintenance and electricity costs. Depending on the compact fluorescent lamp you use, you can save significantly in energy costs as compared to a standard incandescent lamp. These lamps also have considerably less greenhouse emissions than incandescents so they are better for the environment. The purpose of this study is to research the quality light output of residential lighting. The residential lighting involve U type CFLs and twister type CFLs. The quality light output include luminous efficiency, color temperature, color-rendering index (CRI) and spectrum. These informations shall provide select energy saver lamps concepts to consumers. Based on this study, the authors recommend the high power CFLs in luminous efficiency. The relation seems not noticeable for CFLs in CRI. The information can be also an advice to improve for lack of daily energy saving index of Green Building, except that this work can be a frame of reference when the government sets up the relevant polices.