Radiant Barrier – Phoenix & Tucson
Arizona Energy Pros is Phoenix and Tucson’s best Radiant Barrier Installer. We install only the best radiant barrier products for your home.
A Radiant Barrier is usually installed in attic homes. It is primarily used to reduce the impact of the sun and the summer heat. Radiant barrier can help keep your home cooler in the summer and lower the air conditioning use, therefor lowering your electric bill.
Radiant barriers is produced from highly reflective material that re-emits the radiant heat away from the home. They do not have any affect on reducing heat conduction; the way insulation does.
How Does Radiant Barrier Work?
A radiant barrier’s performance is determined by three factors:
- Emissivity (or emittance) – the ratio of the radiant energy (heat) leaving (being emitted by) a surface to that of a black body at the same temperature and with the same area. It’s expressed as a number a between 0 and 1. The higher the number, the greater the emitted radiation.
- Reflectivity (or reflectance) – a measure of how much radiant heat is reflected by a material. It’s also expressed as a number between 0 and 1 (sometimes, it is given as a percentage between 0 and 100%). The higher the number, the greater the reflectivity.
- The angle the incident radiation strikes the surface—a right angle (perpendicular) usually works best.
Radiant barriers are more effective in hot climates, like Phoenix and Tucson. Some studies show that radiant barriers can lower cooling costs between 5%–10% when used in a warm, sunny climate. The reduced heat gain may even allow for a smaller air conditioning system. But in cool climates, it’s usually more cost effective to install more than the minimum recommended level of insulation rather than a radiant barrier.
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