An HVAC installer can earn an average of $42,000 a year, with four or more years of experience, while those new to the field make an average of $26,000 the first three years. Working in the motor vehicle manufacturing industry can offer the highest salary, with the average employee earning $68,000 a year.he HVAC salary will typically depend on an individualâs skill level, years of experience and place of employment. The tech will working by installing, repairing and maintaining air conditioning, ventilation and heating units for commercial or residential buildings.
CFL bulbs, on the other hand, are made of glass tubes filled with gas and a small amount of mercury. The amount is so small that an old-fashioned glass thermometer holds 100 times as much mercury as one CFL bulb.he mercury in a CFL bulb also means that you should not toss burned-out bulbs in the trash. Many municipalities offer recycling services, as do retailers such as Home Depot, Wal-Mart and IKEA, although not necessarily at all locations.
Compact fluorescent bulbs, also known as CFLs, contain a fluorescent tube and ballast in a single unit, and are designed to replace incandescent bulbs. A 23- to 27-watt CFL provides the same amount of light as a traditional 100-watt incandescent bulb while consuming about 75 percent less energy. former 100-watt light bulb manufactured on or after January 1, 2011 and sold in California will have to use 72 watts or less. The 72-watt replacement bulb will provide the same amount of light (called lumens) for lower energy cost.