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.
Summary: 1. CFL is the smaller version of the fluorescent bulbs that are common in most homes and offices, while LEDs are common in electronic devices. 2. LEDs are substantially smaller compared to CFL. 3. You need a lot more LEDs to match the light of a single CFL.4. LEDs are more energy efficient compared to CFLs. 5.LEDs do not need extra components, like the ballasts that CFLs need.. You need a lot more LEDs to match the light of a single CFL. 4. LEDs are more energy efficient compared to CFLs. 5. LEDs do not need extra components, like the ballasts that CFLs need.