So, in order to get a stable career with a good salary in the ever changing economic times, HVAC technician job is always a good option. As per the resources, the lowest salary received by a fresh certified HVAC technician is 22 to 25 dollars per hour.In case the person has completed any additional courses then, he may also get up to 30 to 35 dollars per hour.o, in order to get a stable career with a good salary in the ever changing economic times, HVAC technician job is always a good option. As per the resources, the lowest salary received by a fresh certified HVAC technician is 22 to 25 dollars per hour.
The most commonly used energy-saving light bulb is the compact fluorescent light (CFL). Light-emitting diodes (LEDs) are increasing in popularity, but their high costs are often prohibitive for the average household. CFLs offer substantial energy savings to their users. But they have their drawbacks, too --- for example, some question the safety of CFLs due to the their potentially toxic contents.
Key Differences Between LED and CFL Bulbs. 1  The LED bulb stands for Light Emitting Diode, and CFL stands for Compact Fluorescent Light. 2  LED bulbs are more energy efficient than CFLs. 3  The LED bulb consumes less electricity than its counterpart CFL 75% a year in energy cost.