Heating system controls regulate when the various components of the heating system turn on and off. The most important control from your standpoint is the thermostat, which turns the system â or at least the distribution system â on and off to keep you comfortable. A typical forced air system will have a single thermostat.
The ultrasound techs in Ohio make between 25,000 and 40,000 dollars a year. This is a job that is easily learned without a college degree.
Ultrasound technicians, or diagnostic medical sonographers, earn their pay by using diagnostic equipment that directs sound waves to take images of the human body. Ultrasound techs earned an average $65,800 annually, or $31.63 per hour, as of May 2011, according to the Bureau of Labor Statistics. The lowest-paid 10 percent received $44,950 per year, or $21.61 per hour. The highest-paid 10 percent made $90,640 yearly, or $43.58 hourly.