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.
According to the U.S. Bureau of Labor Statistics, the annual median pay of ultrasound technicians is $67,530 as of May 2014, with a range of $46,930-$93,850.