There are three distinct types of muscles: skeletal muscles, cardiac or heart muscles, and smooth (non-striated) muscles.
HVAC technicians are responsible for the installation, maintenance and repair of heating, ventilation and air conditioning (HVAC) systems. As an HVAC technician, your job duties may include inspecting existing systems and making recommendations intended to improve the efficiency and/or safety of that system's performance. HVAC-R techs may also work on refrigeration systems.
HVAC Mechanic Salary. (United States). Very much a male-dominated career in the United States, HVAC Mechanics earn an average of $21.71 per hour. Geographic location is the biggest factor affecting pay for this group, followed by career length.United States). Very much a male-dominated career in the United States, HVAC Mechanics earn an average of $21.71 per hour. Geographic location is the biggest factor affecting pay for this group, followed by career length.