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 Jobs in Massachusetts. HVAC Agent is the leading job board for HVAC, Heating, Air Conditioning, Refrigeration and Appliance Repair jobs. Below are the links for HVAC jobs in Massachusetts, select the city to view all available jobs.s a leading innovator of home and commercial, heating, cooling, refrigeration, air-quality, and related services ... Estimator-Commercial HVAC/R - (J000f37c0) in Medford, Massachusetts 02155. HVAC Estimator; Project-Manager; Purchasing - (J000f37c0).