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2. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   An HVAC technician is a tradesman who specializes in heating, ventilation, air conditioning, and refrigeration. HVAC technicians in the US can receive training through formal training institutions, where most earn associate degrees .

3. Section 608 - Wikipedia

   en.wikipedia.org/wiki/Section_608

   A technician seeking Universal certification must correctly answer 18 out of 25 questions on each section of the exam. In addition to covering EPA (in particular, Section 608) regulations, the exam also covers basic safety and occupational practices, along with fundamental concepts of stratospheric ozone protection (which are typically part of ...

4. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [2] [3] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). [4]

5. Is labor market bouncing back? Here's what the November jobs ...

   www.aol.com/us-economy-adds-227k-jobs-133233084.html

   U.S. hiring bounced back in November with employers adding 227,000 jobs as the adverse toll on payrolls from two Southeast hurricanes and worker strikes largely reversed. The unemployment rate ...

6. Testing, adjusting, balancing - Wikipedia

   en.wikipedia.org/wiki/Testing,_adjusting,_balancing

   In heating, ventilation, and air conditioning (HVAC), testing, adjusting and balancing (TAB) are the three major steps used to achieve proper operation of heating, ventilation, and air conditioning systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service.

7. Building services engineering - Wikipedia

   en.wikipedia.org/wiki/Building_services_engineering

   The two most notable professional bodies are: The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) was founded in 1894.; The British Chartered Institution of Building Services Engineers (CIBSE) was founded in 1976 and received a Royal Charter in the United Kingdom, formally recognising building services engineering as a profession.