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2. 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 ...

3. Texas Department of Licensing and Regulation - Wikipedia

   en.wikipedia.org/wiki/Texas_Department_of...

   The Texas Department of Licensing and Regulation (TDLR) is a state agency of Texas. TDLR is responsible for licensing and regulating a broad range of occupations, businesses, facilities, and equipment in Texas. [1] TDLR has its headquarters in the Ernest O. Thompson State Office Building in Downtown Austin. [2] [3]

4. Refrigerant reclamation - Wikipedia

   en.wikipedia.org/wiki/Refrigerant_reclamation

   The final rule published on May 14, 1993, requires that refrigerant sold to a new owner be reclaimed to the AHRI Standard 700 of purity by a certified reclaimer (Sec. 82.154(g) and (h) referencing standard in Sec. 82.164 and the definition of reclaim found in Sec. 82.152).

5. 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. Training for HVAC technicians includes classroom lectures and hands-on tasks, and can be followed by an ...

6. Home inspection checklist for buyers: What to know - AOL

   www.aol.com/finance/home-inspection-checklist...

   HVAC (heating, ventilation and air conditioning), including thermostats, vents, distribution systems, access panels, insulation and vapor retarders Entrance Stairways

7. Refrigeration - Wikipedia

   en.wikipedia.org/wiki/Refrigeration

   Commercial refrigeration. Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature). [1] [2] Refrigeration is an artificial, or human-made, cooling method. [1] [2]