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2. Heating, ventilation, and air conditioning - Wikipedia

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

   HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR (as in the designation of HACR-rated circuit breakers).

3. Maintenance - Wikipedia

   en.wikipedia.org/wiki/Maintenance

   Planned preventive maintenance (PPM), more commonly referred to as simply planned maintenance (PM) or scheduled maintenance, is any variety of scheduled maintenance to an object or item of equipment. Specifically, planned maintenance is a scheduled service visit carried out by a competent and suitable agent, to ensure that an item of equipment ...

4. Wikipedia:Template index/Maintenance - Wikipedia

   en.wikipedia.org/.../Maintenance

   You must permit the use of your material under the terms of the Creative Commons Attribution-Sharealike 4.0 International License (CC BY-SA 4.0) and the GNU Free Documentation License (GFDL) (unversioned, with no invariant sections, front-cover texts, or back-cover texts). Explain your intent to license the content on this article's discussion ...

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Buildings designed with passive air conditioning are generally less expensive to construct and maintain than buildings with conventional HVAC systems with lower energy demands. [112] While tens of air changes per hour, and cooling of tens of degrees, can be achieved with passive methods, site-specific microclimate must be taken into account ...

6. Home Emergency Insurance Solutions Water Line Repair Coverage ...

   www.aol.com/news/2013-07-11-home-emergency...

   For more information, contact Home Emergency Insurance Solutions toll-free at 1-855-321-9859 or visit www.srdserviceplans.com. About HomeServe HomeServe USA Corp (HomeServe) is an independent ...

7. Facility management - Wikipedia

   en.wikipedia.org/wiki/Facility_management

   Maintenance, testing, and inspection schedules are required to ensure that the facility is operating safely and efficiently in compliance with statutory obligations, to maximize the life of equipment, and to reduce the risk of failure. The work is planned, often using a computer-aided facility management (CAFM) system.