The heating and cooling  arrangement   for offices  are done  by   boilers or airconditioning  .Air
washers are also used in some geographies .These utilities  consume  energy  ,hence it is
important to  save  energy  by utilising devices and  switching off these machines when not in
use.

Others methods are  listed below

belts and steam traps, and rebuild or replace them as necessary. Filters should be dampers
adjusted to ensure a tight seal, and linkages, boiler heat transfer surfaces and dampers
adjusted to ensure a tight seal, and linkages, boiler heat transfer surfaces and surfaces and
coils should be cleaned. Other low-cost improvements to improve your should be cleaned.
Other low-cost improvements to improve your HVAC unit's efficiency include:
unit's efficiency include:




  • Install tight-sealing, insulated dampers. The outside air and the exhaust dampers should
    have edge and jamb seals. The damper between the return air duct and the outside air
    duct should be tightly sealed.

  • Insulate duct system. Supply ductwork and ductwork that is exposed to outside air —
    including the mixed air duct, exhaust duct and outside air duct — should be insulated.
Seal duct joints. Duct joints should be sealed with mastic.

  • Balance air-handling systems. Air-handling systems should be balanced so that each
    zone receives the design air flow. The returns registers should also pull as much as air
    back as is supplied.


  • Control ventilation to match occupancy of facility/building. Heating and cooling of outside
    air prior to its delivery to occupied spaces should be controlled to match the occupied
    hours of the building.
  • Control heating to match occupancy of facility/building. During unoccupied periods, the
    heating temperature can be reduced by 10°F to 15°F.  


  • Adopt an "optimal start" strategy. Many systems are controlled by a time clock or an
    energy management system to begin regular operation. An optimal start strategy utilizes
    a database and outside temperature measurements to determine when the system
    should resume heating or cooling.
  • Control the air-handling unit to match occupancy of facility/building. Program the air-
    handling unit to cycle off during unoccupied periods.


how  air conditioning system  works






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Energy  Savings  In  HVAC
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