The second power solution ( HVAC)

The second power solution ( HVAC)

Introduction

Air conditioning is mainly to Control of temperature, moisture, cleanliness, air quality, and air circulation in space as required by occupants, process, or product. More generally, air conditioning can refer to any form of technological cooling, heating, ventilation, or disinfection that modifies the condition of air. The basic concept behind air conditioning is known to have been applied in ancient Egypt where reeds hung in windows had water trickling down. The starting point in carrying out an estimate both for cooling and heating depends on the exterior climate and interior specified conditions. However before taking up the heat load calculation, it is necessary to find fresh air requirements for each area in detail, as pressurization is an important consideration.

How to select HVAC systems ?



The most factors to be studied when selecting HVAC systems

The capacity required

Spatial requirements

Operating costs (energy, maintenance, labor, spare parts)

Reliability

Flexibility

maintainability

Air conditioning systems applications:

Residences

Public buildings (mosques, auditoriums, gymnasiums, swimming pool)

Office buildings

Educational facilities (Schools and universities)

Health care facilities (Hospitals)

Hotels

Stores and shopping centers

Manufacturing facilities

Ships

Trains

Airplanes

Submarines

Restaurants

Environmental control for survival (underground shelters)

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