What is HVAC(Heating Ventilation And Air Conditioning)

Whenever you visit any malls, airport, etc. suddenly you will feel very comfortable following temperature condition in that environment. Did you notice it? If yes, then you might have come across the term HVAC, if Not then you are in right place to dig out your answers. so what is HVAC(heating ventilation and air conditioning)?HVAC is a tool which implements the process of heating, ventilation and air conditioning which we will understand in details.

If you don`t know What is HVAC(Heating Ventilation And Air Conditioning) so stay tuned till the end.

 well, this blog may solve your queries related to HVAC and will give a brief explanation of what Exactly is HVAC (Heating ventilation and Air Condition)?

There are many questions which arise in the minds related HVAC (Heating ventilation and Air Condition), so here it is.

Introduction of HVAC

Introduction of HVAC (Heating ventilation and Air Condition) is directly linked with human body condition. The human body is the body which can withstand different temperature depending upon time consumed in a particular temperature zone. 

Well, when a human performs different activity depending on it, human body temperature changes. Like if a human is playing than the body release more heat along with sweat, similarly if human reads sitting comfortably, he has a normal temperature. Hence you can see human tends to emit different temperature depending on the activity he performs. But What exactly HVAC (Heating ventilation and Air Condition) does?? What is HVAC(Heating Ventilation And Air Conditioning)

HVAC Human Comfort Condition Temperature

Well HVAC (Heating ventilation and Air Condition) helps to provide Comfort Conditions suitable for human. HAVE YOU EVER THOUGHT HOW  HVAC (Heating ventilation and Air Condition) MANAGE TO MAINTAIN COMFORTABLE TEMPERATURE?😕

If NO, then this is the right platform to dig out your curiosity.

 wait! wait! ✋✊✋do you know what is HVAC (Heating ventilation and Air Condition) Human comfortable temperature?

Okay, let’s understand it properly.

 It is a temperature in which the human body feels comfortable 😇to carry out their daily schedules.

HVAC ASHRAE DETAILS

HVAC ASHRAE

• Winter std temp:72°f
• Summer std temp:76°f

HVAC(Heating Ventilation And Air Conditioning) ASHRAE: AMERICAN SOCIETY OF HEATING REFRIGERATION AND AIR CONDITIONING ENGG.

HVAC(Heating ventilation and Air Condition)  ASHRAE: AMERICAN SOCIETY OF HEATING REFRIGERATION AND AIR CONDITIONING ENGG.

ASHRAE is a society which works for the betterment of HVAC (Heating ventilation and Air Condition) Human comfortable temperature, having a group of people with high experience.

 Hope! you got what is comfort temperature.

 Let’s jump on how to develop and maintain a comfortable temperature!

 For that, we need to understand the behaviour of atmospheric air.

We live in an environment where the air is the mixture of dry air and water vapour which is called as moist air.

 To maintain the temperature suitable for us one must understand the trade of moist air behaviour.

Have you ever come across sweating in hot summer and sweat less in winter?

So, let us discover it today before understanding HVAC (Heating ventilation and Air Condition)!

 As I said air is a mixture of:

   ·Dry Air 

   ·Water vapour  

In winter the amount of water vapour present in the environment is low than that of the dry air. So, it absorbs the sweatiness rapidly while in summer it is exactly opposite to winter, that the amount of water vapour present is high (generally due to hot sun closer to earth) than that of dry air. so in summer it gives heat but avoids absorbing the sweat than is why we sweat a lot than that of winter.

 I hope we are clear about this.

So after studying this we can use our tools to generate and maintain HVAC comfortable temperature.

 And the tools to do it is HVAC (Heating ventilation and Air Condition).

What HVAC(Heating Ventilation And Air Conditioning)Mean?

YES, what HVAC(Heating ventilation and Air Condition) mean, well you heard right!

HVAC is the abbreviation/Full form of HVAC for: 

• HEATING
• VENTILATION
• AIR CONDITIONING

WHAT HVAC (Heating ventilation and Air Condition) Mean?

This is a process through which we can maintain a comfortable temperature.

So let us explore this HVAC 👈 process for better understanding!

·  HEATING is the process of adding heat, if the temp is less than the std temp, by using an electrical resistance heater.

· VENTILATION is a process in which fresh air is been provided in space to maintain a sufficient amount of oxygen and foul gases are been exhausted out through fans

· AIR CONDITIONING is the process in which air is been conditioned according to human comfort with thermal gadgets.

So, the ultimate goal is to maintain a standard temperature in which human being feels comfortable using this tool of HVAC (Heating ventilation and Air Condition) in the form of equipment.

This is all through which we can controls HVAC (Heating ventilation and Air Condition) requirement

HVAC (Heating ventilation and Air Condition) comfort factor

•    Standard temperature
•    Air Motion cleanliness
•     Movement of air
•    Humidity

With this process, it not only generates HVAC COMFORTABLE TEMPERATURE but also generates revenue to a country

 Yes! 👍you heard right my friends

Confused 😕?

 Let’s flush off your confusion. The revenue of the country is mostly dependent on working people in offices and business houses which work effectively and efficiently due which generates revenue.

 Ever thought how they can work effectively and efficiently? Did somethings strike in your minds HVAC (Heating ventilation and Air Condition)!

 Okay let me give you an example, consider you are a student preparing for your exams in a room without comfortable temperature will you be able to focus on studies more effectively and efficiently

 Well, I hope you got your answer!

 Now comes the question of who is responsible to maintain HVAC(Heating ventilation and Air Condition)comfort temperature?

 Well, the answer is HVAC(Heating ventilation and Air Condition) ENGINEER.

HVAC(Heating Ventilation And Air Conditioning) ENGINEER

HVAC(Heating ventilation and Air Condition) ENGINEER

HVAC(Heating ventilation and Air Condition) engineers calculate, design and execute the programs of maintaining the comfortable temperature by using various equipment which helps in fulfilling the demands of heating, ventilating and air conditioning according to location, space, environment and orientation.

 To be more clear he visits the place to conditioned, according to human comfort, collects data of space, location, the orientation of the sun and calculate the amount of comfort air required using engineering tools and select equipment to execute the plan to get it done. This is some important overall about HVAC (Heating ventilation and Air Condition) engineers Job.

HVAC(Heating Ventilation And Air Conditioning) System

As we are clear that to make human comfortable, we need to follow some guidelines allotted by the standard societies. Which is Winter std temp:72°f, Summer std temp:76°f and relative humidity 50%? well to attend and maintain this condition we use HVAC (Heating ventilation and Air Condition) SYSTEM. 

HVAC System is the equipment which brings the above conditions into existence. It achieves this by controlling the temperature of a room through heating and cooling. It also controls the humidity level in that environment by controlling the movement and distribution of air inside the room. The system also ensures the cleanliness of air inside.

Types of HVAC (Heating ventilation and Air Condition) Systems Available

The three main types of HVAC systems available today are:

1. Split and Window AC
2. Packaged Heating & Air Conditioning System
3. Central AC System

HVAC APPLICATIONS

Now let’s take into consideration some application where the HVAC system are been implemented to maintain a comfortable environment in the desired space.

It is categorised into two:

HVAC(Heating Ventilation And Air Conditioning) Human Comfort

Well HVAC (Heating ventilation and Air Condition) human comforts temperature are the temperature to be maintained for humans.

1. RESIDENTIAL

2. COMMERCIAL OFFICES

3. HOTELS AND RESTAURANTS

4. SUPERMARKETS

5. MALLS

6. HOSPITALS

7. HVAC 

HVAC Processing Industry Application

Processing is the field of business or industry, where machine produces a different variety of productions in different fields like textile, paper, etc where maintaining temperature is important but there are also some other factors which must be taken care of, which is examined by HVAC design. 

 For example in medical production industry or printing industry, we need dehumidifying process( removing water vapour) to avoid ink spreading while printing and also another factor that will discuss further, to maintain smooth finishing of the system and avoid breakdown of machines hence we require HVAC to control the temperature in both sectors and maintain the smooth production and comfortness in the world.

CNC/NC MACHINES

PATHOLOGICAL LAB

OPERATION THEATRES

MRI ROOMS

CLEAN ROOMS

FOOD PROCESSING

This is some example which you will find in your day to day life all around you. This is some kick start about What is HVAC(Heating Ventilation And Air Conditioning) Hence, as discussed, this field of controlling temperature with other factors plays a vital role in the world map and world economics and is directly proportional to the growth and development of a sector directly and indirectly.
Directly by maintaining temperature controls of the instrument in the industry by avoiding the breakdown of machines and products, and indirectly by increasing the efficiency of working of humans with comfort temperature.

So thanks to HVAC engineer for designing and developing such a system.

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