Ton of Refrigeration

What is Heat & Mode of Heat Transfer?

How to detect leakage in Air conditioner

How to Charge Gas in AC

REFRIGERANT GAS AND IT’S TYPES

Central Plant Chilled Water System

Air Distribution Terminal

Selection of Air Handling Unit

Kitchen Ventilation Design

HEPA & ULPA FILTERS

Purity:-  Purity is the process of removing unwanted particles from the air by filter.

Maximum purity is achieved by 3 stage of filters.

HEPA Stand for High Efficiency Particulate Absorption Filter

By HEPA Filter

 it has to meet a minimum capture filtration efficiency of 99.97% at 0.3 microns.

HEPA Filter
HEPA Filter

# HVAC Course (HEPA FILTER)

HEPA stand for High Efficiency Particulate Absorption Air Filter. By HEPA  Filter  we can achieve 99.97%  pure air.

Generally We used fine filter. HEPA filter is costly.

Application of HEPA 0r  Three stage filter :-

1. Specialist operation theaters (Surgery)

2. Chemical Research

3. Aero space  4. Manufacturing Chips.   5. Food processing.

Where HEPA filter is used is called Clean Room

Difference Between HEPA & ULPA Filter

Difference between HEPA & ULPA Filter