Water Treatment for Chiller Units
Chiller Water Circuit The above picture is showing the chiller circuit in simplified form. All the lines are either carrying either cold water or chilled water. Both the water circuits are closed…
What is Mechanical Ventilation?
HVAC stands for Heating, Ventilation, and Air Conditioning. The objective of HVAC is to control the temperature of air inside the designated “Air Conditioned" space along with control of moisture, filtration of air…
Starting Methods for Induction Motors
Most large induction motors are started directly on line, but when very large motors are started that way, they cause a disturbance of voltage on the supply lines due to…
How Heat Works
In HVAC-R, making things cold is really all about heat. How many of us heard as kids, “Close the door! You’re letting the cold out!" In reality, hot and cold…
The 2nd Law of Themodynamics
If a system undergoes a thermodynamic process or cycle, the first law gives a quantitative estimate of the heat and work between the system and surroundings. However, it fails to…
Learn More about Heat Pumps
Nature created mankind, but with the advancement of technology, man is now trying to recreate nature. This may have its own advantages and disadvantages, but nowhere is this struggle more…
Room Air Conditioning Systems that are Easy to Construct
Are you planning to buy a conventional type of air conditioner from the market? Wait a moment: the low cost, efficient, and eco-friendly homemade air conditioner design project shown here…
The 4 Most Common HVAC Issues And How To Fix Them
An HVAC system is designed to keep the occupants of offices, tower blocks and retail properties happy and healthy across the world. However, sometimes, your unit will need a helping…
Sales Engineer Salaries
The median annual wage for sales engineers is $100,000. The median wage is the wage at which half the workers in an occupation earned more than that amount and half…
Sales Engineers
What Sales Engineers Do Sales engineers sell complex scientific and technological products or services to businesses. They must have extensive knowledge of the products' parts and functions and must understand…
