HVAC: Heating, Ventilation & Air-Conditioning

Most Recent

• How To: Cleaning Coils in an Air Conditioner
  Learn how to clean your air conditioner coils and increase the service life of your air conditioner.
• 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 may just change your mind. The drawbacks of Freon and ammonia air conditioner units are also included.
• What is a Psychrometric Chart? Overview of Components
  A Psychrometric Chart is an important tool for HVAC engineers to carry out heat load or cooling load calculations and find solutions to various air condition related problems. Read an overview of the components included in a psychrometric chart.
• What is the Best Indoor Humidity Range for People, Books, and Electronics?
  This article provides an engineering perspective on the best range of humidity for people, books, and electronics. Also discussed is how humidity is measured and the best ways to control indoor humidity.
• 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 evident than in the field of environmental control for our inhabited interior spaces.
• HVAC Design Principles and Major System Components
  Whether you're upgrading an existing system or building a new one, good knowledge of the principles of heating and air conditioning, and typical designs, will allow you to make wise decisions when the time comes. These principles, along with descriptions of typical components, are referenced here.
• Air Conditioning from the Engineering Perspective: A Guide
  Air conditioners are not just about the on/off button and remote control. For an engineer, they mean a lot more: they are machines that must be understood to achieve efficient performance.
• Heat Exchanger Designs
  Calculations for heat exchanger designs use heat transfer parameters such as convection heat transfer coefficients, overall heat transfer coefficients, and log mean temperature differences. These calculations are needed for shell and tube and double pipe heat exchangers, as well as other types.
• An Elementary Introduction to Heat Capacity
  Why do you burn your tongue on the filling and not the crust when you bite into your favorite hot pie? The mystery is solved by examining heat capacity.