Trending HVAC Controls Discussions

Why would the pressure in a chilled water closed loop line decrease with out any leakage?‎

why pressure decrease with out any leakage in closed loop line system‎

How to calculate the areas of Elbow of a rectangular duct in HVAC?‎

Can we install fire dampers in hvac supply and return ductwork passing through shaft to different floors?‎

 The application is a food processing unit with no fire rated walls.  Any link to support the argument. Please advise‎

Preventing the chilled water pipes after the pressure test.?‎

after the water pressure test for chilled water pipes the system will not be used for a while, is there any possibility for the pipes to get rusted? what is the best solu‎ ... See More

What is the best fan that can be used in basement ventilation?‎

How to calculate the working pressure of the chilled water system?‎

here... I need to make a selection of Pressurization unit for the CHW system. Is the pump maximum pressure is the working pressure of the system. Or do I need to calcul‎ ... See More

What means CFM and Why float valve install in chiller Which is the best type air cool are Water cool for HVAC System how to control humidity?‎

What is significance of flushing velocity during flushing of pipes?‎

Can a Chilled Water pump be sized (Flow & Head) on the Cumulative Water flowrates of HIgh Speed Coil (FCU & FAHU) Performance?‎

Can a Chilled Water pump be sized (Flow & Head) on the Cumulative Water flowrates of HIgh Speed Coil (FCU & FAHU) Performance?    If it is designed for medium s‎ ... See More

What are the maximum colony count for air sampling of a conventional & ultra clean operation theater? What are recommended guidelines to follow?‎