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HVAC Excel Calculations
Psychrometry, Ductwork Design, Load Calculations, Industrial Ventilation, Pressurization and Smoke Control, Heat Transfer
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Chilled Water & Hot Water, Compressed Air, Steam, Condensate Return, Natural Gas, Pipe Supports
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Sanitary, Storm, Domestic, Purified Water, Pools, Fountains, Fixture Units, Storage
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Tree Arrangement, Grid Arrangement, Standpipes, Storage
Recent News
Reducing COVID-19 Exposure Risk from aerosol generating patient medical procedures
The generation of aerosol particles from patient procedures posses great risk for exposure to COVID-19 to dentistry workers and employers (1). Other commonly performed medical procedures that generate aerosols or that create uncontrolled respiratory secretions, include (4): open suctioning of airways sputum induction cardiopulmonary resuscitation endotracheal intubation and extubation non-invasive ventilation (e.g., BiPAP, CPAP) bronchoscopy
Read MoreNew Engineering Articles
Hello everyone! It’s been a while but we’re back. Starting with the addition of some engineering articles that will be helpful for those of you that like to do their own excel sheets. The articles date back to when I started engineering and I experimented combining them with computer programming. You can find the section
Read MoreCalculating Hunter’s Curve using Excel
Have you ever wondered how to convert from fixture units to flowrate? A curve fit on the code tables will not work satisfactorily! I have tried that myself. Here is the method as it was developed by Roy B. Hunter back in 1940. But don’t let this year set you back because even today’s code use
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