Hvac Duct Weight Calculator Free

Calculate the amount of calories you need to reduce from your.

Hvac duct weight calculator free.

This hvac load calculator quickly estimates the size of your heating and cooling system in btu s. Acca manuals rs j s d t b air conditioning contractors of america washington dc. Hvac duct size calculator excel free ductulator. This hvac calculator is the closest estimate to the actual manual j calculation done by hvac pros.

Hvac chilled water system pipe sizing excel calculator for free chilled water air conditioning systems are commonly used in applications that need large cooling capacity such as hypermarket indus. This excel sheet is for hvac duct measurement like duct weight duct area and all calculation related to ductwork like hanger supports and duct insulation. Ashrae rp 1485 thermodynamic properties of real moist air dry air steam water and ice the american society of heating refrigerating and air conditioning engineers. Ashrae handbook 2009 fundamentals chapter 32 duct design formulas 19 20 22 23 through 28 and table 1.

Hvac duct quantity weight and area calculator. When the quantity take off is completed take 10 extra of duct this will resolve the quantity assumption. And if you use autodesk building systems to create hvac drawings duct calculator can be used to automatically analyze and size your duct systems. To calculate the rectangular duct area we need height width and length.

An easy to use hvac tool for calculating necessary thermal output capacity in btus this tool is based on the square foot method with computations added for the most important values included such as insulation windows and other contributing factors. I work for a cost consultant and recently came upon a rather interesting and indeed tricky situation. A round duct with a cross sectional area of 0 6m2 has a perimeter of 2 75m a rectangular duct with an equal cross sectional area has a perimeter of 3 87m the rectangular duct therefore requires more metal for its construction this adds more weight and costs to the design. The spreadsheet is for duct sheet metal quantity estimation.

As an example for a 7 feet long galvanized duct of size 74 x54 i came up with a weight of 247 lbs. Weight loss calculator is a free weight loss calculator. I usually find that my estimate on the total duct weight is more conservative than the contractor s but in this instance it was the other way round.