Now the “no added labor cost” is a valid assumption if you have a fully automated IG line like the ones sold by Lisec, Forel and Erdman. A second example using the Gas Filling Cost Calculator Loaded with Krypton Data shows that a typical triple pane double hung window of the same size, but filling ¼-inch cavities, would cost about $8.92 per window. This particular example shows that for a double-hung window with two 24 by 36 inch IGUs featuring half-inch air-gaps in dual pane units, it will cost the manufacturer approximately 51 cents in argon to fill the unit assuming 20% wastage. Now this calculator will then tell you what it is costing you to put the gas into the window assuming no added labor costs. Once it is evaluated for content, then a corresponding credit is issued. Due to the fact that the costs for krypton are so much higher, many suppliers offer a recovery unit that collects any krypton that might otherwise be wasted and deposits it into a recovery tank, which is then sent back to the gas supplier. Twenty percent is a safe assumption for argon. If you feel you are wasting 20%, then the waste factor is 1.20. Also, enter what the waste factor might be. One just needs to know what they are paying for the gas in dollar-per-liter, whether it be argon, krypton, or a blend, as well as the size of the insulating unit (IGU) and airgap, the number of cavities and number of IGUs per window. In fact, I have been asked this question so many times that I went ahead and constructed a simple Gas Filling Cost Calculator for my customers to determine what it is costing them to add gas to a window of given dimensions and airspace size. It occurred to me how many customers who offer gas filling do not even know how much it adds to the cost of their windows or what they should be charging customers for the gas. He wanted to make sure that he was charging enough. Recently a customer of mine asked me if I knew how much it cost to add gas to his windows.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |