HVAC and plumbing design engineers have a tough job. They’re tasked with creating comfortable building spaces while optimizing energy usage and maximizing space. Naturally, they need to do ALL of this while minimizing the budget and ensuring that the HVAC system will last until all the people who remember the project have retired. (Granted, the latter half of that statement was a joke…sort of.) While we always recommend working with our sales engineers for the best system selection for your application, we understand that engineers may want to do some quick calculations prior to enlisting a manufacturer’s rep.
If you shudder when you think about ice building up on the roof and gutter of a commercial building, you are not alone. Here in the Carolinas, ice can be a tricky foe in the winter months.
We are huge advocates of utilizing VFDs to control AC motors in most instances. It isn't often that we need to run a pump motor at full speed, so we can reduce our energy consumption (lower costs) while being a little kinder to our motors by installing VFDs in our systems. Rarely in life do we encounter anything that is flawless, however, and VFDs are no exception. They do lower our operating costs and can increase system performance, but they also create shaft voltage.
Our manufacturing partners are smart. That is, after all, one of the many reasons why we partner with them! Griswold Controls has compiled a huge list of very readable application tips that we think you might enjoy reading. Granted, they may not be as enjoyable as the latest book club selection, but these tips could be applicable to a current project or two of yours.
System design is a critical element of system efficiency. The hydronic heating system must be designed correctly to take full advantage of a high efficiency high turndown boiler. It makes sense that a high efficiency boiler will never perform at a high level in a system designed for an atmospheric boiler. The physics is just against performance.
I'm not saying you can get PDH credits for no effort, but there are some pretty easy (and often free) ways for professional engineers to earn PDH credits. These won't soak up too much of your time and, perhaps most important, you may learn something.
We all know it's important to take some time to keep current on the latest tools, trends and equipment in the industry. Here are two webinars coming up that may be of interest to design engineers: