The advent of new products and innovation in the HVAC industry unfailingly starts with the AHR Expo in January. This past week in Atlanta, GA, was no exception. Attendees may have had sore feet, but their enthusiasm didn’t seem to waver on the showroom floor as they engaged manufacturers to show off their latest products.
Air curtains can save building owners a lot in both energy and infrastructure costs in retail, industrial and commercial refrigeration applications. But designing air curtains for maximum savings can be a challenge if you don't do it every day.
We're so thrilled to be a part of a thriving commercial building industry in NC and SC. 2018 has brought many challenges and we've worked hard with engineers, building owners, and contractors to bring new (and old) HVAC and engineered plumbing projects to life. A coming new year always inspires reflection and goal-setting. In that spirit, we're sharing the top 10 blog posts of all time while we take some time offline to review topics that may be of new interest in 2019.
By now, we all know the advantages of using infrared heating for those special areas in designs with large open areas like warehouses, distribution centers, and maintenance facilities. Areas with multiple open doors and large open spaces are especially good candidates for infrared (IR) heating.
The top benefits of IR heating are:
- Like the sun, infrared heats objects via energy waves
- IR is not dependent on heating the air to provide comfort
- It is one of the simplest and most effective forms of heating
It's time for another valuable webinar by Schwank on infrared heating and air curtain design. This time, the folks at Schwank are focusing specifically on auto garages and fire stations, which come with their own unique set of challenges.
Conventional commuter trains are generally limited to a top speed of 60 miles per hour. The train speed is limited by the track condition, curvature, and elevation changes. It takes a lot of energy to move that big, heavy equipment up and down the track. Additionally, the train must overcome rolling resistance between the train wheels and the track to get to higher speeds.
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.
Pumps are serious business in the world of commercial building. Engineers spend vast numbers of hours reviewing usage requirements so that the correct pumps are specified, purchased and installed for building and system needs. However, you may hear months, or even years, later that the building owner is experiencing problems with that same pump you painstakingly selected.
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.
Halloween is here, the scariest night of the year! We all know that HVAC and plumbing engineers are brave, strong, and essentially fearless. After all, they design systems out of thin air, easily troubleshoot annoying problems that haunt other mortals, and relentlessly stick to their guns when specifications are called into question. Engineers are basically the John Wayne of the professional world. They just don't scare easily.