Around since the late 1880s, ceiling fans have become a staple in U.S households. It was one way to make rooms more comfortable. They lost a bit of popularity in the 50s as airconditioning came to our homes. However, in the 1970s during the energy crisis, they made a comeback. To this day, they still remain in demand and a common household fixture. Yet, with technology today, what are the benefits of ceiling fans? Do we actually need them? Read on to find out.
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As a commercial building owner, replacing your air conditioning system is likely not on the top of your to-do list. But, there are plenty of telltale signs that indicate when it’s time to do so. Plus, putting off the purchase of a new unit could prove to be more costly in the long run. Here’s a look at the top four reasons to replace your AC.
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When choosing which HVAC system to install, it can be difficult to navigate your options. There are too many systems on the market to count. However, understanding the four major types of commercial air conditioning units may help you make an informed decision. We break down each of them below.
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Owners of R-22 cooling systems in the United States will soon have to make some changes. On January 1, 2020, the production and import of R-22 refrigerant will become illegal. This is going into effect to further protect the environment and the ozone layer. But, what does this mean for your HVAC system? And what will your options be? Here’s an overview of what you should know.
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Chillers do exactly what the name says – cool things down. In fact, chillers are necessary across a wide range of applications. But, how does a chiller work? In short, they prevent overheating and keep products cool to avoid harm to your machinery and bottom line. Here, we’ve broken down the elements of chillers and how they work.
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Trying to decide which air zone HVAC system is right for you? There are two types to consider: VAV (variable air volume) and VVT (variable volume and temperature) HVAC systems. Overall, both systems help you cut back on utility costs compared to CAV (constant air volume) systems of years past. However, there are a few key differences that could sway your decision. To help you get a better idea, we’ve compared VAV vs VVT systems.
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Cooling capacity is measured in BTUs (British Thermal Units) just like it is for grills and ovens. The number of BTUs lets you know how much heat the unit can manage. It takes a lot of planning and calculation to figure out the correct size for buildings, especially large multi-stories. So, let’s dive into some things you need to know about properly sizing a commercial air conditioner.
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In most cases, commercial HVAC systems simply provide comfort. However, healthcare facilities demand much more out of their HVAC. In fact, modern hospitals can’t function without a working HVAC system. Why? Because they help keep doctors and patients healthy and safe. Therefore, it’s very important to have a team of HVAC professionals who understand the unique needs of a hospital. And, this is not something every commercial HVAC contractor is familiar with.
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If you’re in the market for a new commercial HVAC unit, you’ve likely come across dozens of HVAC acronyms. Just like any other line of work, the HVAC industry uses hundreds of acronyms. And, sometimes this can make shopping for a new unit confusing. But, have no fear – we’re here to help by decoding 10 common HVAC acronyms.
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At The Severn Group, we see a lot of commercial HVAC problems. Businesses all throughout Maryland and the Washington metro areas call on us to maintain and service their systems. As such, our team has seen it all, from the minor problems to the major ones. Here are some of the most common issues that facility and operations managers may run into.
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