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Bob and Tim are at a new customer’s job site. It’s an older, free-standing restaurant, and the complaint is that the ductwork is dripping water into the customers’ food.

As architects and engineers draw up plans for commercial buildings, it is a common practice to design openings in walls. In many cases, these openings allow for intake and/or exhaust air that supports the building’s HVAC system and are fire-resistive rated.

Over the past several years, we have seen nationwide efforts, often precipitated by unions, to increase the minimum wage at the local level to $15 as a means of addressing economic inequality. The movement, called the "Fight for $15," has seen some success in several states as well as in numerous cities.

The equipment in this month’s troubleshooting situation has been around a while. Installed in 1999, the unit is a Nordyne brand, Model #S3BA-60K, and the customer requesting service explained to the dispatcher that they have had to replace fuses in the disconnect several times.

Regulations, market drivers, and trends reflect that carbon dioxide (CO₂) is increasingly being used as a refrigerant in a variety of applications. This includes applications such as: supermarkets/grocery stores, cold rooms, walk-in freezers, industrial cold storage, and food manufacturing/processing.

If it seems like the internet is changing every six months and throwing your online marketing efforts into flux, you’re not imagining things. Between rapid changes in homeowner behavior, the proliferation of new mobile devices, and Google’s always changing algorithms, it’s difficult for HVACR marketing teams to keep up.

Bob and Tim were on a service call at a new customer’s house. The complaint was that the humidity in the house seemed to be high because mold was growing — shoes in closets and wooden object were the worst. The summer weather was very hot, and there was also high humidity.