Everyone involved with IAQ knows about the 1970s, when excess energy use became Public Enemy No. 1 for commercial building designers. Saving energy was the critical goal: Air leaks were being hunted like wild animals, and windows and doors were sealed so tightly that not a breath of conditioned air could seep out.
A mechanical systems renovation increased guest satisfaction and lowered costs at the AC Marriott
March 18, 2019
From rebates to controls to acoustics and more, water-source VRF has been a game changer for the AC Marriott Dublin. For the general manager, it’s made all the difference in surpassing guests’ expectations.
In HVAC, we rarely need to have a deep understanding of electrical design. But there are a few cases where a little understanding can go a long way in identifying issues before they cause trouble, and that is the intent of this short article.
In this troubleshooting situation, the equipment is an air source heat pump and the customer’s complaint is that even though the thermostat is set at 70° F, the temperature in the conditioned space remains near 65°.
Many employers still recall opening a letter from the Social Security Administration (SSA) informing them that the name or Social Security number (SSN) reported on a recent wage report does not match a name or SSN in the SSA’s records.
My favorite customer is not the new customer, as strange as that may sound, but I can’t have my favorite customer without first getting a new customer. So, let’s say I have a new customer, they called for service, and our technician did a jam-up job and really impressed them. They were also impressed with our company, and even signed up for a service agreement or maintenance plan. That’s the goal, right? Attract them, book them, impress them, sign them, and keep them. But wait, there’s more.
First zero-emissions eco-hotel in Milan enhances its services with high-quality indoor air
February 18, 2019
Hotel Milano Scala has recently installed a new Mitsubishi Electric filtration system. Fresh air entering the interior spaces is treated in four air handling units — three rated at 5,000 m3/h plus one at 10,000 m3/h for a total air treatment capacity of 25,000 m3/h — composed of a class G4 pre-filter and a class F9 final filter (the same ones used in hospitals to prevent contamination).