February 8, 2024
In the summer of 2021, a major utilities construction project had gouged the normally pristine lawns of the Wheaton College campus. “We wouldn’t have looked out of place in a World War I battlefield,” according to the college’s director of facilities, Jay Bieszke. Despite their appearance, the trenches had been dug to achieve a decidedly…
December 1, 2023
Many words and phrases could be used to describe Chicago’s Old Post Office: bygone communications hub, historical gem, 1920s architectural marvel, and, until a few years ago, drafty. Despite its designation as a Chicago City Landmark, the Old Post Office spent the years between 1996 and 2016 vacant and exposed to the city’s harsh elements….
June 27, 2023
Earn 8 PDH hours toward continuing education requirements The HVAC industry is in a constant state of evolution – it can be challenging to keep pace with the changes. To help engineers stay abreast of new developments, Maddock Industries is partnering with the Mestek Boiler Group, parent company of RBI, to host a free, one-day…
June 16, 2023
Many familiar with vertical inline (VIL) pumps—such as the Armstrong 4300 Series pumps—and their numerous benefits wonder why base-mounted pumps are still being specified and installed considering their antiquity and being more costly to install. Side-by-Side Comparison If you’re still not sold on inline vs. base-mounted pumps, here is a comparison: Vertical Inline Pumps Base-Mounted…
June 14, 2023
Armstrong has released three new Design Envelope Permanent Magnet (DEPM) vertical inline (VIL) pumps with intelligent variable speed (IVS) control and horsepower capacity up to 50. The new Armstrong DEPM IVS pumps are ultra-lightweight, compact and reduce pumping energy consumption by 35-65% compared to conventional integrated pumps and pumps with standalone drives. These DEPM IVS…
June 12, 2023
Rising energy costs and sustainability governance are driving the development of new technologies to improve the performance of buildings. Armstrong has answered the challenge with unparalleled pumping efficiency and performance by combining Design Envelope (DE) vertical inline (VIL) pumps, motors and intelligent variable speed (IVS) controllers. How IVS Works In a chilled water system, a…
June 8, 2023
The variety of boilers on the market can make searching for a new one a complicated task. If efficiency tops your wish list, consider a condensing boiler. Condensing boilers are more efficient than non-condensing boilers, given the right water temperatures and building conditions. There are two primary categories of condensing boilers: firetube and watertube. Firetube…
April 7, 2023
Pressure independent control valves (PICVs) help pumps run slower and minimize the energy consumption of hydronics systems When you’re managing a large/high-rise building where the temperature variances make some areas too cold and others too hot, you know the frustration that comes from trying to keep tenants comfortable without driving your energy consumption levels through…
November 17, 2022
Not much is worse for condo owners and apartment tenants when the heat goes out in cold weather. Given today’s supply chain challenges, you don’t want to wait more than a day, let alone 12-16 weeks, for vertical stack heat pump replacement chassis and parts, which burn out every 10-15 years (sometimes sooner). Now, there’s…
October 19, 2022
There’s very little room for error when it comes to groundwater intrusion, which is why we stock Link-Seal® products for pipe-to-wall penetration sealing you can rely on. American-Made Durability for Leak-Proofing You Don’t Have to Think About Link-Seal is an American-made modular, elastomer sealing system that creates a permanent, hydrostatic seal for nearly any cylindrical…
