Domestic hot water (DHW) design is critical to optimize energy efficiency, while reducing water waste.  Guest host Christoph Lohr, P.E. will detail the policies, standards, and credentials that can help designers and installers navigate the waters. He will discuss these ten critical issues related to DHW design: → Definition: Recirculating vs. Circulating → Automatic Balancing Valves vs Read more

Can a hydronic system effectively – and efficiently – provide heating, cooling, domestic hot water AND heat recovery ventilation in a residential home?  John Siegenthaler, P.E., a favorite to the webinar series, will discuss design details, challenges and lessons learned from a from a recent project profile of a modern hybrid approach utilizing an air-to-water heat Read more

Caleffi North America, Inc., a leader in state-of-the-art engineered solutions for hydronic and plumbing systems, is pleased to announce an advanced technology named Posi-Stop™ that incorporates an embedded O-ring into a product’s union connection. This advanced design results in a consistent and superior seal over the broad range of conditions encountered in plumbing and hydronic Read more

A Carlson-Holohan Industry Award of Excellence honoree, Bob “Hot Rod” Rohr travels across the country as a trainer for Caleffi North America, sharing his 40+ years’ of experience as a plumbing, radiant heat and renewable energy contractor, all while bringing his rubber-to-the-road experiences to life. Be honest, do what you say you will do.  It’s that simple Read more

Mechanical Hub continues with its 2023 Industry Forecast series with an exclusive interview with Caleffi North America’s president Mark Olson. Despite all of the negativity, Caleffi remains optimistic throughout all of the bumps in the road.   MH: I’ve heard that the first half of 2023 might be a bit bumpy, how do you see Read more