The Plumber Cover

A curated hub of plumbing articles, videos, tools, and pros — organized by topic.

Plumbing Daily Brief

  1. On "Electric Heating Gains Momentum in New Homes"

    This is real market shift, but the headline hides what matters: most of those units are probably heat pumps, and a solid chunk are probably still backup resistance heat in mixed systems. The point isn't that electric is winning—it's that builders discovered heat pumps work in new construction where you can design around them and that the economics now favor them over gas installs in states with favorable utility rates. For shops still betting on gas service dominance, this is a wake-up call that the retrofit and replacement market is where your actual business lives, because new-build specs are getting locked in and you won't touch those jobs for fifteen years. Learn heat pump mechanics if you haven't already, because the service side of this transition is just starting.

  2. On "Diversified Heat Transfer Expands ST Series Semi-Instantaneous Water Heater Line with New High Output Double Wall Option"

    Another incremental product refresh dressed up as innovation, but the real move here is that double wall tanks are now standard across the line instead of a premium option—that's actually worth noting for shops doing commercial work where you're already spec'ing DHT anyway. The "same footprint, more capacity" angle matters if you're retrofitting existing equipment rooms on tight jobs, but it doesn't change the fundamental economics or application mix for most plumbers. What you should care about is whether your suppliers are pushing this because DHT's margins improved or because your customers are actually asking for higher output in constrained spaces.

  3. On "Systemair VStak Vertical Stack Fan Coils"

    Vertical stack units are a smart play for high-rise work, but you're buying into a specific market bet—Systemair is banking that builders actually want modular, space-efficient fan coils instead of traditional horizontal drops. The real question for your outfit is whether you're the shop running that kind of work or whether this sits in the specialty category you'll spec when a GC insists on it. If you're doing mid-rise multifamily or hospitality retrofit, this is worth looking at; if you're mostly service and light commercial, it stays on the radar but doesn't change your game plan.