Whether designing a residential or commercial system, there are several lessons to be learned from Siegenthaler, a.k.a. “Siggy,” including thermal considerations, piping, heat pump technologies, panel radiators, slab heating, controls and ECM circulators in order to provide the ultimate goals: Comfort, high efficiency and a happy customer.

Caleffi’s TwistFlow design allows for easy fingertip balancing. 

All HydroSketch users have immediately access to these updates.

Aquatherm molded fittings in 45s, 90s and tees are now available for its SDR 9, 11 and 17.6 product lines. 

According to a recent industry report, radiant heating sales in 2019 were led by both electric floor heating mats and heating cables.

An installer is trying to wire up a two-stage heat pump for heating and cooling operation.