floor warming | PM Engineer

Looking into the future: Commercial HVAC trends

Expect questions about natural refrigerant benefits, standards and best practices.

January 28, 2020

In the last few years, the commercial refrigeration space has seen a significant shift toward natural hydrocarbon (HC) refrigerants thanks to new and proposed regulations.

Product Focus

Hot water recirc pump from Grundfos

January 14, 2019

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Grundfos’ ALPHA 15-55 HWR-D is a wireless on-demand hot water recirculation pump with a permanent magnet motor.

Installation guidelines for wet underfloor heating

This radiant form of heating draws cold air across the floor, heats it, then moves it up toward the ceiling.

Robert Tuffin

July 31, 2018

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These general guidelines will help ensure a proper radiant installation.

Comfort vs. efficiency

One critical area that the building and energy codes do not address directly is the comfort condition of the occupants.

Mark Eatherton

July 30, 2018

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If you design and build around comfort, energy efficiency will follow.

Radiant cooling helps optimize year-round comfort

While radiant heating is a coveted upgrade in efficiency and comfort for new home design, residential radiant cooling is nearly unheard of.

July 20, 2015

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Radiant heating isn’t just for heating.

Thermal batteries for renewable energy systems

Living in the experiment.

July 20, 2015

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When our master bathroom was featured on the cover of a 1999 issue of Radiant Living magazine, the article revealed many improvements the house had received over its life.