High-efficiency furnaces (aka condenser furnaces) feature a secondary heat exchanger that reduces exhaust gases to acidic water. They still need an exhaust vent, but it’s made from PVC ...

If you’re considering an upgrade to your home’s heating system, you’ve got two powerful reasons to consider buying a heat pump over a furnace — especially if you live in California.

By combining topology optimization and additive manufacturing, a team of University of Wisconsin–Madison engineers created a ...

This 3D-printed heat exchanger ditches straight pipes for a more efficient internal design powered by advanced computation.