Netherlands-based Triple Solar has unveiled a residential PVT heat pump system that uses waste heat from PV modules as the heat source. Triple Solar’s Heat Pump 5.0 does not require an outdoor unit.
VIPs cut the ribbon at Portal Space Systems’ HQ in Bothell, Wash. From left: U.S. Rep. Suzan DelBene; Portal co-founders Prashaanth Ravindran, Jeff Thornburg and Ian Vorbach; and Bothell Mayor Mason ...
An international research group led by Germany’s Karlsruhe Institute of Technology conducted energy, economic, and environmental assessments of 54 photovoltaic-thermal (PVT) indirect-expansion (IDX) ...
Dear Jim: We have a large family and use much hot water. I cannot afford to have a solar water heating system installed, but I would like to make some type of solar water heater myself. What do you ...
Every homeowner knows the exact moment of surrender. That first frigid night when you finally turn up the thermostat, accepting the inevitable consequence: a shocking utility bill arriving 30 days ...
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Turn the Heat Off and Use a Space Heater on Cool Spring Nights. Here's What You'll Save
Spring may be here but that doesn't free us from chilly nights, and some that are downright cold. If the temperature whiplash has your thermostat in yoyo mode, you're likely wasting serious money and ...
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