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Latest Articles

Guest Blogs

DOE Light Bulb Delays Waste $300 Million a Month

The Energy Department moves toward a phaseout of inefficient light bulbs originally scheduled for 2020

Q&A Spotlight

Why Is It So Hot Upstairs?

It's a common question and insulation, air-sealing, and mechanicals are all potential cultprits when a home's second floor is uncomfortably hot

Musings of an Energy Nerd

A Visit to a Water-Powered Sawmill

This New Hampshire mill is powered by a brook

Building Science

6 Ways to Improve Ducts in an Unconditioned Attic

If you can't get ducts out of an unconditioned attic, you can make the efficiency liability smaller

Building Science

Getting the Most Out of Your Solar Panels

Solar panels are limited in terms of how much sunlight they can convert to electricity. How do we optimize solar efficiency to meet growing energy demands?

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