Green Energy Efficiency Questions

Can I use my tankless water heater to supply my heat pump?

— John Gallagher San Francisco, CA

Answered by Tracy Black, PE, LEED AP on July 2, 2010

Is fiberglass insulation or blown insulation the best?

— Susan Franklin, TN

Answered by Randy Potter on July 1, 2010

Is three inches of batt insulation enough for my attic?

— Martin Bennett Bowie, MD

Answered by Steve Saunders on July 1, 2010

 

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