Answers By Paul Rosen

I am looking at either a PV system or solar hot water. Which has the biggest ROI?

— Terry Luttrell Harsens Island, MI

Paul Rosen

Answered by Paul Rosen

Fort Myers Beach, FL

NorthBay Energy Services, Inc.

March 21, 2012

I am looking at either a PV system or solar hot water. Which has the biggest ROI?

— Terry Luttrell Harsens Island, MI

Answered by Paul Rosen on March 21, 2012

Can you tell me how well solar hot-water heaters work?

— Betsy Humes, Brooklyn, NY

Answered by Paul Rosen on July 17, 2008

I am interested in solar PV. What do you recommend for an old house?

— Exton Quinn, Santa Monica, CA

Answered by Paul Rosen on July 17, 2008