The Hot-Line Solar Collector

Iowa entrepreneur invents a fixed-position, concentrating solar collector. Learn how it works and how to build your own. Including photos, diagrams and detailed instructions.



039-100-01-modules
Hot-Line modules furnish most of the heat used by this Iowa firm.
PHOTOS: MOTHER EARTH NEWS STAFF
039-108-01-fig2
Fig. 2 Diagram of the change in reflection direction as related to the sun elevation in degrees.
MOTHER EARTH NEWS STAFF
039-108-01-close-up
Close-up of modules mounted vertically on south wall of a house.
MOTHER EARTH NEWS STAFF
039-108-01-fig1
Fig.1 Diagram of solar reflector construction.
MOTHER EARTH NEWS STAFF

















Subscribe Today - Pay Now & Save 66% Off the Cover Price

Lighten the Strain on the Earth and Your Budget

Mother Earth NewsAt MOTHER EARTH NEWS, we are dedicated to conserving our planet's natural resources while helping you conserve your financial resources. That's why we want you to save money and trees by subscribing through our earth-friendly automatic renewal savings plan. By paying with a credit card, you save an additional $5 and get 6 issues of MOTHER EARTH NEWS for only $12.00 (USA only).

You may also use the Bill Me option and pay $17.00 for 6 issues.

(* indicates a required item)
Canadian subs: 1 year, (includes postage & GST). Foreign subs: 1 year, . U.S. funds.
Canadian Subscribers - Click Here
Non US and Canadian Subscribers - Click Here