NASA NTRS · 19790007231
Passive thermosyphon solar heating and cooling module with supplementary heating
Abstract
A collection of three quarterly reports from Sigma Research, Inc., covering progress and status from January through September 1977 are presented. Three heat exchangers are developed for use in a solar heating and cooling system for installation into single-family dwellings. Each exchanger consists of one heating and cooling module and one submerged electric water heating element.
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1977-10-01. Passive thermosyphon solar heating and cooling module with supplementary heating. https://ntrs.nasa.gov/citations/19790007231
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