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Energies 2013, 6(8), 3734-3743; doi:10.3390/en6083734
Review

A Literature Review on Heating of Ventilation Air with Large Diameter Earth Tubes in Cold Climates

 and *
Received: 4 June 2013; in revised form: 13 July 2013 / Accepted: 16 July 2013 / Published: 25 July 2013
(This article belongs to the Special Issue Energy Efficient Building Design 2013)
Download PDF [1684 KB, uploaded 25 July 2013]
Abstract: Earth-air heat exchange (EAHE) systems offer the possibility of reducing use of nonrenewable energy for heating ventilation air in cold climates. The number of installations of large diameter (greater than 900 mm) EAHE systems reported for cold climates is small. Even less has been reported on their heating performance, but the available information suggests that further rigorous assessment is warranted to determine whether the reported better than expected temperature rise is supported and, if so, the reasons for this. Another concern is the possibility of long-term heat depletion in the surrounding soil, which would affect performance. Only a couple of short-term experimental studies of ground temperature effects of heating with EAHE were found for cool climates. Four articles that addressed ground temperature effects with horizontal ground source heat pump exchangers had conflicting findings regarding heat depletion in the soil.
Keywords: earth air heat exchangers; earth tubes; ventilation; heating; ground temperatures earth air heat exchangers; earth tubes; ventilation; heating; ground temperatures
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Tan, L.; Love, J.A. A Literature Review on Heating of Ventilation Air with Large Diameter Earth Tubes in Cold Climates. Energies 2013, 6, 3734-3743.

AMA Style

Tan L, Love JA. A Literature Review on Heating of Ventilation Air with Large Diameter Earth Tubes in Cold Climates. Energies. 2013; 6(8):3734-3743.

Chicago/Turabian Style

Tan, Lili; Love, James A. 2013. "A Literature Review on Heating of Ventilation Air with Large Diameter Earth Tubes in Cold Climates." Energies 6, no. 8: 3734-3743.


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