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Preheating of tap water with solar collectors

Technical Report:

Abstract

In 1991 SINTEF Architecture and Building Technology won the second prize in 'The Nordic Competition for Low Energy Buildings' with a project proposal named 'LOWe'. The paper gives a description of the energy-saving features of this project, particularly the use of a solar collector for preheating of tap water. Compared with the economic profitability of other saving efforts in the project, such as good thermal insulation and efficient heat recovering system, the system for solar preheating of tap water does not seem very attractive for the time being. Loose estimates indicate a cost of close of NOK 1.00 per kWh for the produced energy in the solar collector, while the present price for electricity in Norway is about NOK 0.50 per kWh. Compared with a heat pump solution however the energy cost is not unreasonable.
Authors:
Publication Date:
May 05, 1992
Product Type:
Technical Report
Report Number:
PB-93-170652/XAB; STF-62-S92003
Reference Number:
GRA-93-72653; EDB-93-068703
Subject:
14 SOLAR ENERGY; SOLAR WATER HEATING; COST ESTIMATION; ARCHITECTURE; COMPETITION; COMPUTER ARCHITECTURE; CONSTRUCTION; ECONOMIC ANALYSIS; ELECTRICITY; ENERGY CONSERVATION; ENERGY CONSUMPTION; NORWAY; RECYCLING; RESEARCH PROGRAMS; RESIDENTIAL BUILDINGS; SOLAR COLLECTORS; SOLAR ENERGY; SOLAR WATER HEATERS; TECHNOLOGY ASSESSMENT; TEMPERATURE EFFECTS; THERMAL INSULATION; WATER SUPPLY; APPLIANCES; BUILDINGS; DEVELOPED COUNTRIES; ECONOMICS; ENERGY; ENERGY SOURCES; EQUIPMENT; EUROPE; HEATERS; HEATING; RENEWABLE ENERGY SOURCES; SCANDINAVIA; SOLAR EQUIPMENT; SOLAR HEATING; WATER HEATERS; WATER HEATING; 140900* - Solar Thermal Utilization; 140300 - Solar Energy- Economic, Industrial, & Business Aspects
OSTI ID:
6594484
Research Organizations:
Selskapet for Industriell og Teknisk Forskning, Trondheim (Norway). Div. of Architecture and Building Technology
Country of Origin:
Norway
Language:
English
Availability:
NTIS
Submitting Site:
GRA
Size:
Pages: (9 p)
Announcement Date:

Technical Report:

Citation Formats

Granum, H, and Raaen, H. Preheating of tap water with solar collectors. Norway: N. p., 1992. Web.
Granum, H, & Raaen, H. Preheating of tap water with solar collectors. Norway.
Granum, H, and Raaen, H. 1992. "Preheating of tap water with solar collectors." Norway.
@misc{etde_6594484,
title = {Preheating of tap water with solar collectors}
author = {Granum, H, and Raaen, H}
abstractNote = {In 1991 SINTEF Architecture and Building Technology won the second prize in 'The Nordic Competition for Low Energy Buildings' with a project proposal named 'LOWe'. The paper gives a description of the energy-saving features of this project, particularly the use of a solar collector for preheating of tap water. Compared with the economic profitability of other saving efforts in the project, such as good thermal insulation and efficient heat recovering system, the system for solar preheating of tap water does not seem very attractive for the time being. Loose estimates indicate a cost of close of NOK 1.00 per kWh for the produced energy in the solar collector, while the present price for electricity in Norway is about NOK 0.50 per kWh. Compared with a heat pump solution however the energy cost is not unreasonable.}
place = {Norway}
year = {1992}
month = {May}
}