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Topic: Passive solar heating

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	Passive Solar Heating and Cooling
		Passive solar applications, when included in initial building design, adds little or nothing to the cost of a building, yet has the effect of realizing a reduction in operational costs and reduced equipment demand.
		Heat from the greenhouse should be directed over the rock bed and a means of returning cold air from the bottom of the rock bed to the greenhouse should be provided.
		All heat loss during the winter reduces the efficiency of all heating systems including passive solar design, and where possible, movable, tightly sealed insulation should be used to cut losses to a minimum.
	www.azsolarcenter.com /technology/pas-2.html (8396 words)

	Energy Outlet™: Passive Solar Water Heaters (Site not responding. Last check: 2007-10-08)
		Passive solar water heating systems do not require an auxiliary source of power to deliver solar heated water to your faucet.
		Whenever hot water is used, solar heated water is drawn from the storage tank into the electric water heater.
		Like the thermosyphon system, the solar heated water in the tubes is drawn into the electric water heater when hot water is used.
	energyoutlet.com /res/waterheat/passive.html (161 words)

	EERE: Solar Energy - Passive Solar Heating, Cooling and Daylighting (Site not responding. Last check: 2007-10-08)
		Heat from the sun is stored in the air space between the glass and dark material, and conducted slowly to the interior of the building through the masonry.
		Passive solar is not just a design technique for using the sun to heat and cool a home.
		Passive solar heating is also a common way to heat water (see the section on Solar Hot Water), and, particularly in developing nations where the electrical grid is undeveloped, passive solar heat is sometimes captured to cook food.
	www.eere.energy.gov /RE/solar_passive.html (714 words)

	Passive Solar Heating and Cooling
		There are three major sources of unwanted summer heat: direct solar impacts on a building and through windows and skylights; heat transfer and infiltration, of exterior high temperatures, through the materials and elements of the structure; and the internal heat produced by appliances, equipment, and inhabitants.
		Inside the house, thermal mass such as masonry walls and floors, act as "heat sponges", absorbing heat and slowing internal temperature rise on hot days, and can be cooled down by nighttime ventilating (at the beginning and end of the summer season) and by use mechanical cooling during off-peak cost hours (nighttime).
		Additionally, specifically constructed "solar chimneys", composed of passive air heaters with seasonal dampers can be incorporated where solar heated air can be dumped into the building in the winter, and used as a "ventilator driver" in the summer to draw outdoor air through a house and ventilate it.
	www.azsolarcenter.com /technology/pas-3.html (4046 words)

	MoDNR - Energy Center-Passive Solar Water Heating (Site not responding. Last check: 2007-10-08)
		The crudest form of direct passive solar water heating is to paint a water storage tank fl to absorb heat into the water.
		Controllers are usually solid-state devices that direct the pumps in a solar water-heating system to operate in a manner that optimizes the transfer of heat from the collector to storage to avoid dangerous levels of heat buildup in the collector.
		The pipe containing the water to be heated passes through a larger pipe that is flowing the fluid from the collector panel, allowing the heat of the sun to transfer into the water.
	www.dnr.state.mo.us /energy/renewables/solar6.htm (903 words)

	WBDG: Passive Solar Heating
		Passive solar systems do not have a high initial cost or long-term payback period, both of which are common with many active solar heating systems.
		Although passive solar heating systems do not require mechanical equipment for operation, this does not mean that fans or blowers may not, or should not, be used to assist the natural flow of thermal energy.
		Passive solar heating will tend to work best, and be most economical, in climates with clear skies during the winter heating season and where alternative heating sources are relatively expensive.
	www.wbdg.org /design/psheating.php?print=1 (2430 words)

	Sound Home Resource Center-Topic
		We also lamented the fact that passive solar design and construction had not caught on, and is incorrectly regarded by many as a failed experiment.
		Here is the story of "Solar I", a low budget project which transformed a small non-descript Seattle house into an elegant passive solar structure that has been using less than half the fuel of a traditional structure.
		Passive solar heating depends upon the design of a structure to capture and store the heat of the sun.
	www.soundhome.com /topics/topic_passivesolar.shtml (2980 words)

	Passive Solar Heating
		Passive solar heating makes use of the building components to collect, store and distribute solar heat gains and thus reduce the demand for space heating.
		For large buildings with high internal heat gains, passive solar heat gain is a liability, because increases in cooling costs are greater than the reductions in space heating costs.
		Thus for passive solar applications, glazing tints and reflective coatings should not be used and low-e coatings with high solar transmission should be used.
	www.advancedbuildings.org /main_t_heat_passive_solar.htm (594 words)

	Sourcebook Passive Solar Design
		Passive solar design refers to the use of the sun's energy for the heating and cooling of living spaces.
		Passive design is practiced throughout the world and has been shown to produce buildings with low energy costs, reduced maintenance, and superior comfort.
		For example, a basic passive cooling strategy is to permit cooler night air to ventilate a house and cool down the thermal mass (this can be brick, stone, or concrete walls or floors, or large water containers) inside the house.
	www.greenbuilder.com /sourcebook/PassiveSol.html (708 words)

	Passive Solar Heating
		This method is called “passive” solar heating to contrast with “active” solar systems, which collect solar heat outside the building and move it indoors.
		Passive solar requires large glazing area, and this causes problems of excessive air conditioning cost, excessive heat loss during cold weather, condensation, and discomfort.
		Practical passive solar is probably just within reach for new construction, but it requires much more than the usual amount of brain work to design.
	www.energybooks.com /toc/toc0804.htm (227 words)

	Sourcebook Passive Solar Guidelines1-2
		Solar energy is a radiant heat source that causes natural processes upon which all life depends.
		The goal of all passive solar heating systems is to capture the sun's heat within the building's elements and release that heat during periods when the sun is not shining.
		Heat can be released from the storage area either by opening vents that access the storage by mechanical means (fans), or by conduction if the storage is built into the house.
	www.greenbuilder.com /sourcebook/PassSolGuide1-2.html (1704 words)

	solar passive space heating system (Site not responding. Last check: 2007-10-08)
		® Passive heating of buildings is achieved by understanding and using the knowledge of heat and its relationship with building materials.
		The south side of the house is provided with as much window area as needed according to calculations based on the total heat needed to keep the house warm and the solar energy available.
		A solar greenhouse is built on to the south wall of a house and through heat convection transmits excess heat into the house during the day, whilst heat stored in the mass wall, which can be a self-insulating water wall or a water wall that radiates to the interior as well.
	www.crtnepal.org /otheng/solar_space_heating.htm (1238 words)

	Passive Solar House Plans
		Solar radiation is absorbed during the day and released gradually during the cold nights.
		Passive solar heating is accomplished by collecting and distributing heat from the sun without external mechanical pumping systems.
		Heat stored in a low location is more valuable since it has a tendency to rise in a cold air environment.
	www.jc-solarhomes.com /passive_solar.htm (1480 words)

	Your Home Technical Manual - 1.4 Passive Solar Heating
		Passive solar houses look like other homes but cost less to run and are more comfortable to live in.
		Heat is gained when short wave radiation passes through glass, where it is absorbed by building elements and furnishings and re-radiated as longwave radiation.
		Heat loss through glass (and walls) is proportional to the difference between internal and external temperatures.
	www.greenhouse.gov.au /yourhome/technical/fs14.htm (4192 words)

	Passive solar -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08)
		Passive solar systems are considered (Click link for more info and facts about direct system) direct systems although sometimes they involve convective flow which technically is a conversion of heat into mechanical energy.
		Building orientation: The building is oriented as close to a north-south-east-west axis as possible, usually with the long axis of the building running east-west for maximum exposure towards the south (in the northern (Half of the terrestrial globe) hemisphere; towards the north in the southern hemisphere).
		Shade: Overhang projections are provided over southern, and sometimes eastern and western, windows to shade them during (The warmest season of the year; in the northern hemisphere it extends from the summer solstice to the autumnal equinox) summer months.
	www.absoluteastronomy.com /encyclopedia/p/pa/passive_solar.htm (804 words)

	Passive solar heating, cooling viable option for Midwest (Site not responding. Last check: 2007-10-08)
		Passive solar energy could handle all of a Midwestern home's heating and cooling needs, says one Ball State professor.
		For the study, five structures were constructed with a distinct passive element, such as a south-facing window and a floor of concrete blocks.
		On cold days, the garage door is open during the day to capture the sun's heat, and it automatically closes at sundown to retain the heat.
	www.bsu.edu /news/article/0,1370,-1019-11870,00.html (455 words)

	Passive Solar Heating (Site not responding. Last check: 2007-10-08)
		Although passive solar heating is best incorporated into a house during the initial design, the concepts of passive solar heating can also be used when remodeling or adding to your home.
		Passive solar heating designs in cold climates usually include large south-facing windows and tile floors.
		East and west facing windows generally cause excessive heat gains in the summer and heat losses in the winter, and are usually sized small.
	greennature.com /article100.html (929 words)

	Solar Hot Water
		Passive solar hot water systems are probably the oldest commercially available solar systems.
		The passive solar water heater is known today by many names; PSWH, Batch Heater and Bread Box are the most common and then there is the very technical; Integrated Collector and Storage System (ICS).
		After normal water use in the am, the sun heats the water all morning and then that water is used for the laundry (if necessary).
	www.epsea.org /wtr.html (953 words)

	Desoto Solar Heating Panels (Site not responding. Last check: 2007-10-08)
		Our experience in building high-efficiency passive solar heating panels reaches all the way back to 1973, when we began experimenting with ways to reduce heating costs and reliance on foreign petroleum sources.
		DeSoto Solar's panels are designed in such a way as to be most efficient during the cold winter months and least efficient during the summer.
		Unless the structure has been designed specifically to be solar heated, solar heating should not be considered as an outright replacement for conventional heating systems; but rather should be used to supplement the conventional system.
	www.iedu.com /DeSoto/solar.html (241 words)

	Amazon.com: Books: The Solar House: Passive Heating and Cooling (Site not responding. Last check: 2007-10-08)
		Passive solar heating and passive cooling—approaches known as natural conditioning—provide comfort throughout the year by reducing, or eliminating, the need for fossil fuel.
		The Solar House: Passive Heating And Cooling by global environmental issues expert Daniel D. Chiras is an "user friendly" architectural guide to choosing and implementing an energy-efficient and environmentally friendly backup heating system, and thereby making any dwelling both cost-effective and naturally heated and/or air conditioned.
		The Solar House covers passive solar design and construction in great detail, drawing on modern science and architecture, yet is easy to read and understand.
	www.amazon.com /exec/obidos/tg/detail/-/1931498121?v=glance (1527 words)

	1997 Quality Assurance Study--Passive Solar Heating (Site not responding. Last check: 2007-10-08)
		At the 1996 Energy Technology Data Exchange (ETDE) Technical Working Group meeting, the topic of "Passive Solar Heating" was chosen for a database quality study using the same methodology used in previous studies.
		The study results show that for the subject of passive solar heating, the ETDE database is 78% comprehensive.
		Although the sample for this review was small compared to other years, the coverage for the topic of "Passive Solar Heating" is very good in the ETDE database.
	www.etde.org /edb/passolar.html (300 words)

	Passive Solar Heating Design
		Passive solar heating is the direct use of sunlight for space heating.
		The solar energy must be stored for dark periods, usually with heat storage in thermal mass.
		Passive solar is much more complex than generally realized.
	www.energybooks.com /toc/toc1147.htm (212 words)

	Encyclopedia: Passive solar heating (Site not responding. Last check: 2007-10-08)
		People who viewed "Passive solar heating" also viewed:
		Passive solar energy refers to collection systems that do not use other forms of energy to increase the effectiveness of the collection system.
		Passive solar systems use architectural elements in buildings to take advantage of natural cycles of sunlight and other elements in order to reduce the costs of building heating and cooling, without using mechanical elements.
	www.nationmaster.com /encyclopedia/Passive-solar-heating (529 words)

	Passive Solar Heating Systems (Site not responding. Last check: 2007-10-08)
		Passive solar heating is established by employing various stru More specifically, passive solar heating designs consist of five major components: collection, absorption, storage, distribution, and control.
		One of the most well-known approaches to passive solar heat in the market today is the concept of a solar envelope house, known as
		It was designed by engineer and builder Michael Sykes, and he received several p Although this may not seem revolutionary to some, this design maintains an inner temperature of 21 degrees Celcius, plus or minus two degrees, all year-round.
	www.geology.wisc.edu /geo411/patterson.html (304 words)

	The Infography about Passive Solar Heating and Passive Cooling
		The following sources are recommended by a professor whose research specialty is passive solar heating and cooling.
		Presents a lot of good information on passive solar heating and an interesting design that's been successful in cold climates.
		This brief book provides basics on passive solar design and construction primarily of adobe homes.
	www.infography.com /content/808767332606.html (519 words)

	Passive Solar Water Heating Systems
		At the turn of the century there were large numbers of solar water heating systems on roof tops, especially in Los Angeles and Florida.
		The potable water in the collector unit is heated by the sun and delivered by city or well water pressure to an auxiliary tank (which contains non-solar back-up heating) or directly to the point of use.
		A thermosiphon solar water heating system has a tank mounted above the collector (normally on the roof) to provide a natural gravity flow of water.
	www.flasolar.com /passive_dhw.htm (378 words)

	passive solar heating
		The use of the sun to heat buildings.
		Careful design and positioning of buildings can ensure that sunlight in the winter months will warm them by day, with much of the warmth remaining during the night.
		This does not involve the conversion or harnessing of solar energy.
	www.daviddarling.info /encyclopedia/P/AE_passive_solar_heating.html (126 words)

	Passive Solar Heating UK
		Intro to passive solar architecture through design of the building and by utilising the inherent properties of the construction materials.
		Passive solar design tries to optimise the amount of energy that can be derived directly from the sun.
		A fairly comprehensive overview of the principles and benefits of passive solar heating and cooling for new buildings..
	www.greenphase.com /passivesolar.html (142 words)

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