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Topic: Solar heating

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	Passive Solar Heating and Cooling
		Heat is transferred through ducts or pipes by natural convection to a storage area - comprised of a bin (for air) or a tank (for liquid), where the collected cooler air or water is displaced and forced back to the collector (Fig.
		Heat transfer can occur by natural convection if the building is terraced up a slope, or by use of a fan, which would transfer heat to a rock bed located in a crawl space under the floor of the structure (Fig.
		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.
	www.azsolarcenter.com /technology/pas-2.html (8396 words)

	Your Home Technical Manual - 1.4 Passive Solar Heating - Part 1
		Heat is re-radiated and distributed to where it is needed.
		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 (1625 words)

	glossary of solar heating terms used for solar thermal energy applications
		A solar collection device in which sunlight is converted into heat on a plane surface without the aid of reflecting surfaces to concentrate the rays.
		A solar heating or cooling system in which the solar heat is collected exterior to the building and transferred inside using ducts or piping and, usually fans or ducts.
		Heat from the fluid is conducted through the metal and transferred to the rooms by thermal radiation.
	www.solarexpert.com /Glossary.html (1709 words)

	Water and Electric Underfloor Heating, Solar Heating and Power Suppliers and Installers UK
		Solar water heating is when daylight is converted into heat by solar panels normally located on the roof.
		The ribbon electric underfloor heating mats are an ideal way of having the benefits of electric underfloor heating (space saving, aesthetics & warm floors) but without the normal limitations of standard electric underfloor heating systems.
		Heat pumps are the most energy efficient HVAC (heating, ventilating and air conditioning) system on today's market and are becoming an increasingly popular way to provide heating and domestic hot water for new properties and renovations throughout the UK.
	www.rayotec.com (568 words)

	glossary of solar heating terms used for solar thermal energy applications
		A solar collection device in which sunlight is converted into heat on a plane surface without the aid of reflecting surfaces to concentrate the rays.
		A solar heating or cooling system in which the solar heat is collected exterior to the building and transferred inside using ducts or piping and, usually fans or ducts.
		Heat from the fluid is conducted through the metal and transferred to the rooms by thermal radiation.
	solarexpert.com /Glossary.html (1709 words)

	Solar Energy \| Passive Solar Heat \| Active Solar Heating
		Solar heating can be used to heat the space in your home or to heat the water in your plumbing system.
		The downside of an active solar system is that the initial installation costs are much higher, since in most cases you will also need to install a traditional heating system for the times when the solar heating can't work—many cloudy days in a row, for example.
		Active solar heating systems can be expected to supply between 40 and 80 percent of your home's heating, depending on the size of the system you have installed as well as the climate where you live.
	www.servicemagic.com /article.show.Solar-Heating-Environmentally-Friendly.9762.html (667 words)

	Solar Heating
		Solar heating is most appropriate for hydronic heating, wherein warm fluid is circulated through heating appliances thereby warming a room.
		For example, radiant floor heating works well with fluid temperatures of up to 120 degrees F. Since solar collectors operate at or near that temperature, solar heated fluid can be fed directly into a radiant floor.
		When used in year-round applications such as pool heating or combined space and pool heating (using the same collectors to heat a home in winter and a pool in summer) a return on investment can be as short as 48 months.
	www.cedarmountainsolar.com /solar_heating.htm (996 words)

	NREL: Learning - Solar Energy Basics
		Solar power can be used in both large-scale applications and in smaller systems for the home.
		Solar hot water — Heating water with solar energy.
		Solar process heat and space heating and cooling — Industrial and commercial uses of the sun's heat.
	www.nrel.gov /learning/re_solar.html (405 words)

	Residential Solar Heating Retrofits
		Solar space heating systems are usually designed to provide 30 percent to 80 percent of heating, depending on your geographical location, the system type, and its size.
		Solar air space heaters, which act as a supplemental heat source for one room or a small area of the house, are the least expensive and simplest to install.
		Solar air heating systems may use large bins filled with rocks for heat storage (though this method is now rare due to problems associated with controlling moisture and mold growth in rock storage media).
	www.bobvila.com /HowTo_Library/Residential_Solar_Heating_Retrofits-Solar_Heating-A1935.html (1019 words)

	Solar Heating Systems
		In order to protect solar heating systems from freezing damage, there is a water-antifreeze mixture in the circulation pipes, and, due to separate circuits, the heat-transfer fluid and the domestic water do not mix.
		To prevent heat loss out of the tank because of insufficient solar radiation or at night due to convection (the heat-transfer fluid cools in the cold collector, and through the force of gravity, then circulates towards the storage tank) a rebound valve is mounted in the outward flow.
		To start the pump, the solar regulator is usually calibrated so that the necessary temperature difference between the collector and tank is between 5° C and 8° C. If this temperature difference sinks to 2° C to 3° C, then the solar regulator will shut off the solar circuit circulation pump.
	www.solarserver.de /wissen/solaranlagen-e.html (1286 words)

	Mobile Home Repair- Building an inexpensive solar heating panel
		So throughout the summer Jack and I explored various options of creating "cheap heat." The most sensible solution we found was to heat the air in our home using a solar heating panel.
		For a solar heating panel to operate effectively, you must keep in mind the following Rules of Thumb.
		Since this solar heating panel would become a permanent fixture on the side of my house, I covered the frame with a metal that matched the trim on the house.
	www.mobilehomerepair.com /article17solar.htm (1247 words)

	Solar Water Heating
		Heat exchangers transfer the heat from the fluid to the household water stored in the tanks.
		Water stored within the tank is then heated when the fluid passes through a heat exchanger located inside the storage tank.
		Solar heated water flows from the rooftop tank to the auxiliary tank installed at ground level whenever water is used within the residence.
	www.ucsusa.org /clean_energy/renewable_energy_basics/solar-water-heating.html (1553 words)

	Solar Heating Systems (Site not responding. Last check: )
		Space heating is the most common use for an air-based solar heating system since the heat does not have to be transferred to another medium before being used.
		The main components of a solar heating system are the solar collectors for collecting solar radiation, the solar storage system for storing the heat, and heat exchangers for distributing the heat throughout the building.
		Air in the air-based solar heating system (Figure 8) is pulled through the collector, preheat tank heat exchanger, and damper A. Dampers are used in a ductline to stop or redirect airflow in the duct, just as valves are used in piping to stop water flow.
	home.earthlink.net /~jschwytzer/solar.html (1890 words)

	Solar Home Heating - Solar Energy for Home and Water Heating
		At the turn of the century there were large numbers of solar water heating systems on roof tops, especially in Los Angeles and Florida.
		When the temperature of the solar water entering the water heater is less than the thermostat setting, your water heater makes up the difference.
		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.siemenssolar.com /solar-heating (991 words)

	Reflective solar heating for $150 per kilo-Watt
		Heating our dwellings in winter is not only a source of pollution, but also costs money.
		The transport of heat to the house occurs with the speed of light.
		The cost of fully installed solar reflector heating seems to be around $150 per kW with no future bills to pay and no pollution to generate.
	www.mtbest.net /solar_heating.html (201 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 (2430 words)

	Solar heating
		There are many kinds of solar heating and there are continually growing researchers devoted to creating more kinds of solar heating for many different purposes.
		This method of solar heating relies on the design of the place it is going to heat, the structure of the place determines where the heat will collect and how it will be distributed.
		A solar furnace is another type of solar heating that will capture the rays of sun to produce very high temperatures.
	www.solarhome.org /infosolarheating.html (360 words)

	Affordable Solar Heating
		Heats indoor pool with solar energy and moves heat from air conditioning of the house to the pool.
		The solar heat collectors heat the pool and domestic hot water directly in the summer, fall and spring.
		Generally in retrofit situations in existing buildings solar heating should not be expected to provide all of the heat.
	www.awesomesonsolar.com /Solrhtg.htm (921 words)

	Solar Water Heating
		Solar water heaters, sometimes called solar domestic hot water systems, may be a good investment for you and your family.
		Solar water heaters are cost competitive in many applications when you account for the total energy costs over the life of the system.
		The heated water is then stored in a tank similar to a conventional gas or electric water tank.
	www.bobvila.com /HowTo_Library/Solar_Water_Heating-Solar_Heating-A1972.html (777 words)

	Solar Pool Heating and information on solar pool heating panels.
		As a result, heat pump operating costs are about half of that for a gas heating system – about $540 with a pool cover for the same pool scenario described in the gas heating example and about $1,800 with no pool cover in use.
		Solar pool heating systems do require an initial investment of $3,000 to $5,000 for a typical 300 to 400 square foot surface area residential al pool with no special installation requirements...but a properly sized system with a life span of 15-20 years can pay for itself with energy savings in 2-to-3 years.
		Because solar heating technology can be confusing to the average pool owner, it is advisable to contact a state certified solar contractor when you look into solar heating.
	www.flasolar.com /pool_main.htm (1292 words)

	Solar heating apparatus for swimming pools - Patent 4313421
		The sheet 8 is in contact with the surface of the water and therefore transfers heat to the water when the sheet 8 becomes heated by the sun.
		The sheet thus becomes a relatively good heat insulating layer for insulating the pool during the times when the sun is not shining to prevent heat losses from the pool.
		This avoids any heat transfer taking place via condensation drops which would otherwise form on underside of the sheet 8 and be returned to the pool.
	www.freepatentsonline.com /4313421.html (1700 words)

	Solar Water Heating - Solar Water Heaters for Home and Solar Water Heating info and facts
		Solar water heaters are not only environmentally friendly they can be cost efficient over the life of the unit with the savings made from the conservative use of power.
		The heated water is stored in a tank akin to the conventional tank we are used to.
		Have your local solar heater merchant do a solar site analysis to ensure you have a site suitable to house the system and that the position you choose does not contravene any local ordinance.
	www.siemenssolar.com /solarwaterheating.html (808 words)

	Solar Energy Technologies Program: Solar Heating
		Solar heating harnesses the power of the sun to provide solar thermal energy for solar hot water, solar space heating, and solar pool heaters.
		A solar heating system saves energy, reduces utility costs, and produces clean energy.
		The efficiency and reliability of solar heating systems have increased dramatically, making them attractive options in the home or business.
	www1.eere.energy.gov /solar/solar_heating.html (226 words)

	Going Solar with SolarRoofs.com is the best way to go.
		Solar thermal water heating systems, which uses the sun's energy rather than electricity or gas to heat water, can efficiently provide up to 85% of the hot water needs—without fuel cost or pollution and with minimal operation and maintenance expense.
		Solar water heating is a reliable and renewable energy technology used to heat water.
		Active solar heating systems are most cost-effective when they are used for most of the year, that is, in cold climates with good solar resources.
	www.solarroofs.com /going/index.html (1636 words)

	Residential Solar Water Heating
		Solar water heating systems, using glycol, achieve very high year round output while protecting the collectors from freezing and hard water deposits for long life.
		Solar pool heating systems offer an alternative to the high cost of gas and electric heating.
		Solar pool water heating may seem expensive at first but the return on investment far outweighs the cost of gas or electric pool heaters.
	www.scsolar.com /Residential_Solar_Water_Heating.html (483 words)

	EnergyGuy_SolarWaterHeating
		Solar also improves the overall sustainability of our economy, both now and in the future, by providing jobs, by helping to reduce the need to buy fuel from foreign sources, and by reducing the ever-increasing environmental costs we are just now beginning to understand.
		Because the economics of solar water heating depends on the particular application, professional assistance is recommended in evaluating the economics of your application.
		In general, solar pool heating is an excellent, low cost, high return investment for those interested in extending their pool heating season as well as saving energy during the winter months.
	www.theenergyguy.com /solarwaterheating.html (2619 words)

	Solar Heating Projects
		Even though solar energy is the largest source of energy received by the Earth, its intensity at the Earth's surface is actually very low due to the large distance between the Earth and the sun and the fact that the Earth's atmosphere absorbs and scatters some of the radiation.
		The idea of selling solar electricity to power companies has a certain appeal, but before you jump on the PV grid bandwagon consider the price you’ll have to pay for a grid hook up and the time it will take to your system to pay for itself.
		Trapped heat due to the greenhouse effect is responsible for this rising column of hot air.
	jc-solarhomes.com /solar_heating.htm (4352 words)

	Solar Water Heating Animation
		Energy from sunlight in the form of heat is transferred to a water/antifreeze solution is circulated through insulated pipes from the collector to the heat storage tank or vault.
		The temperature difference between the solar storage tank water and the desired water temperature would determine the amount of conventional energy required to heat your domestic hot water.
		A unit of heat known as a British Thermal Unit or BTU is the energy required to raise one pound of water one degree F. Lets say that over the period of one year your household raises 500,000 lbs.
	www.jc-solarhomes.com /solar_water_heating.htm (383 words)

	Centers of Power: New Mexican Alternative Energy Expert on Bill Richardson \| BlogHer
		They utilized solar heating, facing their carefully constructed homes to the south, so that the rock and mud would absorb heat in the day, and release it into the interior at night.
		They have provided solar heating and electricity for movie stars with residences in the picturesque open spaces of New Mexico, as well as important county and city projects, and most importantly, to homeowners who simply want to make a difference.
		Daniel: Well, in terms of solar heating, which by the way, is the best way to offset greenhouse gasses that we have available, I think it would be great for symbolic and practical reasons, for Governor Richardson to push for some high profile government projects involving solar.
	www.blogher.org /node/14968 (952 words)

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