JD_2B
Little Vixen
Go Sun Solutions - Make Your Own Air Conditioner
Source: Renewable Energy UK
20% of all electricity in the USA is used by air conditioning units. The power consumption of air conditioners renders them incompatible with all but the largest domestic renewable energy systems, and so people living off-grid typically have to do without. In this article we will look at how a very cheap and simple room cooler can be put together, powered by a 12 Volt battery or directly from a PV Solar Panel.
DIY Groundsource Heat Pump Cool Fan
Once you dig more than a few feet down, the temperature of the ground is pretty much constant throughout the year. This is the key to Geothermal (Groundsource) Heat Pumps - systems which keep buildings cool in the summer and warm in the winter with great efficiency. Using this fact it is possible to put together a simple room cooler using nothing more than thin plastic tubing, a small circulation pump, a fan, and a few fittings.
A coil of plastic tubing is buried 1+ metres below ground level where it will find consistent temperatures of around 11-12 degrees Celcius year-round. It is connected through a hole drilled in the wall (or through a window / ventilation brick) to the fan via a closed loop. The hose, or ideally copper tubing is wound around in a spiral at the back of the fan, so the air drawn into the fan is pre-cooled to below the ambient summer air temperature.
The tubing can be attached to the grille of the fan very easily using cable ties.
Anti-freeze or heavily salted water is ideal to act as the coolant pumped around the system since it will not freeze when the system lies dormant in the winter. Since the air in the room is hotter than the air in the ground, the coolant takes heat from the air before it is blown out from the fan and then deposits it in the ground. This set up is a basic heat exchanger.
Any small circulation pump can be used to move the coolant around the system. 12V aquarium pumps can be perfect, as can the pumps typically used in solar water heating systems, and in ornamental garden water fountains. All of these pumps have very low power consumption, and can be powered with a 12V battery.
Super Cooling Homemade Air Conditioner
If more rapid cooling is required, and energy efficiency is not such an issue, then an alternative to using the ground as a source of cool is to use an insulated container filled with icy salt water. Using a copper coil in the icy water, a copper coil at the front AND rear of the fan, and flexible tubing to complete the loop (via the pump), a hot room can be cooled to a comportable level in 10-20 minutes.
ClimateMaster Inc. - ClimateMaster Residential Products
Residential Geothermal Systems
Highlighting Search Terms: geothermal generator heat Search Again
The earth absorbs almost 50% of all solar energy and remains a nearly constant temperature of 50°F to 70°F depending on geographic location. Working with an underground loop system, a ClimateMaster geothermal unit utilizes this constant temperature to exchange energy between your home and the earth as needed for heating and cooling.
Click here to watch a video about how geothermal systems work.
In winter, water circulating inside a sealed loop absorbs heat from the earth and carries it to the unit. Here it is compressed to a higher temperature and sent as warm air to your indoor system for distribution throughout your home.
In the summer, the system reverses and expels heat from your home to the cooler earth via the loop system. This heat exchange process is not only natural, but is a truly ingenious and highly efficient way to create a comfortable climate in your home.
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Province SELECT STATE Select Alberta British Columbia Manitoba New Brunswick Newfoundland Nunavut Nova Scotia Ontario Prince Edward Island Quebec Saskatchewan Washington Yukon Click Here to find out about geothermal and your home.
Geothermal
Source: Renewable Energy UK
20% of all electricity in the USA is used by air conditioning units. The power consumption of air conditioners renders them incompatible with all but the largest domestic renewable energy systems, and so people living off-grid typically have to do without. In this article we will look at how a very cheap and simple room cooler can be put together, powered by a 12 Volt battery or directly from a PV Solar Panel.
DIY Groundsource Heat Pump Cool Fan
Once you dig more than a few feet down, the temperature of the ground is pretty much constant throughout the year. This is the key to Geothermal (Groundsource) Heat Pumps - systems which keep buildings cool in the summer and warm in the winter with great efficiency. Using this fact it is possible to put together a simple room cooler using nothing more than thin plastic tubing, a small circulation pump, a fan, and a few fittings.
A coil of plastic tubing is buried 1+ metres below ground level where it will find consistent temperatures of around 11-12 degrees Celcius year-round. It is connected through a hole drilled in the wall (or through a window / ventilation brick) to the fan via a closed loop. The hose, or ideally copper tubing is wound around in a spiral at the back of the fan, so the air drawn into the fan is pre-cooled to below the ambient summer air temperature.
The tubing can be attached to the grille of the fan very easily using cable ties.
Anti-freeze or heavily salted water is ideal to act as the coolant pumped around the system since it will not freeze when the system lies dormant in the winter. Since the air in the room is hotter than the air in the ground, the coolant takes heat from the air before it is blown out from the fan and then deposits it in the ground. This set up is a basic heat exchanger.
Any small circulation pump can be used to move the coolant around the system. 12V aquarium pumps can be perfect, as can the pumps typically used in solar water heating systems, and in ornamental garden water fountains. All of these pumps have very low power consumption, and can be powered with a 12V battery.
Super Cooling Homemade Air Conditioner
If more rapid cooling is required, and energy efficiency is not such an issue, then an alternative to using the ground as a source of cool is to use an insulated container filled with icy salt water. Using a copper coil in the icy water, a copper coil at the front AND rear of the fan, and flexible tubing to complete the loop (via the pump), a hot room can be cooled to a comportable level in 10-20 minutes.
ClimateMaster Inc. - ClimateMaster Residential Products
Residential Geothermal Systems
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Highlighting Search Terms: geothermal generator heat Search Again
The earth absorbs almost 50% of all solar energy and remains a nearly constant temperature of 50°F to 70°F depending on geographic location. Working with an underground loop system, a ClimateMaster geothermal unit utilizes this constant temperature to exchange energy between your home and the earth as needed for heating and cooling.
Click here to watch a video about how geothermal systems work.
In winter, water circulating inside a sealed loop absorbs heat from the earth and carries it to the unit. Here it is compressed to a higher temperature and sent as warm air to your indoor system for distribution throughout your home.
In the summer, the system reverses and expels heat from your home to the cooler earth via the loop system. This heat exchange process is not only natural, but is a truly ingenious and highly efficient way to create a comfortable climate in your home.
State SELECT STATE Select Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District Of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming AND
State SELECT STATE Select Aguascalientes Baja California Norte Baja California Sur Campeche Chiapas Chihuahua Coahuila De Zaragoz Colima Distrito Federal Durango Estado de Mexico Guanajuato Guerrero Hidalgo Jalisco Michoacan De Ocampo Morelos Nayarit Nuevo Leon Oaxaca Puebla Queretaro De Arteag Quintana Roo San Luis Potosi Sinaloa Sonora Tabasco Tamaulipas Tlaxcala Veracruz-Llave Yucatan Zacatecas AND
Province SELECT STATE Select Alberta British Columbia Manitoba New Brunswick Newfoundland Nunavut Nova Scotia Ontario Prince Edward Island Quebec Saskatchewan Washington Yukon Click Here to find out about geothermal and your home.
Geothermal