Archive for Energy Efficient Homes

Mar
06

Saving energy with Thermostats and Control Systems

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By turning the thermostat down 10 degrees, you can save 10% every year. This can be done without sacrificing the comfort by installing a programmable thermostat or by doing it manually.

A programmable thermostat will guarantee you do not forget to adjust the settings, which will also provide the benefits of continuously changing the temperature when you are not home or in bed at night.

The beauty of the thermostat is you can set the programmed times so you will not to remember to change the settings manually. By allowing the thermostat to do all the work, you will only have to set back and see the lower utility bill each month.

The programmable thermostats have multiple settings for the day so you can regulate the settings for the time you are home and want a higher temperature. This means on the weekends when you are home you change the settings for the weekends and have different settings for the daytime then the settings used during the week when you are at work.

The ideal temperature for the winter is 68 degrees.

Turning the temperature down to 68 degrees in during the winter can save 5% -15% on the heating bill. All of this savings for lowering the thermostat as well as setting it lower while you are not at home.

In the summer, the ideal setting is 78 degrees while at home. Set it higher when you are not at home.

Change the settings to cool the home shortly before you return so you get the benefit of coming home to a comfortably cool home.

The common misconception of using the thermostat is the furnish will have to work harder to heat the cooler home, yet this have been proven false over the years by intense studies. The true aspect of lowering the temperature is the fuel used to reheat the home is about equal to the fuel saved while the temperature in the home has dropped.

You save fuel between the times it takes the temperature to level out at the lower temperature until the next time the heat is needed. The longer the temperature is lowered the more money saved.

Programmable thermostats are not recommended for heat pumps. The heat pump is used in the cooling mode as an air conditioner so using the programmable thermostat for the cooling process will be all right; it is when the heat pump produces heat the inefficiency of the heat pump will occur.

There are programmable thermostats specifically designed for heat pumps to add to their energy efficiency.

An electric baseboard heater requires thermostats capable of directly controlling the 120 volt or 240 volt circuits. Only limited amounts of companies have manufactured the line-voltage programmable thermostats.

The response time is a problem with radiant or steam heating systems.

Both systems have several hours the response time. In the past, this was a problem. Now there are manufacturers who offer thermostats, which can track the performance of the heating systems that will turn on the system in order to provide comfortable temperatures based on the programmable thermostat.

The benefits of using the programmable thermostats are it saves money while providing consistent heat or cool air. This is very appealing to the energy-minded individuals.

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Feb
07

Solar Energy Use for Increasing Home Energy Efficiency

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We all know that the sun has been producing energy for billions of years. When the sun’s rays reach the earth this produces solar energy.

This energy can then be changed into other energy forms such as heat or electricity. In this day and age people are using the sun’s energy for many different purposes. The energy from the sun can be a very useful and energy efficient way to power your home and can save you a lot of money in the long run.

Solar energy can be changed into heat energy and can be used to heat water to use in your home or swimming pools or it can be used to heat spaces such as in greenhouses or homes. By doing this, you can decrease your dependence on traditional energy methods and in some areas you can even eliminate your need for other energy sources altogether.

There are two ways to convert solar energy into electricity.

You can do this through photovoltaic devices which change the sunlight into electricity directly. These systems are mainly used in rural areas that are not in an area where there are other energy sources available and that cannot be connected to the power grid. These devices are also used to power calculators, watches, and road signs.

The other method to convert solar energy into electricity is through solar power plants. These plants generate electricity indirectly when the solar thermal collectors heat fluid which then produces steam that is used in generating power. There were 15 recognized solar electric generating plants in the United States in 2006.

Of these plants, there were 10 located in California and 5 in Arizona. Statistics are only compiled for plants that produce more than 1 megawatt of electricity, but there are smaller solar plants in other states.

There are some serious disadvantages to using solar energy however. There is not a constant amount of sunlight that arrives at the earth’s surface.

The amount depends on factors such as your location, the time of day, the time of the year, and the weather conditions. Also, using solar energy for electricity requires a large area because the sun does not deliver a lot of energy to one single place at any given time.

Converting sunlight into energy is done through photovoltaic energy.

A solar cell, otherwise known as a photovoltaic cell is the process that is used to change solar energy directly to electricity. Photovoltaic cells are devices that are non-mechanical and are most commonly made of silicon alloys. Photons, or particles of solar energy, are absorbed when they hit photovoltaic cells. If there is enough energy absorbed electricity is created. This energy is converted in many different ways and can be used for a variety of things. Some houses, in very sunny regions are powered completely by solar energy.

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