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Which is better for a new house, add a geothermal system OR solar system to save energy?

Question by 【 ⌣̈ 】: Which is better for a new house, add a geothermal system OR solar system to save energy?
If the house is more than 20 years old, would there be any difference?

Best answer:

Answer by adavielI guess you mean solar thermal, for hot water ?
Probably depends where you live. Further north, with less sunshine, geothermal is going to win particularly if you live near hot rocks like Iceland.

Add your own answer in the comments!

Power Saver Home- Save 25% on Your Electric Bill!

Saves up to 35% per month on your electricity bills!
Reduces the amount of electricity drawn from the power supplier
Simply plugs in any outlet 70ft. or closer to a breaker box
Acts as a voltage stabilizer by storing energy for up to 10 seconds
Pays for itself in around 2 months or less

Description:

* 100% Brand new and high quality
* Super intelligent digital energy saving equipment
* Weight: 127g
* Size: 12 x 6.5 x 6.5 cm
* Environmentally friendly
* Save energy efficiently
* Easy to use , maintenance free . Just plug the saver i

List Price: $ 9.99

Price: [...]

Palm Desert Set to Save Energy Efficiency Program

EnerPath helped the Palm Desert Community Partnership save energy in over 6000 homes and 1000 small businesses in 12 months. The Set to Save energy efficiency program has an ambitious goal to reduce energy costs by 30% city-wide over a 5-year period.
Video Rating: 4 / 5

San Francisco Interior Designer Ian Stallings Says Green Design Choices Can Save Money and the Environment

Q&A: How do LED lights save energy when they typically have to be used in conjunction with a ballast resistor ?

by familymwr

Question by hairyrome: How do LED lights save energy when they typically have to be used in conjunction with a ballast resistor ?
Resistors, LEDs & light bulbs all use power. So how does an LED in an existing electrical circuit save energy when typically the circuit requires ballast resistors? Power = current x resistance. So if the Wattage is stepped down from 50w to 3watts, the current has increased with the extra resistance required. Surely the resistors are just using up the power that is saved by the LED? Maybe more so when using a light relay [...]

how to save on electric bill in an apartment?

by bill barber

Question by akanesan31: how to save on electric bill in an apartment?
I am moving into a 2 bedroom apartment where i have to pay water and electricity what are some ways to save on my electric or water bill.

Best answer:

Answer by Felly(:If you aren’t using something, let’s say a lamp or a charger, take it out from the plug. Even though the object isn’t using any power when it’s off, the plug is still sucking electricity and $ $ $ .
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As for water, don’t use hot water for cleaning or showering, esp. for long [...]

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