Top network posts

• 17 Producing my own energy options in urban area with windows but no roof access?
• 14 What is an energy efficient way to get fresh air indoors during winter?
• 11 Should I take advantage of the higher heat pump COP during the warmest part of the day and "bank" heat in the house?
• 10 What advantages (any?) has water heating via photovoltaic system over solar thermal system?
• 10 Can I prepay a Credit Card to make a Large Purchase greater than my credit limit?
• 7 When does using a car's start-stop system become more economical?
• 7 How can I estimate the gas usage of a pilot light?
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