In the near future, your electrical utility will control both your thermostat and HVAC equipment. The concept is known as the Smart Grid and it is coming soon. Fortunately, the smart grid is not as scary as it may sound. Understanding electrical supply and the basics of electrical generation can help clarify the need for a Smart Grid.
Static or electrostatic charges occur every day. Almost everyone has been shocked by static charges and many have witnessed nature's lightning storms, which are magnificent displays of the power behind static electricity. So what is an electrostatic charge? An electrostatic charge is an electrical charge which is built up on an insulator or a material which is non-conductive.
With so many HVAC and plumbing contractors flooding the market it pays to research your contractor before you go with the cheapest bidder. Many contractors will cut corners to save labor hours. This picture illustrates how one NH contractor ignores both manufacturer specs and NH laws when installing a State Hot Water Tank. Can you see what's wrong with this picture?