WHY ZERO NET-ENERGY WASN’T GOOD ENOUGH FOR MY HOUSE
WHY ZERO NET-ENERGY WASN’T GOOD ENOUGH FOR MY HOUSE Many zero net-energy advocates make the statement that ‘zero net-energy homes have zero energy costs’. There is a dirty little secret that made this statement false for THE HAYFIELD HOUSE. Following is my story and the dirty little secret. The definition of a zero net-energy home is one that produces as much renewal energy as the house uses, as measured on an annual basis. It then sounds logical to jump to the conclusion that such homes have zero operating energy costs. It also sounds logical to assume that if a house is performing at near zero net-energy that your utility bills will also be near zero. — I’ve found both assumptions to be FALSE for THE HAYFIELD HOUSE....
[…] I also knew nothing about air-source hot water tanks that are used in many ZNE homes. That was OK,…