Posted by Tom P on August 7, 2011, 11:56 pm
On 08/07/2011 05:30 AM, W wrote:
Combined heat&power units are overall more efficient than pure power
generators as the cooling system is used to provide space heating or hot
Posted by vaughn on August 8, 2011, 1:47 am
The Honda CHP uses a NG-fueled engine to run a small generator whose output
offsets your grid use the same way a PV system does. The difference is that
engine acts as a highly efficient burner to provide heat for your home or for
DHW. The power it produces is virtually free.
Posted by John Gilmer on August 9, 2011, 2:44 pm
On 8/7/2011 9:47 PM, vaughn wrote:
No. You have to account for the "wear & tear" of the gas engine. A
simple gas furnace conservatively will last 7 years. In practice it
will last 30 to 40 years. A relatively small gas engine will wear
itself out in 24/7 service in about a year. During that year you would
be expected to change the oil "several" times.
Posted by Tom P on August 10, 2011, 4:30 pm
On 08/09/2011 04:44 PM, John Gilmer wrote:
Stirling engines? Infinia claims a 25 year zero maintenance service life.
Posted by Morris Dovey on August 10, 2011, 4:56 pm
On 8/10/11 11:30 AM, Tom P wrote:
Product availability? Price? Lead time?