Increased test options and several different testing companies offer options, but also confusion for genealogists. Which DNA test will best help you answer the questions you have about your ancestry? DNA tests are offered by several different testing companies, and each works a little differently. Most tests are sent with a cheek swab or small brush which you rub on the inside of your cheek, and then send back to the company in the provided sample container.
These systems have a conversion efficiency of 15 to 35 percent depending on system size and operating parameters. A steam CHP system can reach system efficiency of up to 85 percent. Installed costs range from $1,700 to $3,500 per kW and typ-ically produce energy at a cost of $0.06 to $0.20 per kWh.
$146.29. 1 Costs are based on average PSE residential rates for electric service ($.088594 per kWh [first 600 kWh] and $0.107172 [remaining kWh]) and natural gas service ($.97449 per therm) as of February 2013. Rates are based on usage of 1,000 kWh per month and 68 therms per month.