The higher the solar fraction, the greater the solar contribution to water heating, which reduces the energy required by the backup water heater. The solar fraction varies from 0 to 1.0. Typical solar factors are 0.5â0.75. Don't choose a solar water heating system based solely on its energy efficiency.
Price of a Stamp. The current price of a first class stamp is 49 cents. A domestic first class letter (1 oz.) is 49 cents. The price of each additional ounce is 21 cents. It will cost you 34 cents to send a domestic postcard.
How Much Does A Postage Stamp Cost. by admin on September 10, 2014. How Much Does A Postcard Stamp Cost. Sending out letters is close to becoming a left tradition thanks to the presence of the internet and social media where posting and getting through to people has been made much faster. Nonetheless, the thrill of receiving a post from relatives, family or friends is unmatched.