When thinking about the price of secondary glazing I calculated that if it paid out for alone in just 2-three many years it was worth it. I have only 1 thirty day period's figures to work on but an indicative 4°C saving indicates it is going to achieve breakeven https://double-glazing-benefits46509.collectblogs.com/79528448/the-fact-about-thermal-barrier-that-no-one-is-suggesting