In a way, it is true but when u need it, u then consider, might be too late.frankly its even more practical if u dun install the aircon in the 1st place.. save even more...![]()
For my house, I install a 300+ window type, instead of those 3000+ type. Imagine, save some 2700, assume interest rate of 2%, annually u have $54. This is more than enough during the may-jun period of every yr.
