Let Karpanto help in finding you window contractors in your area and compare their estimates You've Taken an Important First Step Replacing your windows with qualifying energy efficient windows may qualify you for a Federal tax credit. The government energy tax credit will expire soon. Act now, before this offer ends. 1000s of happy home owners serviced in 2011! Did you know that replacing your windows rather than repairing them can qualify you for up to $200 in Federal tax credits? Studies also show that replacing your home's old windows can yield a nearly 80% return on investment. Take advantage of these tax credits available to you while increasing the value of your home before it's too late.