Sliding doors count towards the $1500 government rebate?

Answered by Jeffrey ~ April 7, 2010 ~ 3 Comments » | Respond to this question

Does replacing inefficient sliding doors count towards the $1500 government rebate? Our doors are well over a quarter of a century old, and moisture gets through them.

Marge ~ Worcester, Massachusetts

Jeffrey Anderson

Hi Marge, If your sliding glass doors are that old, I'm sure some of that Worcester, Massachusetts winter air gets through as well. The answer to your question is yes, a new sliding glass door can qualify you for a Federal energy tax credit, but the doors have to meet certain requirements to qualify.

Two of the ratings used on windows and sliding glass doors are the U-Factor, and the Solar Heat Gain Coefficient (SHGC). The U-Factor determines the amount heat that can be lost through the door from the inside of the home. The lower the number the better the insulating performance of the door. The SHGC measures the amount of heat from sunlight which comes through the door from the outside of the home. Again, the lower the number the better it is at reflecting away the heat gain from sunlight. In order to qualify for the tax credit, both of these numbers have to be less than .30. Surprisingly, most Energy Star rated doors do not qualify for the tax credit.

Sliding doors that qualify should have a Manufacturer's Certification Statement available which shows that the doors meet the requirements to qualify for the tax credit. If the door manufacturer can't provide the certification, then the odds are that the doors don't qualify. As difficult as it is to meet the requirements for the tax credit, most door manufacturers who have doors that qualify should advertise that fact on their websites.

If you purchase and install sliding doors which qualify, you can receive a tax credit for 30 percent of the cost of the doors, up to $1,500. The amount claimed can only be for the cost of the sliding doors, labor to install the doors is not covered.

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