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Save on Your Energy Bill and on Your Tax Bill
Many Kolbe windows and doors are eligible for federal tax credits when replacing units in an existing home. Simply use the search feature below to identify those products. Many more are pending certification and may be eligible in the near future. To identify those products, please specify Products Pending Certification when using the search feature.

Do you already have Kolbe windows installed, but would like to take advantage of the tax credits? You may add combination storm/screen units to your existing Ultra, Heritage, or Classic Series wood double hung and/or slider windows. As long as the existing units are listed and qualify with combos applied and meet the .30/.30 provision, those combination units will be eligible for the tax credits.

SEARCH KOLBE PRODUCTS (updated daily)

Kolbe Products Eligible for Home Improvement Tax Credits on or after June 1, 2009 [ Print Manufacturer's Certification Statement ]

Kolbe Products Pending Certification [ i.e., not yet eligible for Tax Credits, but in process ]

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Federal Tax Requirements
For Home Improvements Before June 1, 2009 - Must meet ENERGY STAR criteria After June 1, 2009 - U-factor less than or equal to 0.30 After June 1, 2009 - SHGC less than or equal to 0.30 Homeowners will need proof of qualification, including receipts and the Manufacturer's Certification Statement (see above right).*	For New Homes For information about energy tax credits for new homes, please visit the ENERGY STAR® website.
*Homeowners are solely responsible for obtaining any tax credits and are required to maintain their own records that the products they buy meet the qualification requirements. Kolbe & Kolbe Millwork Co., Inc., our suppliers, and the installers assume no liability in relation to the ability or inability to obtain tax credits.
REFERENCES ENERGY STAR®: Federal Tax Credits for Energy Efficiency \| Rebates and Tax Credits for Windows, Doors, and Skylights NFRC: Press Release IRS Website: Residential Energy Credits

NOTES: (back to top of chart)
U-Value (or U-Factor): The lower the U-factor, the greater a window's resistance to heat flow and the better its insulating value. Units are Btu/(hr•ft2•ºF).

SHGC: Solar Heat Gain Coefficient Total is a unitless number representing the ratio of radiant solar energy passing through/ incident solar radiation. A small SHGC is desirable during summer. This includes the effect of frame and dividers, which have SHGC of almost zero. Shading Coefficient = SHGC / 0.86.

VT: Visible Transmittance of the total fenestration product system is the transmittance across the visible portion of the solar spectrum where sensitivity to each wavelength is weighted by the eyes response. Vt is expressed as a dimensionless number from 0 (completely opaque) to 1.0 (completely clear). This value is influenced by the glass selection and by the ratio of glazing and frame area. Vtc high number (Ø.65) means nearly clear view, and low Vt total number means tinted view.

NFRC CPD: National Fenestration Rating Council Certified Product Designation number (Learn more about the NFRC)

2008S, S/C, N/C, N: View the ENERGY STAR climate zones through December 31, 2009 at the ENERGY STAR website

2010S, S/C, N/C, N: These are the ENERGY STAR climate zones for windows as of January 1, 2010.
2010 Door ES: This is the ENERGY STAR climate zone for doors as of January 1, 2010.
View 2010 climate zones for windows and doors at the ENERGY STAR website

PDL: Performance Divided Lite bars are a divided lite option using one lite of glass; i.e., they are visual divisions in one insulating glass unit rather than separate units which are used for true divided lites (Learn about PDL for wood products and vinyl products

Combo: Combination storm/screen unit

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