Highest Performance Guaranteed

Logo Highest Performance March 2007


Solatube Daylighting Systems features breakthrough technology for higher performance. Solatube guarantees that the 160DS & 290DS Brighten Up Daylighting Systems deliver more Average Daily Light on an Annual Basis (as determined by the methodology set forth below) than other passive tubular daylighting devices having the same “L over D ratio” (as defined below) that are commercially widely available on the market at the time of your purchase. We are totally confident that no other product offers the total annual performance of a Solatube product. We will give you YOUR MONEY BACK (retail purchase price) if you find such product.


Methodology for Determining Average Daily Light on an Annual Basis (ADLAB)

The ADLAB is determined by measuring the light output of a system at each hour during daylight hours on the 21st day of March, June, September and December. To determine the ADLAB, these measurements are then added together and divided by the total number of measurements taken. To compare ADLABs, the systems compared must have the same ratio of Length of daylighting tube divided by the Diameter of the tube opening. This is called the “L over D ratio.” Testing must be completed by a certified testing agency.

Limitations on Guarantee

Guarantee offer applies only to products purchased for personal use. Offer is only valid for products assembled and installed according to manufacturer’s specifications. Offer excludes new products manufactured by Solatube.

To Make A Claim

If you believe that you have found a qualifying product that outperforms your Solatube Daylighting System, please send a written refund request with your original purchase receipt with the Solatube product circled, and written test results from a valid testing agency to:

HomeTech Solatube
Po Box 39146
Wellington Mail Centre
Wellington

Requests must be postmarked within 90 days of purchase date. Solatube reserves the right to audit any testing or to retest to confirm results. 

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