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Correctly answer the questions below and we'll enter you in our drawing.

All entries must be received by 07/08/2011. Contest winner will be notified by email.

All fields marked with an asterik (*) are required.

1.* Dirt and debris build up inside a system, lowering _________________ .
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2. * Stan's system was not installed ____________________ .
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3. * Jan's thermostat habits ended up wasting more __________________ .
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