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Our items are guaranteed for their normal life under standard, non-commercial use.
These unique devices are the only ones that provide thermally-efficient ventilation for a home while simultaneously filtering incoming air to increase freshness. Their patented Air-to-Air Heat Exchanger technology helps create a more comfortable indoor environment while augmenting air quality. Eliminating the need for ozone generators or ionizers, which artificially reproduce the negative ion content of fresh air, these units circulate natural, fresh air into a home from outside. At the same time, they shunt stale internal air and control indoor humidity. Normally, an open window accomplishes the same task, but at a loss of heat that results in uncomfortable drafts during colder months. These devices transfer at least 90% of the thermal energy from the outgoing air to the incoming fresh air, helping prevent significant temperature fluctuations indoors. The filtration unit in the heat exchanger traps 85% of incoming particles as small as 5 microns (a human hair averages between 70 and 100 microns in width). The random matrix polyester-heat exchanger may be easily removed for washing. Both models use a new ultra-quiet, high-efficiency variable-speed motor. All components are heavy steel with corrosion protection from impact-resistant plastics, and exteriors are painted in scratch-resistant electro-plated paint. Both units are ETL rated to UL standards. Duct Unit. Installed directly in the central, forced-air system of a home, this unit effectively filters and exchanges the air throughout an entire house up to 3,000 square feet, and it also helps reduce radon levels. Includes four starting collars for six-inch or galvanized duct connection. Requires professional installation. 23" H x 22" W x 16 1/2" D. (66 lbs.)
The Hammacher Schlemmer
Our merchandise is guaranteed for life.
Items that we sell are guaranteed for their normal life under standard non-commercial use. Should any product fail to meet your expectations, we will replace it or refund the cost of the item less shipping and service fees. Returns older than one year will be credited in the form of a gift certificate.
We know you have a choice.
Thank you for choosing Hammacher Schlemmer.
Our Rather Famous Lifetime Guarantee
The products we offer are as unique as our name and our merchandise is backed by our Lifetime Guarantee of Satisfaction.
The affiliated, independent Hammacher Schlemmer Institute was created in 1983 to rigorously research, test and rate products to make the Best products available to our customers.
As an employee owned company, our customers are served by those with a vested interest in ensuring complete customer satisfaction.
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