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Energy Recovery Products
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All Energy Recovery Wheels Were Not Created Equal.

The EXCLU-SIEVE® retrofit system is a modular, all-aluminum, total energy recovery system that has been specifically designed to replace existing inefficient or inoperative “heat wheels.”

Early heat wheel designs were plagued by design problems. Some utilized a mesh media which plugged quickly and reduced system airflow. Others used paper that swelled at high humidities, failed mechanically and lost their desiccant surfaces, as did the early aluminum oxide medias. Many were made from asbestos, which is now known to impose a serious health hazard. All must be replaced.

Fortunately, there are strong economic incentives for the upgrading of such systems. An EXCLU-SIEVE retrofit can provide at least $1 / scfm of outdoor air requirement in annual energy savings even in a moderate climate. For a typical elementary school with 1,000 students, an EXCLU-SIEVE retrofit can achieve $20,000 in operating cost savings while meeting the outdoor air mandates of ASHRAE Standard 62, Ventilation for Acceptable Indoor Air Quality, at all times.

SEMCO's in-house design and installation experience with all other heat wheel systems assures a smooth running, trouble free installation. Our units are designed to provide long and reliable operation. As a statement of our commitment to quality, our wheels are available with an optional extended service contract to cover any unforeseen mechanical deficiencies or performance degradations.

With so much to be gained by an EXCLU-SIEVE retrofit, every existing heat wheel system should be carefully evaluated.

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1100 Peachtree Building (38 kB) pdf
Description: After 10 years, energy recovery still delivers for Atlanta building.

Cleveland Metroparks Zoo (106 kB) pdf
Description: Cleveland Metroparks Zoo's RainForest is a showcase for both animals and HVAC.

Coral Reef Yacht Club (66 kB) pdf
Description: Ventilation unit recovers energy while resolving smoking issues.

Georgia Institute of Technology (127 kB) pdf
Description: A desiccant-based system in place at a Georgia Institute of Technology dormitory is maximizing indoor air quality while minimizing energy consumption.

High-Performance Schools  (2248 kB) pdf
Description: High Marks for Energy Efficiency, Humidity Control, Indoor Air Quality & First Cost

Johns Hopkins School of Medicine (218 kB) pdf
Description: A desiccant system has improved air quality; halved cooling requirements, and reduced heating and humidification requirements by more than two-thirds at the Johns Hopkins School of Medicine.

Milwaukee Area Technical College (38 kB) pdf
Description: Milwaukee firing range uses desiccants to improve IAQ.

Northville High School (36 kB) pdf
Description: Wheels turning for energy savings at high school.

Red Wing High School (117 kB) pdf
Description: Equipment earns high grades.

Redi-Floors Inc (57 kB) pdf
Description: An office-warehouse owner virtually eliminated tobacco smoke and controlled other contaminants by retrofitting his building's ventilation system. Here's what he did - and why.

Report Card on Humidity Control (2271 kB) pdf
Description: Failing Grade for Many Schools.

SEMCO Pioneers Indoor Environmentalism (116 kB) pdf

The Family Arena (51 kB) pdf
Description: Missouri contractor uses heat wheels to cool arena.

The Heat Wheel: The New Lab Experiment (409 kB) pdf
Description: Energy efficiency, lower costs, and assurances of safety were key factors in Indiana University’s decision to use heat wheel technology in its new $20.8-million Professional and Medical Education Building in Gary, IN.

University of Miami Center for Tropical Parasitic Diseases (115 kB) pdf
Description: Air Exchanger Eliminates Cross-Contamination in Animal Lab.

Wizard's Sports Cafe (55 kB) pdf
Description: Sports Bar/Restaurant Clears the Air.
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