Systems Unlimited, Inc
Plans called for the construction of a new 33,000 square foot service center for Systems Unlimited Incorporated, an organization serving the needs of the developmentally disabled in a 29 county, 45 city area. The building was planned with staff and consumer input, and entailed job training and family services support on ground level, counseling and supported living functions on level two.
- Systems Unlimited, Inc.
- 2533 S. Scott Blvd.
- Iowa City, IA 52240
- Area: 33,000 ft2
- Cost of Construction: $5,270,000
Sustainable Elements

Elements
Some of the key strategies/elements in this project are: super insulation, heat recovery, enhanced indoor air quality, daylighting, and water conservation. An innovative combination of geothermal source, dedicated outdoor air, and radiant heating and cooling provides superior energy conservation.
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Site
- Provide bicycle storage, showers and changing rooms to encourage the use of alternative transportation.
- Reduce site disturbance; maintain open space.
- Manage storm water rate, quantity and treatment.
- Reduce heat island effect: minimize building footprint, reduce area of paved surface, increased ground cover, high albedo concrete, high emissivity roofing.
- Reduce environmental light pollution: design and location of windows, shielded and full cut off exterior luminaries.

Water Efficiency
- Use no potable water for landscaping.
- Reduce water use by 30%: low gallon per flush water closets and urinals, electronic flush & faucet sensors, low flow shower heads.

Energy and Atmosphere
- Optimize energy performance, innovative hybrid HVAC combining geothermal loop field, heat pumps, radiant panels for heating and cooling, variable speed motors and heat recovery units.
- Increase thermal resistance (R value) at building envelope, eliminate thermal breaks, increase wall and roof insulation.

Material and Resources
- Reduce ozone depletion, no materials or substances with CFCs, HCFCs or Halons.
- Recycled content, specify materials so that sum of recycled equals at least 10% of total values of all building materials.
- Local/regional materials use minimum of 20% of building materials and products manufactured within 500 mile radius.

Indoor Environmental Quality
- Meets ASHRAE ventilation requirements 62-1999.
- Zero exposure to tobacco smoke.
- Carbon monoxide monitoring.
- Air change effectiveness greater than 0.9 per ASHRAE 129-1997.
- Construction indoor air quality management plan.
- Low emitting materials, low VOC content in paints, carpet, composite woods.
- Control indoor chemicals and pollutant source: walk off mats, separate and ventilate areas where chemical use occurs.
- Indoor environmental quality: thermal comfort complies with ASRAE 55-1992.
- Daylighting: daylight factor of 2% in 75% of all space occupied for critical visual tasks.