A zero net energy (ZNE) building produces as much energy as it consumes annually. ZNE facilities combine superior energy efficiency with onsite renewable energy production. ZNE construction is achieved through an integrated design process emphasizing the team approach to achieving project objectives.
What Are Some Examples of ZNE Design Strategies?
Lighting, heating, and cooling are estimated to cost building owners between 54% and 71% of their total energy usage. Therefore, ZNE design focuses first upon increasing the energy efficiency of lighting, HVAC, and controls as well as
the building envelope. The second facet is to install onsite renewable energy sources, such as solar photovoltaic panels, to meet the additional energy needs of the building.
- Commonly Employed Technologies:
- Daylighting
- Heat Recovery
- Natural Ventilation
- Cool Roof
- Underfloor Air Distribution
- Rainwater Collection
- Wind Power
The collaborative process of achieving ZNE status does not end with the design team or even with construction. These buildings cannot achieve their goals without proper facility management and maintenance, as well as the education of the building occupants. Tenants must be encouraged to maintain low energy usage and be made aware of the building’s design features.
What Are the Benefits of ZNE Facilities?
- Superior comfort and indoor air quality for building occupants.
- Less operating costs and higher resale values for owners.
- Reduced carbon and greenhouse gas emissions.
The advantages of ZNE facilities are realized by building owners, occupants, and the environment. States are beginning to include ZNE building goals in their policies in an effort to make communities more energy independent. While it may be easier to imagine ZNE buildings operating in warmer climates, such as California or Florida, ZNE designs have been successfully constructed in colder climates like Massachusetts and Minnesota.
For questions about zero net energy design or how you may incorporate some of the technologies on your next project, contact a member of the BCH team. Our experience in LEED design and IPD can help your clients realize a greater return on investment.
BCH Mechanical has been a trusted name in Florida construction since 1976, delivering innovative design, high quality craftsmanship and excellent customer service. BCH capabilities include HVAC, plumbing, medical gas, piping, sheet metal, LEED, Design/Build, 3D-CAD/BIM coordination, and HVAC service. Visit BCH on the web: www.bchmechanical.com.