ATEK has been involved with numerous Gold and Silver building certifications under leadership in Energy and Environmental Design or LEED. LEED provides a detailed set of standards for environmentally sustainable design, construction and operation of buildings.

LEED design and construction criteria include:

• Ecologically sustainable materials
• High-efficiency operation systems
• Use of natural light
• Heat gain/loss efficiency
• Efficient space utilization
• Recycling/salvage of on-site materials.
• Long-term maintenance cost
• Minimal landscaping maintenance

Examples of ATEK's participation in LEED buildings are:

• PLC
• Westmount Junior High School
• West Calgary High School
• Red Deer Civic Yards
• Red Deer Regional Hospital
• Red Deer College