Andersen. Energy Star–rated 100 Series windows, available in the West, recently achieved Scientific Certification Systems certification. The windows are made with Fibrex, a sawdust-polymer composite that includes some materials reclaimed from the company’s manufacturing operations. A range of efficient glass options is available. 800.426.4261.

Integrity Block. Engineered from a soil composite and using 50% pre-consumer recycled content, Integrity Block landscape blocks require 40% less energy to manufacture and emit 39% less CO2 versus traditional concrete blocks, says the firm. They install in the same manner as traditional blocks and meet the same performance standards. Four colors are available. 650.641.3104.