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Floor cracks sealed and air balanced the HVAC system to reduce radon levels.

• Project Type: HVAC Corrections and Installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 24" concrete buried cold air return
  • Existing cold air return abandoned and used as sump
  • Cold air return moved above grade
• Radon Level (Pre-Project): 6 - 45
• Radon Level (Post-Project): 0.3 - 0.7

• Project Type: HVAC Corrections & Installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 4,000 sqft of slab area
  • 1 story
• Radon Level (Pre-Project): 4.8 - 28
• Radon Level (Post-Project): 1.2 - 1.5

• Project Type: Design & Installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 10,000 sqft of crawl space
  • 2 stories
• Radon Level (Pre-Project): 4 - 7
• Radon Level (Post-Project): 0.3 - 0.8