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• Project Type: HVAC Corrections & Installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 15,000 sqft of slab area
  • 3 Stories
• Radon Level (Pre-Project): 5.3 - 7
• Radon Level (Post-Project): 0.3 - 0.6

Converted tuberculosis hospital built in the 1920's. Eighteen-inch riser depressurizing abandoned steam tunnel, 2-horsepower belt driven centrifugal fan at 1 ½" wc moving 2500 cfm.

• Project Type: Design & installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 45,000 sqft of slab area
  • Three 6-story structures
  • Two radon systems
• Radon Level (Pre-Project): 4 - 75
• Radon Level (Post-Project): 0.3 - 0.9

• Project Type: HVAC Corrections & Installation
• Location: Portland, OR
• Specifications & Challenges:
  • 24,000 sqft of slab area (avg.)
• Radon Level (Pre-Project): 5 - 86 (avg.)
• Radon Level (Post-Project): 0.2 - 0.8 (avg.)

• Specifications & Challenges:
  • 3 stories
  • Basement/crawlspace

• Specifications & Challenges:
  • 3 stories
  • Slab on grade

• Project Type: HVAC Corrections & Installation
• Location: Athol, ID
• Specifications & Challenges:
  • 30,000 sqft of slab area
  • 1 story
  • Slab on grade/elevated slab
• Radon Level (Pre-Project): 15 - 200
• Radon Level (Post-Project): 0.6 - 2.5