Window & Wall
Thermal Performance

  • Group14 Engineering is an accredited National Fenestration Rating Council window simulation laboratory.
  • Determine U-Factor, SHGC and VT ratings of fenestration.
  • Determine U-values of wall and roof assemblies.
  • Evaluate condensation potential in walls, roof and fenestration.

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Denver, CO 80218
(303) 861-2070


135 East Atlantic Ave
Delray Beach, FL 33444

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