Comfort 
IN BUSINESS AS BUILDING SCIENCE INC SINCE 1991
Neil Sullivan – Credentialed and practicing since 1986
- BPI Certified Building Analyst, # 108185
- BPI Certified Building Shell Specialist, # 5009448
- Home Energy Rater, RESNET # 9022
- EPA Energy Star Consultant
- ENERGY STAR partner since 2005
- Virginia Class “A” Contractor, # 2705035274
- Master Mechanical Contractor, #2710035237
- 203k Consultant HUD #P0870
James McKenzie – Weatherization Specialist since 2002
- BPI Certified Building Analyst, # 5026697
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