You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right. Advanced residential construction and home improvement consulting and owner's advocacy in Atlanta, using the latest building performance diagnostic and modeling techniques and tools. Airtightness, insulation, HVAC, ventilation, moisture, and air quality and EMF consulting for homeowners and building professionals alike. Grace and Corbett Lunsford moved the Building Performance Workshop to Atlanta, Georgia to help homeowners get the advice, scientific testing, and home improvement consulting they need.