BPI HHE case studies
BPI HHE · Put your knowledge to work in context.
The Healthy Home Evaluator (HHE) is one of the certifications listed by the Building Performance Institute, Inc. (BPI), a non-profit that describes its mission as advancing the home performance industry through nationally recognized standards and credentials aimed at homes that are comfortable, healthy, safe, durable, and energy efficient. The BPI HHE case studies are 5 cases and about 3,786 words.
1Winter Condensation on the North Wall of a Tightened House
A 1962 single-story ranch was air-sealed and insulated eight months ago. Attic air sealing was completed, R-49 blown insulation was installed, and the rim joists were sealed with two-part foam.
794 words, about 4 min2Carbon Monoxide Complaint in a Home With a Sealed Mechanical Room
A family of four reports headaches, fatigue, and nausea that improve on weekends away. Their home has an atmospherically vented natural gas furnace and a natural gas water heater in a utility closet with a solid-core door and no dedicated combustion air opening.
799 words, about 4 min3VOC Symptoms After a Floor Refinish in a Home With a Pregnant Occupant
A homeowner had 900 square feet of oak flooring sanded and refinished with an oil-modified polyurethane three weeks ago. Since then, a pregnant occupant reports headaches, eye irritation, and a persistent solvent odor in the bedrooms.
745 words, about 4 min4Crawlspace Vapor Barrier Retrofit in a Humid Climate
A 1978 house in a hot-humid climate has a vented crawlspace with fiberglass batts between the floor joists, kraft facing up. The homeowner complains of musty odors, cupped hardwood floors, and high summer electric bills.
698 words, about 3 min5Radon Mitigation Design for a Slab-on-Grade Home With a Sump
A slab-on-grade home tested at 5.8 pCi/L on a short-term test in a basement bedroom that is used as a guest room. The home has a sump pit in the mechanical room with a loose-fitting lid, a floor drain, and visible shrinkage cracks in the slab.
750 words, about 4 min