BPI HHP case studies
BPI HHP · Put your knowledge to work in context.
The Healthy Housing Principles (HHP) credential appears in BPI's published catalog of certificate programs, listed alongside Building Science Principles, Site Supervisor Certificate, Total Building Performance, and Cold Climate Air Source Heat Pump Assessor. This independent study page is not affiliated with, endorsed by, or sponsored by the Building Performance Institute, and it is not an official exam publication. The BPI HHP case studies are 5 cases and about 2,442 words.
1The Moisture-Bound Bedroom Wall
A couple in a 1970s single-story home complains of a musty smell and worsening morning congestion that clears by mid-afternoon at work. Their bedroom shares an exterior wall with a bathroom on the other side.
513 words, about 3 min2Ventilation Versus Filtration in a Tight Retrofit
A nonprofit is renovating a 900-square-foot two-bedroom apartment for a family with an asthmatic child. The building envelope is being air-sealed and insulated, dropping the blower-door reading from 12 ACH50 to 3 ACH50.
484 words, about 2 min3Lead Paint and a Failing Window
A landlord is preparing a 1920s duplex unit for a family with a toddler. A visual assessment finds deteriorated paint on the double-hung window sashes and troughs in the child's future bedroom.
477 words, about 2 min4The Cold Bedroom Over the Garage
A family in a two-story house reports that the bedroom over the attached garage is always 8°F colder than the rest of the upstairs in winter and feels damp in summer. The garage ceiling is insulated with fiberglass batts, but the family stores paint and a gasoline-powered mower there.
495 words, about 2 min5Choosing a Scope Under a Fixed Budget
A community health worker has $6,000 to improve one apartment for a client with chronic obstructive pulmonary disease and a mold allergy. The unit has: a bathroom fan that is noisy and rarely used, visible mold on the caulk and grout, a carpet in the bedroom, a kitchen exhaust hood that recirculates, a window air conditioner with a dirty filter, and a water stain on the ceiling from an old roof leak that was repaired last year.
473 words, about 2 min