Sources
HomeFix uses public safety, consumer and building-performance guidance for general decision boundaries. Local codes, permits and licensed-trade rules remain authoritative for a specific property.
U.S. Environmental Protection Agency — moisture and mold
EPA moisture and mold guidance supports the principle that moisture source control comes before cosmetic treatment and that contaminated-water cleanup can require experienced professionals.
U.S. Consumer Product Safety Commission — electrical safety
CPSC electrical-safety guidance supports conservative boundaries around damaged wiring, overheated devices and electrical hazards.
ENERGY STAR — heating and cooling
ENERGY STAR HVAC maintenance guidance is used to distinguish ordinary user maintenance from technician checks and system service.
Government of Canada — Office of Consumer Affairs
Home renovation consumer guidance provides current Canadian context for maintenance/repair, retrofit and renovation work.
Natural Resources Canada — home energy retrofits
Keeping the Heat In supports the whole-house view of insulation, air sealing, windows, doors and ventilation.
Related cost resource
For detailed repair-cost factors rather than repair-decision workflow, readers may use repaircosts.lifestuff.net. It is a separate publication and is not used as the authority for safety or code requirements.