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OK, we all know this…but for the record…a heat pump water heater (HPWH) uses electricity to transfer heat from the surrounding air to heat the water rather than using electricity to heat the water… Read More

One of the most iconic images that shaped my career in the early days was from Madelene Rousseau’s presentation at “”Building Science Insight: ’83”…Humidity, Condensation and Ventilation in Houses…… Read More

Structural Insulated Panel Systems (SIPS) are prefabricated building panels consisting of plastic foam cores sandwiched between two skins, typically oriented strand board (OSB) or plywood (Figure 1… Read More

Garages were once easy to deal with.  Their function was to store a vehicle.  Not anymore.  Garage space is becoming too valuable for just vehicle storage.  They are becoming part… Read More

Below grade water management is necessary for all below grade spaces.  Yes, we were here before (BSI-125: Concrete Basement Foundations – July, 2021), but we covered only two approaches – the… Read More