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Heat Transfer Through Windows
Do you really need that much window area? Too much glazing can result in energy inefficiencies and occupant discomfort.
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Can a Water Heater Last More Than 15 Years?
Two simple tasks can prolong a water heater's lifespan by decades
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Grilles, Registers, and Diffusers Part 3: Supply Air Outlets
Properly sized and located supply outlets will maximize airflow and contribute to an HVAC system's longevity
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Cooling Load Variation With Changing Temperatures
A look at how cooling loads vary as outdoor and indoor temperatures fluctuate with considerations around humidity to inform HVAC design and equipment selection
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5 Tips for Sizing an Air Conditioner
Determine cooling loads and consider variables like insulation values, airtightness, and occupant behavior before choosing equipment
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Determining Heat Pump Capacity
A step-by-step guide for taking field measurements to assess a system’s heating and cooling capabilities and performance
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Training for the Trades, Part 5
An anecdotal report from the Westford Symposium on Building Science, aka Building Science Summer Camp
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Geothermal Heat Pumps: Reputation vs. Reality
An analysis of energy savings and financial return on investment in ground-source heat pump technology
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Undoing Previous Home Renovations
Dismantling earlier modifications made in an older home leads to the discovery and resolution of water and air leakage issues
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Blower Door Testing on a Small House
Because blower door tests measure surface area rather than volume, ACH50 results can be misleading. The CFM50 metric is more accurate for small homes.
