-
Can a Water Heater Last More Than 15 Years?
Two simple tasks can prolong a water heater's lifespan by decades
-
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
-
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
-
5 Tips for Sizing an Air Conditioner
Determine cooling loads and consider variables like insulation values, airtightness, and occupant behavior before choosing equipment
-
Determining Heat Pump Capacity
A step-by-step guide for taking field measurements to assess a system’s heating and cooling capabilities and performance
-
Training for the Trades, Part 5
An anecdotal report from the Westford Symposium on Building Science, aka Building Science Summer Camp
-
Geothermal Heat Pumps: Reputation vs. Reality
Data-backed analysis of energy savings and financial return on investment of ground-source heat pump heating and cooling reveals a system that doesn't stand up to the claims that it makes good sense in residential applications
-
Undoing Previous Renovations Reveals Problem Areas
Dismantling earlier modifications made in an older home leads to the discovery and resolution of water and air leakage issues
-
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.
-
Grilles, Registers, and Diffusers Part 2: Return Air Pathways
Solutions to avoid pressurization problems related to closed interior doors
