Positive Energy
Design Around People. A Good Building Follows.

Blog

Read more about a range of building science, engineering, and architecture topics on our company blog.

Posts tagged diffusers
Ductwork for a Retrofit ERV

We have had a number of customers ask for energy recovery ventilation (ERV) in their existing homes. Can we use the existing furnace ductwork? If not, what size and type of ducts can be used?

Read More
Mechanical Design, High Performance Homes, HVAC, Healthy Home, VentilationPositive EnergyEnergy recovery ventilation (ERV), existing home retrofits, furnace ductwork, indoor air quality, fresh air introduction, ventilation system strategies, hygrothermal gradient, dehumidifier, enthalpy exchange, dedicated duct system, balanced ventilation, fan performance, ventilation duct sizing, ERV/HRV collars, air handler's return plenum, air temperature sensor, system pressure, diffusers, bathroom fans, flue repurposing, ventilation importance, airtight assemblies, mechanical ventilation.