HVAC & Mechanicals

A three-pronged solution to indoor pollution: Isolate, eliminate, and ventilate

Two fans talk to each other to replace stale air with fresh air

Houses cannot expand and contract with changes in pressure like balloons can. Instead, they need paths for air to balance the pressure

Keep mechanical equipment within the envelope to improve the quality of houses and homes

Condensation is when moisture in the air hits a cool enough surface to convert the vapor into water.

As houses are built tighter, they exchange less air between inside and outside. This saves energy, but the inside air can get stale if you don't have a fan and a plan

Stack effect is relentless: it is always working, when you’re awake or asleep, even during blackouts. And it feeds on itself.

Holes in walls amount to big walls full of holes unless you seal the hole after you make it

Direct the heat toward the feet