Brochure

9
Types of Installation
Fresh
Air In
Stale Air
Out
Fresh Air is supplied
to bedrooms and living
rooms
Stale/humid air is
exhausted from baths
and kitchen
The Best System:
Independent System
The Better System:
Exhaust at the source and
supply in the return
The Good System:
Exhaust and supply
in the return
The HR Series can be installed as independent systems that use dedicated ductwork, or they can be
connected to the existing duct of the forced air heating or cooling system. The “Best” and “Better” systems
meet the ASHRAE 62.2 Whole Building requirement when using an S&P HR control.
Fresh Air is supplied
to bedrooms and living
rooms through the
furnace
Stale/humid air is
exhausted from
baths and kitchen
Fresh
Air In
Stale Air
Out
Fresh
Air In
Stale Air
Out
Bathroom fans are required for
point source exhaust. S&P’s TD
Mixvent inline fan makes the
perfect choice.
Fresh Air is
supplied to
bedrooms
and living
rooms
through the
furnace
Stale/humid air is
exhausted from baths and
kitchen through the furnace
HR Installation Options
S&P Heat Recovery Ventilators (HRVs)
S&P Heat Recovery Ventilators (HRVs)