HVAC
FIBROUS GLASS INSULATED HVAC DUCT SYSTEMS
and how they provide .
- • Quiet, efficient air delivery
- • Improved indoor environmental quality
- • Cost-effective energy conservation
- • Enhanced occupant comfort
FIBROUS GLASS INSULATED HVAC DUCT SYSTEMS
Introduction
Fibrous glass has been used as thermal and acoustical
insulation in forced air heating, ventilating, and air
conditioning systems ever since these systems became
widely available following World War II. Today, fibrous
glass duct systems, duct liners, duct wraps, and
commercial insulation boards contribute to indoor
environmental quality (IEQ) and occupant comfort in
residential, commercial, industrial, and public buildings of
all kinds. These include homes, apartments, schools,
hotels, motels, medical facilities, theaters, shopping
centers, office and government buildings, factories, and
many other types of structures where occupant comfort
and indoor environmental quality are important criteria.
Fibrous glass insulation is used in air duct systems for four basic reasons
1 Temperature control - Delivery of heated or cooled air at
comfort levels suited to building occupancy requirements.
comfort levels suited to building occupancy requirements.
2 Acoustical control - Absorption of noise generated by
central air handling equipment and movement of air
through the ducts, as well as “cross-talk” carried by ducts
from one space to another.
3• Condensation control – Prevents condensation in or on
ducts when installed R-value recommendations are
followed, reducing the likelihood of moisture damage to
ceilings and other interior finishes.
4• Energy conservation - Reduction of HVAC system
operating costs by controlling heat loss or gain through air
duct walls, helping systems run more efficiently
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