Raccoon Removal for HVAC Units and AC Ducts
Rooftop HVAC units, exhaust vents, and exposed AC ductwork are irresistible shelters for raccoons, not just in winter, but throughout the year, offering shade, water, or shelter for nesting. This is a critical issue for both commercial tenants and homeowners, with raccoons in HVAC units and AC ducts causing business interruptions, increased energy costs, and serious health concerns.
The types of properties affected by raccoons in rooftop ventilation units include residential homes, apartments, multi-unit buildings, offices, retail, and industrial facilities.
Why Raccoons Select HVAC and AC Ductwork
The Perfect Shelter
With HVAC/AC units mimicking a hollow tree, they offer a rare combination of warmth during the winter months), shade and insulation in hot summer temperatures, and security from predators.
The "AC Duct"-Highway
Raccoons take advantage of flexible ductwork, ventilation shafts, and exposed piping to move undetected into the unit's base or, critically, into the building's air supply system.
Common Entry Points (Specific to Modern/Older Systems):
- Unsealed Conduit/Pipe Penetrations
Gaps where refrigerant lines or electrical conduits enter the unit base or roof can be exploited.
- Loose Access Panels
Panels or hatches on the rooftop unit (RTU) that are degraded, unlatched, or only lightly screwed down can provide easy access.
- Damaged Intake/Exhaust Vents
Raccoons can pull back or chew through plastic or thin metal grates covering air vents on commercial roofs or residential wall/soffit units.
- Condensate Drains
Seeking water, raccoons damage drain lines or pans.
Signs of Raccoon Infestation in HVAC Units or Ducts
- Unusual scratching or thumping noises inside units or ducts;
- Strong musky odour from feces or urine;
- Visible damage to wires, insulation, or duct seams;
- Reduced airflow or sudden system malfunction;
- Nighttime rooftop activity or tracks in snow near units;
- Residential-specific signs: attic or basement vents showing raccoon droppings or damage.
Read more: Raccoon Removal for HVAC Units and AC Ducts