Acremonium
Acremonium spp.
Also known as: Cephalosporium
Initially moist and yeast-like, developing powdery aerial hyphae over time
Acremonium at a Glance
Acremonium (Acremonium spp.) is a moderate-risk, opportunistic mold with moderate allergenic potential. It most often grows in hvac system drain pans and condensate lines, cooling coils and humidifier reservoirs, window sills with chronic condensation, and its primary health concerns are respiratory irritation, eye irritation, opportunistic infections in vulnerable populations. Confirmation requires laboratory analysis of collected samples — visual identification alone is not conclusive.
- Risk level
- Moderate
- Category
- Opportunistic
- Common growth locations
- HVAC system drain pans and condensate lines, Cooling coils and humidifier reservoirs, Window sills with chronic condensation, Bathroom grout and tile joints
- Primary health concerns
- Respiratory irritation, Eye irritation, Opportunistic infections in vulnerable populations
InspectaMold provides independent inspection and laboratory testing for Acremonium across Southeast Louisiana — assessment and documentation only. We do not perform remediation, so findings stay unbiased.
Gulf Coast Relevance: High
Frequently found in Louisiana and Mississippi Gulf Coast homes.
Appearance & Identification
Moist and powdery, becoming cottony with age
Small, slow-growing colonies with compact centers
Requires sustained moisture; often found at active leak sites
Growth Conditions
85-100%
0.90+ aw
59-86°F (15-30°C)
Common Growth Locations
Health Considerations
Mild respiratory irritation, Potential for hypersensitivity reactions, Nasal congestion
moderate
Elevated concern - can cause infections in immunocompromised individuals including fungal keratitis and systemic infections
Some species produce trichothecene mycotoxins; toxin production varies by species and environmental conditions
How Our Inspectors Detect It
Typically found in materials with >20% moisture content
- •Fiberglass insulation
- •HVAC components
- •Drywall near moisture sources
- •Ceiling tiles
- •Cold spots indicating condensation
- •Wet HVAC components
- •Thermal bridging at windows
Remediation Considerations
Remove and dispose of affected porous materials; insulation typically requires replacement
Clean with appropriate antimicrobial; HVAC components may require professional cleaning
Critical - address condensation and drainage issues before remediation
Frequently Asked Questions
Is Acremonium (Acremonium spp.) dangerous?
Acremonium is classified as a moderate-risk, opportunistic mold with moderate allergenic potential. Primary health concerns include respiratory irritation, eye irritation, opportunistic infections in vulnerable populations. Elevated concern - can cause infections in immunocompromised individuals including fungal keratitis and systemic infections A professional assessment determines the extent and the right response for your property.
Where does Acremonium grow in Gulf Coast homes?
Acremonium commonly appears in hvac system drain pans and condensate lines, cooling coils and humidifier reservoirs, window sills with chronic condensation, bathroom grout and tile joints. It thrives at 85-100% relative humidity with a water activity of 0.90+ aw, conditions that are common across humid Southeast Louisiana properties.
How do you identify Acremonium?
Initially moist and yeast-like, developing powdery aerial hyphae over time Colonies are typically white, gray, pink with a moist and powdery, becoming cottony with age texture. Subtle musty odor with slight chemical undertones Confirmation requires professional sampling and laboratory analysis rather than visual identification alone.
What does remediation of Acremonium involve?
Acremonium typically calls for standard containment. Remove and dispose of affected porous materials; insulation typically requires replacement Critical - address condensation and drainage issues before remediation InspectaMold documents the conditions and provides an independent protocol so the underlying moisture source is corrected, not just the visible growth.
Concerned about Acremonium in your property?
InspectaMold provides independent, lab-backed mold inspection and air quality testing across Southeast Louisiana. Get an accurate identification and a clear plan.