Real ChatGPT answer · index seed2vKaDutkjgwcompleteHome services and improvement · HVACcomparison

What are the most effective ultraviolet germicidal irradiation system specs for preventing mold growth inside rigid fiberglass ductwork in a humid southern climate?

ChatGPTgpt-63 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
What are the most effective ultraviolet germicidal irradiation system specs for preventing mold growth inside rigid fiberglass ductwork in a humid southern climate?
3 real searches · 1 real-search pass
ASHRAE UV-C surface irradiation mold prevention HVAC duct fiberglass duct board UV degradation 254 nm guidanceGoogle ↗
OBSERVED
EPA mold moisture control HVAC ducts fiberglass duct board UVGI guidanceGoogle ↗
OBSERVED
CDC ultraviolet germicidal irradiation HVAC 254 nm dose surface irradiation fungal spores ductGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
ASHRAE UV-C surface irradiation mold prevention HVAC duct fiberglass duct board UV degradation 254 nm guidance Google ↗
EPA mold moisture control HVAC ducts fiberglass duct board UVGI guidance Google ↗
CDC ultraviolet germicidal irradiation HVAC 254 nm dose surface irradiation fungal spores duct Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
ASHRAE UV-C surface irradiation mold prevention HVAC duct fiberglass duct board UV degradation 254 nm guidance
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
EPA mold moisture control HVAC ducts fiberglass duct board UVGI guidance
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
CDC ultraviolet germicidal irradiation HVAC 254 nm dose surface irradiation fungal spores duct
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1