Real ChatGPT answer · index seedGLUaNKhHqnkcompleteHome services and improvement · HVACinformational

Is it cheaper to hire a professional service to clean out dirty air ducts or buy a DIY kit from Home Depot, and do dirty ducts really increase my heating costs that much?

ChatGPTgpt-62 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Is it cheaper to hire a professional service to clean out dirty air ducts or buy a DIY kit from Home Depot, and do dirty ducts really increase my heating costs that much?
2 real searches · 1 real-search pass
residential air duct cleaning cost average 2026 DIY duct cleaning kit price Home DepotGoogle ↗
OBSERVEDComparison
does dirty air ducts increase energy bills HVAC duct cleaning energy efficiency EPA DOEGoogle ↗
OBSERVEDConsequence

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.

ChatGPT real searches (2)
Short factOther / navigationalComparison50%Consequence50%ReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
residential air duct cleaning cost average 2026 DIY duct cleaning kit price Home Depot Google ↗
does dirty air ducts increase energy bills HVAC duct cleaning energy efficiency EPA DOE Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
residential air duct cleaning cost average 2026 DIY duct cleaning kit price Home Depot
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
does dirty air ducts increase energy bills HVAC duct cleaning energy efficiency EPA DOE
OBSERVED
Google ↗
AI Mode ↗
—Consequence——1x
of 1