Home air conditioning unit: AC Unit Spec Price Index

Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2).

9 of the 27 named sources that could be read published a usable figure; 18 published none and are recorded as not published, never filled in; 0 could not be read (blocked, dead or unreachable) and count nowhere.

The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source in GBP (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 235 candidate sentence(s) were refused by a reviewer with the reason recorded.

The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): one row per model on sale in the UK: price, cooling capacity in BTU and kW, noise in dB, energy class, refrigerant, room size the maker claims and whether it vents through a hose, a through-wall pair or not at all - joined across every seller that lists it, so the index computes what no retailer publishes: PRICE PER 1,000 BTU by unit type, the cheapest published price per model across sellers and the spread between them, the dB-at-BTU curve that answers 'quiet portable air conditioner', the share of the catalogue that is genuinely a heat pump rather than an evaporative cooler (the 'without hose' searches, 12,000/mo, are largely asking for a machine that does not exist as an air conditioner), and price movement week by week through a heatwave

235 candidate sentences on these pages were refused by a reviewer; each refusal and its reason is recorded in the review ledger.