Air conditioning system type
Categorizes the property's air conditioning equipment (e.g., central, window unit, evaporative, none). Known or imputed for 39.1 million addresses — 33.0% of the addresses Faraday knows.
At a glance
- Coverage today
- 33.0%
- Typical coverage
- 32.4%
- Addresses with a value
- 39.1M
- Share in largest category
- 79.4%
- Most values come
- from the address
- Latest collection
- May 1, 2026
How the categories split
n = 39,088,860Share of addresses in each category. 22 categories, of which the 20 largest are shown, with 79.4% in the largest.
Every category
22 categoriesThe chart above draws the 20 largest. Search here for one it does not.
- CENTRAL - central79.37%31,025,722 addresses
- CENTRAL - split system4.87%1,901,931 addresses
- REFRIGERATION - refrigeration4.59%1,796,124 addresses
- NONE - none3.06%1,196,675 addresses
- PACKAGE - package1.99%776,788 addresses
- EVAPORATIVE - evaporative1.21%471,685 addresses
- SPECIALTY - separate system1.05%410,954 addresses
- SPECIALTY - heat pump0.68%265,409 addresses
- SPECIALTY - dual unit0.67%261,561 addresses
- WALL/WINDOW - window unit0.63%247,634 addresses
- CENTRAL - central & unit0.61%238,944 addresses
- EVAPORATIVE - fan cooling0.46%181,334 addresses
- WALL/WINDOW - wall unit0.38%148,033 addresses
- WALL/WINDOW - wall and window unit0.29%111,546 addresses
- PACKAGE - package roof0.06%23,403 addresses
- SPECIALTY - solar0.02%9,294 addresses
- REFRIGERATION - chilled water0.02%7,613 addresses
- SPECIALTY - partial0.01%5,064 addresses
- SPECIALTY - commercial a and c0.01%4,346 addresses
- REFRIGERATION - refrigeration and evaporation0.01%3,123 addresses
- CENTRAL - central partial0.00%1,497 addresses
- SPECIALTY - office only0.00%180 addresses
Category shares over time
CENTRAL - central79.4% (largest)The 5 largest categories, each followed across 12 collections. Estimated from a 1% sample of addresses.
Coverage
Latest collection: 98,683,954 addressesCoverage by state
Percentage of addresses in each state with a value.
Coverage over time
33.0% todayShare of addresses holding a value at each monthly snapshot. A value carries forward for one year.
How we arrive at a value
Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.
- On the person — 0%
- Not used for this attribute — no value is inherited this way.
- From address — 100%
- Carried from what we know about the household at their address.
- From geography — 0%
- Not used for this attribute — no value is inherited this way.
Coverage, in context
Where 33.0% sits on the catalog’s own coverage range.
Higher coverage than 49% of address-level attributes in the catalog
Freshness
How recently this was collected, and how often a new collection arrives. Each bar is the number of addresses in that collection. Gaps are real — collection is periodic, not continuous.
Change between collections
The share of addresses whose category changed.
of addresses changed value between the two most recent collections — 955.3× steadier than the catalog median of 13.5%.
Contribution ledger
17 ingestions
1 authority contributed since Jul 2023.
| Observed | Ingested | Count | ID |
|---|---|---|---|
| 2026-05-01 | 2026-07-01 | 125,639,012 | f9d55800… |
| 2026-04-01 | 2026-07-01 | 121,548,788 | 178f88a6… |
| 2026-03-01 | 2026-07-01 | 72,154,489 | a1e715b0… |
| 2026-02-01 | 2026-07-01 | 121,865,620 | b70b01b3… |
| 2026-01-01 | 2026-07-01 | 120,035,058 | 2786571a… |
Technical details
- API name
- air_conditioning_system_type
- Category
- fig/property
- Type · unit
- Text
- Statistical type
- nominal
- Allowed values
- null
- Derivations
- Unspecified
- Directionality
- null
- Deprecation
- false
In a payload
{
"attributes": {
"air_conditioning_system_type": "CENTRAL - central"
}
}