How long does a heat pump installation take in Philadelphia?
In Philadelphia, the typical finished heat pump installation took about 8 months (229 days) from permit to final inspection (538 finished of 564 permits issued from September 2022 to September 2024; 5% had no final inspection on record by September 2026).
The two steps
The numbers behind the chart
| Step | Median | Middle half | Permits | Permits issued |
|---|---|---|---|---|
| Permit to final inspection | about 8 months | about 4 months to about 12 months | 538 | September 2022 to September 2024 |
Heat pump installers with the most jobs in Philadelphia
| Rank | Contractor | Jobs | Contact |
|---|---|---|---|
| 1 | Sanks Mechanical | Get a quote | |
| 2 | Angel Heating & Cooling Inc | Get a quote | |
| 3 | A & G Heating and Cooling LLC | Get a quote |
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Why it takes this long
- 14% of finished jobs passed final inspection within 90 days of the permit.
- Of the 564 permits issued from September 2022 to September 2024, 26 (5%) had no final inspection on record by September 2026. They may still be under way, dropped or never inspected; the records do not say which. They are left out of the build time; any of them that finishes will have taken more than two years, so counting them would make the typical time longer.
- The permit wait is not shown: the city's permit data has no application date.
Days are counted between the dates on each city permit: permitissuedate, permitcompleteddate. Median and middle half: half of the jobs took longer than the median; the middle half runs from the 25th to the 75th percentile. A figure is shown only when it rests on 30 or more permits. Kinds of work are sorted by the same rules as our contractor lists. Source: Philadelphia Licenses and Inspections, Building and Zoning Permits (phl.carto.com permits), read 2026-09-24. The same figures as data: heat-pump.json.