Across 334 permits filed since 2025-04-30, the median is $18,000; half of projects fall between $10,000 and $34,675. Figures are permit valuations reported to building departments. National cost guides answer this question with averages from other markets; these numbers are what homeowners in New Haven, CT actually reported when they pulled permits.
Recent filings
- Install new HVAC equipment, ductwork, piping, and low voltage temperature controls per plans and specs.City of New Haven · 2026-10-29$1,134,000
- We are installing 1-indoor ductless 18k btu Innovair QHW18H2UZRA head with a safety overflow water protection devices. We are also installing 1-outdoor Innovair heat pump 18k btu QOS18H2BM5ACity of New Haven · 2026-10-28$9,284
- Replacement of a 3 ton heat pump system, new split fujitsu unit for garage studioCity of New Haven · 2026-10-27$18,000
How to read these numbers
Permit valuations are the project cost the applicant reports to the building department. They skew slightly low — nobody rounds up for the permit fee — and scope varies, so the middle-half range is the honest picture: half of all hvac / central air permits in New Haven, CT came in between $10,000 and $34,675. We exclude permits under $1,000, jobs filed as whole-house construction, and counties whose building departments don't reliably report valuations.
Same project, other places
HVAC / central air in New JerseyHVAC / central air in New YorkHVAC / central air in ConnecticutHVAC / central air on Long Island