6 AC Installation Contractors in Setauket- East Setauket, NY
Top-Rated AC Installation Contractors in Setauket- East Setauket
A1 Heating and Air Conditioning
“All 168 reviews carry 5-star ratings, with multiple reviewers specifically naming technicians Gary, Tristjan, Ricardo, and Christian for their responsiveness…”
All Island Mechanical
“Twenty-five reviewers consistently praise technical competence and responsiveness. Five named technicians appear across feedback: Jeff, Brandon, and Rob handle…”
All AC Installation Contractors (6 total)
Island Aire
“Island Aire maintains a 4.8-star rating across 6 reviews. Both available reviews award 5 stars, with…”
Diamond Comfort Systems Corp
“The single available review awards 5 stars and comes from Shore Office Systems, praising the quick resolution…”
AC Installation Costs in Setauket- East Setauket
New central AC installation costs in Setauket- East Setauket, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $168 | $392 | $784 |
Ductless mini-split (single zone) | $2,240 | $5,040 | $8,960 |
Central AC replacement (existing ducts) | $3,920 | $7,280 | $13,440 |
Central AC new install (with ductwork) | $7,840 | $13,440 | $22,400 |
Carrier (residential) | $4,256 | $6,944 | $11,760 |
Trane (residential) | $5,600 | $9,856 | $15,232 |
Lennox (residential) | $3,920 | $7,280 | $13,440 |
Rheem (residential) | $3,584 | $6,160 | $10,080 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.