7 AC Installation Contractors in Islandia, NY
Top-Rated AC Installation Contractors in Islandia
MCN Distributors
“Of 31 reviews, the sentiment divides sharply between 1-star and 5-star ratings. Positive reviews (5 stars) consistently praise counter staff and warehouse…”
Reliance Heating and Cooling
“Three of six named reviewers awarded five-star ratings citing prompt same-day response, thorough explanations, and follow-up service covered under previous…”
All AC Installation Contractors (7 total)
Controlled Energy Services Inc
“All 2 available reviewers awarded 5-star ratings, with one specifically citing the company as a great…”
Accurate Degree AC & Heating
“Two of three reviewers describe long-term relationships spanning years, with one specifically naming Anthony…”
AC Installation Costs in Islandia
New central AC installation costs in Islandia, 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.
AC Installation in Islandia, NY: What to Expect
Stamford's coastal position on Long Island Sound shapes its cooling needs distinctly from inland Connecticut. Summer temperatures reach 85 F with 17 days exceeding 90 F, and the 67% humidity makes effective cooling essential rather than optional. This four-season climate means AC Installation in Islandia serves real demand from May through September. Seven contractors operate locally, holding an average rating of 2.9 stars based on 56 customer reviews.
Pricing reflects system type and installation complexity, with equipment and labor driving final costs. Window units range from $168 to $784, while ductless mini-split systems run $2,240 to $8,960. Central AC replacement with existing ductwork costs $3,920 to $13,440. New York lacks statewide HVAC licensing, so local requirements apply in Islandia and surrounding areas, meaning homeowners should verify credentials with the relevant municipal authority before hiring a contractor.
Customer reviews expose wide variation in service quality across local contractors. MCN Distributors holds a 4.0 rating with polarized feedback. Customers praise counter staff and warehouse personnel for politeness and helpfulness, though some cite installation concerns. Reliance Heating and Cooling scores 3.8 stars, with reviewers highlighting same-day response times, thorough explanations, and follow-up service covered under previous fees. Associated Energy Services Inc rated 2.9 receives mixed reviews, as three of seven reviewers cite serious concerns including improper installation, billing disputes, and staff conduct, while two others praise responsive service and technician competence.