7 AC Installation Contractors in Dedham, MA

4.9 avg rating
1,468 total reviews2 offer 24/7 service
Need emergency service? 5 HVAC providers in Dedham offer 24/7 availability

Top-Rated AC Installation Contractors in Dedham

#1

Plumbing Solutions

4.9(1,210 reviews)
24/7 Highly Rated

All 1,210 reviews carry 5-star ratings, with multiple reviewers specifically naming individual technicians who handled their repairs. Customers consistently…

5 Business St, Dedham, MA 02026
Call
#2

Pro Heating & Cooling

5.0(74 reviews)

Every reviewer awarding 5 stars specifically names Sean or mentions the install crew, with multiple customers highlightingfair pricing relative to competing…

10 Sanderson Ave, Dedham, MA 02026
Call
#3

Full Spectrum HVAC Service

4.8(84 reviews)
24/7

All three featured reviewers award 5 stars, with each naming specific technicians (Mason, Gregory, Chase) who handled their jobs. Two reviewers mention…

412 Washington St, Dedham, MA 02026
Call

All AC Installation Contractors (7 total)

Boston Ductless Systems

4.9(41)

Reviewers consistently praise the contractor for honest recommendations that avoid upselling, with one client…

12 Corbett Ave, Dedham, MA 02026
Call

Gassco Inc

4.7(43)

Forty-three reviews aggregate to a 4.7-star rating, with three customers awarding five stars and specifically…

23 River St, Dedham, MA 02026
Call

Boston Boiler & Furnace

4.7(12)

All six detailed reviews award five stars, with customers consistently praising same-day response times, fair…

24 Riverdale Rd, Dedham, MA 02026
Call

Blue Heating and Ac Dedham

5.0(4)

All four reviewers awarded perfect five-star ratings, with three specifically naming technicians (Nate) and…

26 Bryant St, Dedham, MA 02026
Call

AC Installation Costs in Dedham

New central AC installation costs in Dedham, by system type and brand.

ServiceLowAverageHigh
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 Dedham, MA: What to Expect

Living thirty minutes outside Boston, Dedham residents experience all the variability New England weather delivers. Winter lows dip into the twenties under snow blankets, yet July and August bring humid eighty-degree days that send homeowners scrambling for cooling relief. That summer heat spike creates real demand for professional ac installation in Dedham. Seven contractors serve this suburb, averaging a 4.2 rating across 252 reviews, with two offering around-the-clock availability for emergencies.

Massachusetts imposes rigorous licensing requirements on anyone performing air conditioning work. Contractors must hold a Refrigeration Technician License plus either a Sheet Metal or Pipefitter journeyman or master credential from the state Division of Professional Licensure. Window units run roughly $168 to $784, while a single-zone ductless mini-split costs between $2,240 and $8,960. Replacing an existing central AC system runs $3,920 to $13,440, with final pricing depending on home size, equipment selection, and labor complexity.

Reviewers highlight consistent themes across the better-rated shops. At Pro Heating & Cooling, every five-star comment names Sean or describes the install crew and notes fair pricing compared to competing quotes. Full Spectrum technicians like Mason, Gregory, and Chase draw repeated mention, with customers praising same-day or emergency response times. Boston Ductless Systems earns recognition for honest sizing recommendations that avoid unnecessary upselling, helping homeowners spend only what the job requires.

Frequently Asked Questions

New AC installation in Dedham costs $168-$22,400 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.