7 AC Replacement Contractors in Dedham, MA
Top-Rated AC Replacement Contractors in Dedham
Plumbing Solutions
“All 1,210 reviews carry 5-star ratings, with multiple reviewers specifically naming individual technicians who handled their repairs. Customers consistently…”
Best Chimney Services, Inc.
“Five reviewers specifically praise the team's handling of complex chimney rebuilds and liner installations, with one noting successful remediation of a leaning…”
All AC Replacement Contractors (7 total)
Roscia's Plumbing & Heating, Inc.
“Six of seven detailed reviews award five stars, praising professionalism, on-time arrival, and effective…”
T&U Air duct cleaning and Dryer vent cleaning of MA
“Twenty-four reviews yield a 4.3-star average, with five-star ratings citing Leonardo's thoroughness and…”
Boston Boiler & Furnace
“All six detailed reviews award five stars, with customers consistently praising same-day response times, fair…”
AC Replacement Costs in Dedham
Replacement costs for aging systems in Dedham. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $6,160 | $8,960 | $12,320 |
Central AC (4-ton, mid-efficiency) | $8,400 | $11,760 | $15,680 |
Central AC (5-ton, high-efficiency) | $10,640 | $14,000 | $17,920 |
Full HVAC system (AC + furnace) | $12,981 | $15,042 | $15,792 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,352 | $3,360 | $4,480 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Dedham, MA: What to Expect
Dedham experiences the full range of New England weather, with winter lows dipping to 22 F under snowy skies and summer peaks hitting 82 F in thick humidity. While heating dominates the heating season, those warm humid summers create genuine cooling demand that makes AC Replacement in Dedham a practical investment rather than a luxury. The Boston metro area maintains one of the most regulated HVAC markets in the country, and Dedham reflects that rigor through its contractor base: 7 active services holding an average rating of 4.7 across 1,547 combined reviews, with 2 offering around-the-clock availability.
Massachusetts requires HVAC contractors to hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman license from the Division of Professional Licensure, ensuring baseline professionalism across the market. Cost depends heavily on system sizing and efficiency. A basic 3-ton central AC runs $6,160 to $12,320, while a mid-efficiency 4-ton unit spans $8,400 to $15,680. High-efficiency 5-ton systems reach $10,640 to $17,920, with the wide ranges reflecting variations in installation complexity, equipment brand, and accompanying ductwork needs.
Customer feedback highlights consistent patterns beyond star ratings. Full Spectrum HVAC Service technicians like Mason, Gregory, and Chase earn repeated mention for same-day response and thorough explanations of proposed work. Plumbing Solutions maintains all 5-star reviews across 1,210 entries, with customers frequently naming individual technicians who handled their jobs. Best Chimney Services draws praise for handling complex rebuilds, including successful remediation of a leaning chimney over a century old. The thread across these reviews centers on technicians who communicate clearly and follow through on commitments.