5 AC Replacement Contractors in Stoneham, MA

3.9 avg rating
420 total reviews
Need emergency service? 2 HVAC providers in Stoneham offer 24/7 availability

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Top-Rated AC Replacement Contractors in Stoneham

#1

EML Mechanical

5.0(168 reviews)
Highly Rated

All 167 reviews award 5 stars, with technicians Marcus, Eddie, and Sam named across multiple accounts. Customers consistently highlight same-day response…

28 Pine St, Stoneham, MA 02180
#2

Frontier Air HVAC in Stoneham MA

5.0(114 reviews)
Highly Rated

All seven detailed reviews award 5 stars, with four specifically noting same-day or next-day response times. Five reviewers mention Tony Antone by name,…

92 William St #3, Stoneham, MA 02180
#3

Accutemp Engineering LLC.

4.8(123 reviews)
Highly Rated

All 123 reviews award 5 stars, with consistent praise for same-day response, transparent pricing, and courteous technicians who explain repairs clearly.…

100 Maple St Building b, Stoneham, MA 02180

All AC Replacement Contractors (5 total)

Concept Equipment Corp.

4.9(15)

Four of eight reviewers specifically mention same-day or emergency service. The most common thread across…

10 Spencer St, Stoneham, MA 02180

Sila Heating, Air Conditioning, Plumbing & Electrical

0.0

All five reviewers gave five-star ratings, with four specifically mentioning same-day or emergency response…

12 Oakland Ave #4, Stoneham, MA 02180

AC Replacement Costs in Stoneham

Replacement costs for aging systems in Stoneham. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
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 threshold50% 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 Stoneham, MA: What to Expect

Stoneham’s position in the Boston metro means homeowners face cold, snowy winters and humid, warm summers that place real stress on HVAC systems. That seasonal swing creates steady demand for ac-replacement Stoneham services as aging systems struggle to handle both heating and cooling loads. Five contractors serve the town, averaging a 3.9 rating across 420 reviews, underscoring varied experiences.

Clear cost breakdowns for top replacement items aren’t available in the supplied data, but residents should expect pricing to reflect unit capacity, SEER rating, ductwork changes and any required electrical upgrades. Massachusetts requires installers to hold a Refrigeration Technician License plus a Sheet Metal or Pipefitter journeyman/master license from the DPL, so factor verified credentials and permit management into bids as well as equipment and labor.

Customer highlights weren’t provided, but the region’s marketplace suggests you’ll find a mix of reliable work and uneven follow-through given the 3.9 average. No contractors in town advertise 24/7 service, so prioritize contractors who document warranties, demonstrate permit experience, provide written estimates, and can show recent job references or photos before committing to a replacement.

Frequently Asked Questions

AC replacement in Stoneham runs $2,352-$17,920 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.