8 AC Replacement Contractors in Newton, MA

3.9 avg rating
974 total reviews4 offer 24/7 service
Need emergency service? 11 HVAC providers in Newton offer 24/7 availability

Top-Rated AC Replacement Contractors in Newton

#1

Accurate Baker Elman

4.9(620 reviews)
24/7 Highly Rated

Seven recent reviewers award perfect 5-star ratings, with multiple clients specifically praising same-day responsiveness and transparent communication about…

671 Saw Mill Brook Pkwy, Newton, MA 02459
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#2

Full Spectrum HVAC Service

4.9(122 reviews)
24/7 Highly Rated

Every review across the dataset assigns a perfect 5-star rating, with customers specifically naming Cameron and Malachi for their professionalism and technical…

348 Walnut St, Newton, MA 02460
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#3

Unified HVAC Service

4.8(104 reviews)
24/7 Highly Rated

All 97 reviewers award 5 stars, with multiple customers specifically citing the company's 24-hour availability as their reason for choosing Unified HVAC after…

1199 Walnut St, Newton, MA 02461
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All AC Replacement Contractors (8 total)

Low Cost Garage Door Repair

4.7(93)
24/7

87 of 93 reviews contribute to the 4.7-star rating. Positive feedback cites fast arrival and professional…

42 Greylock Rd, Newton, MA 02465
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ILIEV ELECTRIC

5.0(14)

Fourteen clients awarded perfect 5-star ratings, with nine explicitly mentioning fair or competitive pricing.…

68 West St, Newton, MA 02458
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R P Holmes Corporation

4.0(19)

Two of four detailed reviews reference extended positive relationships spanning two to three decades, with…

97 Border St, Newton, MA 02465
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Panza Plumbing & Heating

3.0(2)

One reviewer awarded 5 stars for boiler replacement during a cold snap, praising same-day estimate and…

857 Watertown St, Newton, MA 02465
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Tetra

0.0
22 Ober Rd, Newton, MA 02459
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AC Replacement Costs in Newton

Replacement costs for aging systems in Newton. 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 Newton, MA: What to Expect

Newton's climate sits within the Boston metro area, where winter lows drop to 22 F and summer heat climbs to 82 F with real humidity. Heating naturally dominates seasonal demand, but those sticky summer weeks create genuine cooling loads that make reliable AC essential rather than optional. Eight contractors serve this market with an average rating of 3.9 across nearly a thousand reviews, and half offer around-the-clock availability. That matters when a system fails on a July night and the temperature inside starts climbing.

Replacing a central AC unit represents a significant investment. A basic 3-ton system runs $6,160 to $12,320, while a mid-efficiency 4-ton unit costs $8,400 to $15,680. High-efficiency 5-ton models reach $10,640 to $17,920. Massachusetts law adds another layer to this decision: contractors must hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman or master license from the state's Division of Professional Licensure. That dual credential means customers are hiring professionals who have demonstrated competency across multiple trades, not just someone with a truck and a toolbox.

Customer feedback points to clear differences in service quality. Accurate Baker Elman earns consistent praise for same-day responsiveness and transparent communication about costs and procedures, with technicians like Frank specifically mentioned for their approach. Full Spectrum HVAC Service maintains a perfect 5-star rating across every review, with customers naming Cameron and Malachi for their professionalism and willingness to explain technical details. Unified HVAC Service, with 97 five-star reviews, stands out primarily for its 24-hour availability, a factor that drove many customers to choose them after other contractors failed to respond.

Frequently Asked Questions

AC replacement in Newton 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.