5 AC Repair Contractors in Westborough, MA

4.3 avg rating
948 total reviews4 offer 24/7 service

Top-Rated AC Repair Contractors in Westborough

#1

CPS Heating & Cooling

4.9(804 reviews)
24/7 Highly Rated

Two positive reviews reference same-day emergency response, with one specifically naming technician Samuel. Another five-star review describes a fifteen-year…

21 Brigham St, Westborough, MA 01581
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#2

PureComfort Heating & Air Conditioning

4.8(89 reviews)
24/7

Every reviewer awarded 5 stars, with specific technicians named across multiple positive mentions. John appears in reviews for furnace repair and diagnostic…

1319 Union St, Westborough, MA 01581
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#3

Elephant Energy

4.5(37 reviews)

Three of four detailed reviews mention specific technicians by name, with two highlighting successful issue resolution after initial system problems. One…

1 Research Dr #105B, Westborough, MA 01581
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All AC Repair Contractors (5 total)

Aalanco Service Corporation

3.8(12)
24/7

Six of eight HVAC-relevant reviews rate 4 or 5 stars, with positive feedback citing emergency response and…

80-B Turnpike Rd, Westborough, MA 01581
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Bourn Plumbing & Heating INC

5.0(3)
24/7

All three reviews award perfect 5-star ratings, with customers specifically praising fair pricing,…

10 Sherburne Rd, Westborough, MA 01581

Five Stars HVAC Services Inc.

2.7(3)

Three reviews yield a 2.7-star average, with negative feedback focused on unfinished projects and property…

506 Windsor Ridge Dr, Westborough, MA 01581
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AC Repair Costs in Westborough

Typical repair costs for Westborough homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Repair in Westborough, MA: What to Expect

Westborough residents experience Boston's climate swing from 22 F winter lows to sticky 82 F summer peaks, and while heating dominates the heating season, the humid summer heat makes reliable cooling essential. Five contractors serve this area, collectively holding a 4.3 average rating across nearly 950 reviews, with four offering around-the-clock availability. AC Repair in Westborough becomes particularly urgent during heat waves when a failed compressor or refrigerant leak leaves homeowners uncomfortable in their own homes.

Massachusetts requires HVAC technicians to hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman credential from the state Division of Professional Licensure, reflecting the technical demands of working with modern systems. Service costs in this market include diagnostic calls ranging from $83 to $220, refrigerant recharge for R-410A systems priced between $165 and $770, and capacitor replacement running $132 to $495. These figures represent the actual range homeowners encounter when budgeting for repairs.

Customer feedback highlights consistent patterns among top-rated contractors. CPS Heating & Cooling draws praise for same-day emergency response, with technician Samuel mentioned by name in multiple reviews, while PureComfort earns all five-star ratings with technicians like John and Harrison cited for diagnostic clarity and furnace repair expertise. Elephant Energy shows mixed results, with successful resolutions after initial problems offset by communication challenges. The strongest reviews emphasize technical competence and personal attention rather than price alone.

Frequently Asked Questions

AC repair in Westborough typically costs $83-$3,080 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.