5 AC Installation Contractors in Holliston, MA

4.9 avg rating
6,888 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Holliston offer 24/7 availability

Top-Rated AC Installation Contractors in Holliston

#1

Rodenhiser Home Services

4.8(3,150 reviews)
Highly Rated

Three sampled reviews yield a 66% satisfaction rate, with both five-star ratings praising technician expertise and honest pricing while a single one-star…

325 Hopping Brook Rd, Holliston, MA 01746
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#2

Nicholson Plumbing, Electrical, Heating, and Air Conditioning

4.8(3,086 reviews)
24/7 Highly Rated

Four reviews mention specific technicians by name, with Jimmy and Nicholas Brodeur each appearing in multiple accounts. Positive reviews consistently reference…

71 Whitney St, Holliston, MA 01746
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#3

SumZero Energy Systems

4.9(492 reviews)
Highly Rated

Four hundred seventy-six reviews produce a 4.9-star average, indicating strong overall satisfaction. Customer accounts reference multiple service calls over…

84 October Hill Rd, Holliston, MA 01746
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All AC Installation Contractors (5 total)

ThermaCare Heating, Air & Electric

4.9(107)
24/7 Highly Rated

107 reviewers collectively award 4.9 stars, with multiple customers specifically naming technicians Curtis,…

785 MA-126, Holliston, MA 01746
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Souzet

5.0(53)

All eight sampled reviews award 5 stars, with common themes including on-time arrival, professional conduct,…

893 Washington St, Holliston, MA 01746
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AC Installation Costs in Holliston

New central AC installation costs in Holliston, 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 Holliston, MA: What to Expect

The Boston metropolitan region's climate presents distinct challenges for homeowners considering AC Installation in Holliston. With summer temperatures reaching 82 degrees in humid conditions and winter lows dropping to 22 degrees, the need for reliable cooling systems is clear during peak summer months. Holliston residents benefit from five licensed contractors maintaining a 4.9 average rating across nearly 6,900 reviews, ensuring professional installation services are readily available in this tightly regulated market.

Installing a new air conditioning system involves significant investment, with costs varying by system type. Window units range from $168 to $784, while single-zone ductless mini-splits cost between $2,240 and $8,960. For homes with existing ductwork, central AC replacement runs $3,920 to $13,440. Massachusetts requires contractors to hold both a Refrigeration Technician License and Sheet Metal/Pipefitter credentials from the Division of Professional Licensure, ensuring installations meet professional standards.

Customer feedback reveals important service considerations. Rodenhiser Home Services receives praise for technician expertise and transparent pricing, though some clients note communication delays. Nicholson Plumbing, Electrical, Heating, and Air Conditioning stands out with technicians like Jimmy and Nicholas Brodeur consistently mentioned for clear communication and floor protection during installations. SumZero Energy Systems maintains strong satisfaction across 476 reviews, with customers particularly valuing their responsive service approach.

Frequently Asked Questions

New AC installation in Holliston 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.