6 AC Installation Contractors in Glastonbury, CT

4.6 avg rating
2,802 total reviews3 offer 24/7 service

Top-Rated AC Installation Contractors in Glastonbury

#1

Degree Heating and Cooling

4.8(1,443 reviews)
24/7 Highly Rated

Four of five detailed reviews mention specific technicians by name: Mike T appears in three accounts covering heating repair, thermostat adjustment, and…

160 Oak St #508, Glastonbury, CT 06033
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#2

Delponte Plumbing & Heating

4.9(641 reviews)
Highly Rated

Every reviewer awarded 5 stars, with 641 client ratings producing a 4.9 average. Three reviews specifically mention same-day or next-day arrival for urgent…

192 Oak St, Glastonbury, CT 06033
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#3

SM Mechanical Services LLC

4.8(653 reviews)
24/7 Highly Rated

Every reviewer awarded a 5-star rating, with multiple customers explicitly naming individual technicians, Dereck, Nelson, Edwin, Jose, Felix, and Angel, as the…

75 Naubuc Avenue Rear Unit, Glastonbury, CT 06033
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All AC Installation Contractors (6 total)

N&T Heating Cooling and Ventilation LLC

5.0(24)
24/7

All five publicly visible reviews award 5 stars, with three specifically mentioning same-day or immediate…

2389 Main St, Glastonbury, CT 06033
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Glastonbury Burner & Boiler

4.4(34)

Eight customers awarded five-star ratings, with Paul named as owner-responsive in four reviews and Jeff…

107 Oakwood Dr STE G, Glastonbury, CT 06033
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Glastonbury HVAC Services

3.9(7)

Three of seven reviewers award five stars, with John D'Addona specifically praising the company's breadth…

60 Hebron Ave 2nd floor, Glastonbury, CT 06033
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AC Installation Costs in Glastonbury

New central AC installation costs in Glastonbury, 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 Glastonbury, CT: What to Expect

Summer in Glastonbury pushes past 87 degrees for weeks at a time, and the humidity hovers near sixty-six percent, making reliable cooling less a luxury than a practical necessity for most households. The Hartford metro area experiences a full humid continental climate without the temperature-moderating effect of the coast, meaning air conditioning systems here run under genuine stress during the warmest months and face real seasonal wear. Six licensed contractors serve the area, maintaining a collective average rating of 4.6 across more than twenty-eight hundred customer reviews, which indicates that local homeowners have access to dependable options for AC installation Glastonbury when systems fail or aging units need replacement.

The cost structures for cooling equipment in this region reflect both system type and installation complexity. Window units range from $168 to $784, while ductless mini-split systems for single-zone cooling typically cost between $2240 and $8960. Central AC replacement using existing ductwork runs from $3920 to $13440, with final pricing influenced by equipment efficiency ratings, labor requirements, and any necessary electrical upgrades. Connecticut requires that any contractor performing this work hold a Class 1 Master HVAC Contractor license from the state Department of Consumer Protection, ensuring baseline qualifications for homeowners who vet credentials before committing to major equipment investments.

Several contractors in the area generate particularly strong customer feedback. Degree Heating and Cooling consistently receives mentions of technician Mike T, where reviewers specifically highlight proactive communication and thoroughness during repairs and adjustments. Delponte Plumbing & Heating maintains a 4.9 average from over six hundred ratings, with reviewers repeatedly noting same-day or next-day response times for urgent calls. SM Mechanical Services LLC draws frequent mention of technicians Dereck, Nelson, Edwin, and Jose, where customers describe their approach as attentive and personable, reflecting a pattern across local review data.

Frequently Asked Questions

New AC installation in Glastonbury 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.