7 HVAC Service Contractors in Thornwood, NY

4.1 avg rating
192 total reviews3 offer 24/7 service

Top-Rated HVAC Service Contractors in Thornwood

#1

In Town Plumbing & Heating Corp.

4.9(60 reviews)

“Four of five detailed reviewers specifically mention same-day or rapid response times during emergency situations. Customers consistently cite diagnostic…”

850 Franklin Ave, Thornwood, NY 10594
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#2

CNS Heating & Cooling, Inc

4.4(71 reviews)

“Every reviewer awarded a 5-star rating, with 4 out of 4 named customers specifically praising the technician Charlie for either consultation, diagnosis, or…”

865 Franklin Ave, Thornwood, NY 10594
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#3

One Hour Heating & Air Conditioning

4.8(46 reviews)
24/7

“Eight reviewers generated a 4.8-star average with seven five-star ratings. Two reviews explicitly describe same-day or next-day emergency response, while four…”

17 St Charles St 2nd Floor 2nd fl, Thornwood, NY 10594
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All HVAC Service Contractors (7 total)

Buglione Plumbing & Heating

4.7(12)

“Twelve reviewers all award 5 stars, with customers repeatedly mentioning same-day service availability,…”

829 Franklin Ave, Thornwood, NY 10594
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Automated Control Logic Inc.

5.0(2)
24/7

“Both reviews award five stars, with clients emphasizing seamless problem resolution and capability beyond…”

578 Commerce St, Thornwood, NY 10594
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Grundman Mechanical Systems, Inc.

5.0(1)

“One client awarded a 5-star rating, representing 100% positive sentiment. No recurring service themes or…”

835 Franklin Ave, Thornwood, NY 10594
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ac development group

0.0
24/7
871 Commerce St, Thornwood, NY 10594
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HVAC Service Costs in Thornwood

General HVAC service pricing across maintenance, repair, and installation in Thornwood.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

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

HVAC Service in Thornwood, NY: What to Expect

Thornwood sits within the Lower Hudson Valley region, where four distinct seasons create real demand for both heating and cooling systems. Summers bring humidity and temperatures that push air conditioning into daily use, while winters require reliable heating equipment that must perform consistently from November through March. Eleven HVAC contractors serve this area, maintaining an average rating of 4.3 stars across more than a thousand reviews, with four offering around-the-clock emergency service. Homeowners in this suburban community need HVAC Service in Thornwood they can count on when systems fail during a heat wave or cold snap.

Service calls and diagnostic fees in this market range from $81 to $216, while routine tune-ups for a single system typically cost between $76 and $216. Standard repairs average $162 to $1296 depending on the nature of the issue and parts required. New York does not require a statewide HVAC license, so local licensing requirements apply and contractors must meet municipal standards to operate legally in the Thornwood area.

Customer feedback points to several contractors earning strong reputations locally. Gallardo Electric holds a perfect 5.0 rating across 324 reviews, with multiple customers specifically naming Luis as their technician and noting fair pricing, punctual service, and thorough cleanup after the job. In Town Plumbing & Heating Corp. maintains a 4.9 rating, with reviewers consistently highlighting same-day or rapid response times during emergency situations and accurate diagnostic work that prevents repeat visits.

Frequently Asked Questions

HVAC service pricing in Thornwood ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.