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“Groner technician was very responsive and came right away after my call with no heat. They fixed issue which was great”
“Winter service for heating system. Making an appointment was easy, they came within the time window given. Technician was friendly and polite and knowledgeable. Changed filter and examined system quic…”
“Always sends qualified technicians quickly and at a fair price! Excellent service!”
“Soni was the professional On top of his game In and out in about 40min Heat is back on and running smoothly High integrity & reliable service Thanks Soni & Thanks Groner”
“Lovely service tech was so helpful and knowledgeable”
Groner Service Heating and Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Holbrook, NY.
Groner Service Heating and Cooling has a 4.8 out of 5 star rating based on 302 Google reviews.
All listed providers have a verified New York contractor license at time of publication. You can verify on the New York Department of State (consumer protection) plus local licensing (NYC DCWP, county Consumer Affairs) lookup at https://a858-elpaco.nyc.gov/CitizenAccess/.
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Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: New York Department of State (consumer protection) plus local licensing (NYC DCWP, county Consumer Affairs) · Company data: verified business records + Google Business profile
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