Brand Certified
Donlon Brothers Heating & Cooling Inc
4.4(56 reviews)
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
Business Details
650 Montauk Highway, Bayport, NY
11705, United States
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
(631) 204-3044
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
http://hwww.donlonbrothers.com/
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
About
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
HVAC Contractor
Donlon Brothers Heating & Cooling Inc provides air quality services, emergency heating and air repair, heating services, high-efficiency HVAC, HVAC testing, oil service, seasonal maintenance, specialty HVAC services, and water heating services to the Bayport, NY area.
Location
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
Donlon Brothers Heating & Cooling Inc
650 Montauk Highway, Bayport, NY
11705, United States
Hours
Certified by Donlon Brothers Heating & Cooling Inc • Oct 18, 2026
Monday9:00 AM - 5:00 PM
Tuesday9:00 AM - 5:00 PM
Wednesday9:00 AM - 5:00 PM
Thursday9:00 AM - 5:00 PM
Friday9:00 AM - 5:00 PM
SaturdayClosed
SundayClosed
11/11/20269:00 AM - 5:00 PM
11/26/20269:00 AM - 5:00 PM
11/27/20269:00 AM - 5:00 PM
12/25/20269:00 AM - 5:00 PM
1/1/20279:00 AM - 5:00 PM
5/31/20279:00 AM - 5:00 PM
7/4/2027Closed
9/6/20279:00 AM - 5:00 PM
Reviews
4.4
56 reviews
5 stars
47
4 stars
1
3 stars
1
2 stars0
1 star
7
- LML M3 days ago5.0Matt was on site for a boiler tune up/maintenance and was a pleasure to have work in my home. He worked cleanly, quickly and communicated the process well. (We’re new to oil). As a business owner I understand it’s tough to find good, young talent so just want to give credit where it is due.
- KPKeith Perlmutter3 days ago5.0needed tune up for heat and hot water Technician was excellent, professional and informative
- JSJohn SchroederOct 16, 20265.0Great, honest family owned business.
- JZJoseph ZabbiaOct 5, 20265.0Thank you taylor for coming on such short notice to fix my water leak.
- DMDmitri MedvedevSep 16, 20265.0Tyler was professional and confident in diagnosing a problem
Frequently Asked Questions About Donlon Brothers Heating & Cooling Inc
What should I do to prepare for my service appointment?
Before your scheduled appointment, please make sure our technicians have clear access to both your HVAC equipment and thermostat. Clear away any items or obstacles surrounding your heating or cooling unit to allow for efficient service. If you've observed specific problems or concerns with your system, we recommend making a list to discuss during the visit. For safety and to minimize disruptions, please place pets in a separate room during our technician's work.
Do you offer any guarantees or warranties for your work?
Donlon Brothers Heating & Cooling Inc. guarantees the quality of our work and the equipment we provide. We back our services with warranties covering both labor and parts, with coverage terms varying based on the specific service or equipment installed. Your technician will review the warranty details that apply to your particular project upon completion. We are dedicated to your complete satisfaction with every service we deliver.
What products and services does Donlon Brothers Heating & Cooling Inc. offer?
Donlon Brothers Heating & Cooling Inc. delivers complete heating and air conditioning services for both residential and commercial properties across Suffolk County, NY. We specialize in the installation, repair, and maintenance of furnaces, boilers, central air conditioning units, heat pumps, and ductless mini-split systems. Additional services include indoor air quality improvements, thermostat installation, emergency repairs, and seasonal maintenance plans designed to maintain optimal HVAC system performance throughout the year.
How long have you been in business?
Our family business started with our grandfather in 1936. Taylor established the current company in 2011. Donlon Brothers is a family-owned operation with strong community ties and four generations of expertise in oil burner and boiler service. As a company founded and run by first responders, we apply the same dedication, integrity, and reliability to each project. We build our business on lasting customer relationships and a steadfast commitment to honest, dependable service.
What are you hours?
Our office hours are Monday through Friday, 9:00 am to 5:00 pm. We are closed on Saturday and Sunday. Emergency service is available outside of regular business hours.
What payment types do you take?
We accept cash, checks, and all major credit cards. Financing options are also available through Synchrony Bank.
Do you offer free estimates?
We provide complimentary on-site estimates for new equipment installations.
Brand Certified Facts from Donlon Brothers Heating & Cooling Inc
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Certified October 18, 2026Yext Knowledge Graph
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