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Your Trusted Partner for Plumbing & HVAC Solutions in Syosset
Abalene Plumbing & Heating has served the North Shore of Long Island for over 50 years as a third-generation, family-owned business. Founded by Walter Jadezuk, a U.S. Marine, our work ethic stems from decades of hands-on experience and commitment to excellence. Wayne Jadezuk, following his father's legacy, and his son Matthew, both licensed Master Plumbers and HVAC-EPA certified technicians, lead our team today. We specialize in plumbing, heating, air conditioning, and fuel oil services, offering 24/7 emergency support through service contracts. Our professionals attend regular training to stay current with industry advancements, ensuring top-tier installations and repairs.

Fully licensed, insured, and bonded, we prioritize personalized service over account numbers. National Grid Value Plus and Mitsubishi Diamond Contractors certifications underscore our technical expertise. From boiler replacements to ductless mini-splits, we handle projects of all sizes with equal dedication. Our Syosset headquarters supports residential and commercial clients across Nassau County. With a focus on community values and technical precision, we remain a trusted local partner for all climate and plumbing needs.
Services
Plumbing Repairs Heating Systems Air Conditioning Fuel Oil Delivery Indoor Air Quality
Highlights and features
  • Third-generation family-owned business with 50+ years of local expertise
  • 24/7 emergency service available through maintenance contracts
  • Master Plumbers and EPA-certified HVAC technicians on staff
  • Factory-certified Mitsubishi and National Grid installation specialists
  • Ongoing manufacturer training ensures up-to-date technical knowledge
Associations and certifications
  • National Grid Value Plus Installer
  • Mitsubishi Diamond Contractor
  • NYS Backflow Certified
  • HVAC-EPA Certified
What people say
24/7 emergency service Licensed Master Plumbers Family-owned expertise Prompt response times Modern equipment knowledge
Services
Plumbing Repairs
Our licensed Master Plumbers handle all residential and commercial plumbing needs including faucet repairs, pipe replacements, and water heater installations. We specialize in emergency leak detection and sewer line repairs using modern diagnostic tools. With 24/7 emergency availability through service contracts, we minimize downtime for critical plumbing issues.
Heating Systems
From boiler maintenance to complete heating system replacements, our EPA-certified technicians service gas and oil furnaces, radiant heating systems, and forced hot air units. We offer oil-to-gas conversions and install energy-efficient systems with PSEG LI CoolHomes program benefits. Regular maintenance plans help prevent winter breakdowns.
Air Conditioning
We install and service central air conditioning systems and ductless mini-split units with Mitsubishi Diamond Contractor certification. Our cooling solutions include system replacements, refrigerant recharging, and programmable thermostat installations. PSEG LI rebates apply for qualifying energy-efficient upgrades.
Fuel Oil Delivery
Our full-service oil division provides scheduled and on-demand heating oil deliveries with COD options. We offer price stability plans and Heating Oil+ additive for improved system efficiency. Certified technicians handle tank inspections and emergency oil line repairs.
Indoor Air Quality
Improve home air quality with our UV light installations, dehumidifier systems, and advanced filtration solutions. We service whole-house air purifiers and humidity control systems that integrate with existing HVAC equipment to reduce allergens and mold growth.
People
Wayne Jadezuk
Owner / Master Plumber
Second-generation leader with 30+ years in the business, trained by his Marine veteran father. Licensed Master Plumber and HVAC technician specializing in system diagnostics and code compliance.
Matthew Jadezuk
Co-Owner / Service Manager
Third-generation plumber with 20+ years experience, handling daily operations and technical training. Certified in backflow prevention and National Grid Value Plus installations.
Questions
What services does Abalene Plumbing & Heating offer?
We provide full-service plumbing, heating, air conditioning, and fuel oil delivery across Long Island's North Shore.
Do you offer emergency service outside regular hours?
Yes, we provide 24/7 emergency support through our service contracts for heating and plumbing emergencies.
Are your technicians certified and licensed?
All our plumbers hold Master Licenses with HVAC-EPA and NYS Backflow certifications for professional service.
What areas do you service?
We primarily serve Nassau County's North Shore including Syosset, Oyster Bay, and surrounding Long Island communities.
Can you help with energy-efficient system upgrades?
As PSEG LI CoolHomes and National Grid Value Plus contractors, we install rebatable energy-efficient heating and cooling systems.