A. Monte Services was upfront about what my system needed and did not try to oversell me. The work was clean, professional, and done right the first time.
HVAC Contractor
Water Heater Installation & Repair in Long Island, NY
5 specialized services available
We install, repair, and maintain water heaters throughout Long Island and Suffolk County. Our technicians handle emergency water heater issues, new system installations, and routine maintenance to keep your hot water running reliably. We work with homeowners and businesses in Mount Sinai, Oyster Bay, East Hampton, and surrounding communities.
Water Heater Installation & Repair
Serving Long Island, NY and the Florida Panhandle
Services
Water Heater Installation & Repair Services in Long Island, NY
We install, repair, and maintain water heaters throughout Long Island and Suffolk County. Our technicians handle emergency water heater issues, new system installations, and routine maintenance to keep your hot water running reliably. We work with homeowners and businesses in Mount Sinai, Oyster Bay, East Hampton, and surrounding communities.
Water Heater Repair
A. Monte Services Corp. provides water heater repair for homes across Long Island, NY.
- Accurate diagnosis prevents repeat repairs and unnecessary replacement costs
- Restores consistent hot water temperature for showers, laundry, and dishwashing
- Reduces safety risks from faulty T&P valves, gas connections, and carbon monoxide exposure
Water Heater Installation
A. Monte Services Corp. provides professional water heater installation for Long Island, NY homeowners and businesses.
- Proper sizing matched to your household's actual hot water demand reduces energy waste
- Installation completed to New York State plumbing code standards protects your home and avoids costly corrections
- Hard water factors specific to Long Island are addressed during setup to slow sediment buildup and extend unit life
Water Heater Replacement
A. Monte Services Corp. handles water heater replacement for Long Island, NY homeowners who need a reliable, properly sized system installed.
- Correct unit sizing based on your household demand and Long Island home layout prevents hot water shortfalls
- Proper anode rod selection and installation accounts for Long Island's slightly acidic aquifer water, slowing internal corrosion
- Code-compliant venting and expansion tank work protects older Nassau and Suffolk County homes from safety and inspection issues
Water Heater Maintenance
A. Monte Services Corp. provides water heater maintenance for Long Island, NY homeowners who want reliable hot water year-round.
- Sediment flushing restores heating efficiency and lowers energy use on mineral-heavy Long Island water supplies
- Anode rod inspection protects the tank interior from corrosion, extending the unit's usable life
- Pressure relief valve testing reduces the risk of dangerous pressure buildup in the tank
Boiler Installation
A. Monte Services Corp. provides professional boiler installation for homes across Long Island, NY.
- Correct heat-load sizing prevents short-cycling and uneven room temperatures across your home
- High-efficiency boiler installation reduces monthly fuel consumption compared to older low-AFUE units
- Proper venting and near-boiler piping lowers the risk of combustion gas issues and pressure problems
Why Choose Us
What sets us apart for Water Heater Installation & Repair
Family-owned and operated
15+ years of experience
Emergency service available
Honest and integrity-driven
Licensed S Corp
Our Work
Recent Projects in Long Island, NY
Every project in this gallery was built by our crew. Real work, real clients, real results.
Project photos coming soon.
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FAQ
Common Questions About Water Heater Installation & Repair in Long Island, NY
Straight answers to the questions homeowners ask before hiring a local contractor.
Yes, we repair and replace water heaters throughout Oyster Bay and surrounding Long Island areas.
Yes, we install new water heaters and handle full replacements for homes and businesses.
Regular maintenance extends your water heater's life and improves efficiency.
Still have questions?
Call us directly. Real answers, no scripts.
Client Reviews
What Suffolk County homeowners say.
5.0
3 Google reviews
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Proudly Based in Mount Sinai, NY
Stop by, call, or book online — we're always nearby when you need us.
Phone
(631) 875-2966Hours
- Monday 8:00 AM - 5:00 PM
- Tuesday 8:00 AM - 5:00 PM
- Wednesday 8:00 AM - 5:00 PM
- Thursday 8:00 AM - 5:00 PM
- Friday 8:00 AM - 5:00 PM
- Saturday Emergency Service Available
- Sunday Emergency Service Available