Furnace Repair in Glen Cove
Serving North Shore Homeowners Since 1973
When your furnace stops working on a cold Nassau County night, you need a team that knows the equipment, knows the area, and shows up ready to fix it. L. Graziose Plumbing Heating & Cooling has been serving Glen Cove and the North Shore since 1973, now led by brothers Robert and Michael alongside the next generation, Daniel. That continuity matters: our family name is on every job, and it has been for over 50 years.
Our licensed and insured technicians arrive fully equipped to diagnose and repair forced-air heating systems of all makes and models. We offer same-day furnace repair and 24/7 emergency service for Glen Cove homeowners who can’t wait.
Need furnace repair in Glen Cove today? Call (516) 614-4071 for same-day service or after-hours emergency dispatch.
What Sets Our Furnace Repair Team Apart
Our multi-generational structure creates a level of accountability that’s hard to find elsewhere. Robert, Michael, and Daniel aren’t overseeing a franchise from a distant office. They’re rooted in Locust Valley, serving the communities around them the same way the family has since the business was founded.
Before any work begins, we provide a detailed written estimate. You approve the cost first, and there are no surprise charges on the bill. Our technicians maintain cleanliness throughout every job and leave your home the way they found it.
From repair through replacement, we handle every phase of furnace and heating service for both homes and businesses. Courtesy, integrity, and professionalism aren’t marketing language for us. They’re the standard our family has held since 1973.
Schedule Your Furnace Repair
We’re available day and night for Glen Cove and Nassau County homeowners facing a furnace failure. Same-day appointments and 24/7 emergency dispatch mean you don’t have to wait out the cold. Call (516) 614-4071 or request service online to get a technician on the way.
Signs Your Furnace Needs Repair
Some furnace problems announce themselves. Others build gradually until the system fails on the coldest night of the year. Knowing the early warning signs can help Glen Cove homeowners avoid a no-heat emergency.
Watch for these indicators that a service call is needed:
- No heat or insufficient heat despite the thermostat being set correctly
- Short cycling: the furnace turns on and off repeatedly without completing a full heating cycle, often caused by a failing flame sensor, clogged filter, or an oversized unit
- Unusual noises such as banging, rattling, or squealing, which can point to blower motor, belt, or ignition component issues
- Weak or uneven airflow leaving certain rooms consistently cold
- A yellow or flickering burner flame instead of a steady blue one, which may indicate incomplete combustion and the potential presence of carbon monoxide
- Rising heating bills without a change in usage, suggesting the furnace is working harder than it should to compensate for a developing fault
If you smell gas near your furnace, leave the home immediately and call the gas company before contacting us. Gas odors require evacuation first.
Furnace Repairs We Perform in Glen Cove
Our technicians carry state-of-the-art diagnostic tools and are familiar with all makes and models of residential furnace equipment.
We diagnose and repair a full range of furnace components and faults, including:
- Ignition and pilot light failures: among the most common service calls, affecting both electronic ignitors and standing pilots
- Blower motor and fan repairs: restoring warm air circulation to the rooms on the forced-air system
- Cracked heat exchangers: a safety-critical repair, as cracks can allow combustion gases to enter living spaces
- Faulty thermostats and control board issues
- Limit switch malfunctions that cause short cycling or prevent the system from reaching the set temperature
- Clogged or dirty burners affecting combustion efficiency
- Failed capacitors and electrical components
- Fuel line and filtration issues
Every repair is performed with the same attention to detail and cleanliness we bring to every job.
See What Our Customers Are Saying About Us
At L. Graziose Plumbing Heating & Cooling, your satisfaction is our priority! See for yourself what people have to say about working with us.
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"Scott is a very knowledgeable and experienced professional"
I highly recommend Grazoise Plumbing to anyone seeking a quality job at a reasonable price.
- Kevin D. -
"Thank you - we are so glad to have the plumbing issues fixed!"
Nick was terrific today, very detailed and patient explaining to my parents the repairs.
- Kari -
"5 Stars – Outstanding Work"
From start to finish, the team was professional, on time, and incredibly thorough.
- Svetlana M. -
"Thanks, L. Graziose Plumbing and Heating."
They came out on Thanksgiving Day and saved what would have been a terrible weekend.
- Todd S.
Upfront Pricing & 24/7 Emergency Furnace Repair in Nassau County
Furnace failures tend to happen when the system is working hardest, which usually means the coldest nights of the year. Our 24/7 emergency dispatch means a technician can be on the way regardless of when the call comes in, day or night, weekday or weekend.
Every service call starts with a detailed written estimate. You see the full cost and approve it before we begin. No surprises when the job is done. For homeowners weighing a major repair or a full replacement, we offer financing options to make the decision more manageable. All work is backed by dependable warranties.
Knowing the cost upfront turns the repair-versus-replace decision into a straightforward comparison rather than a guessing game. It’s how we’ve handled it for Nassau County homeowners since 1973.
