Furnace Repair

Furnace Repair in Lindenhurst

Family-Owned, MBE-Certified Service Backed by a 1-Year Labor Warranty

Tedco Mechanical is a family-owned, Minority Business Enterprise (MBE)-certified HVAC company based in Lindenhurst, serving homes and businesses across Long Island since 2010. We’re licensed, insured, and equipped to repair all major makes and models of furnaces. Every repair we complete is backed by a 1-year labor warranty, and we honor manufacturer warranties on parts. Same-day appointments are available when scheduling permits.

We provide free estimates before any work begins, with no obligation and no pressure to commit.

When your heat stops working, call Tedco Mechanical at (631) 366-7241. We can get a trained technician to you as quickly as possible and walk you through exactly what’s needed before we touch anything.

Why Lindenhurst Homeowners Choose Tedco Mechanical

As a family-owned business, we treat every home we service as if it were our own. That means honest diagnostics, pricing reviewed with you before work begins, and no recommendations for services you don’t need.

Our MBE certification reflects who we are, not just a credential we carry. We’ve built our reputation on the South Shore by being straightforward about costs, fast to respond, and consistent in the quality of our work. Customers regularly note that we arrived the same day they called and were upfront about what the repair actually required.

Our competitive pricing and WellsFargo financing options mean an unexpected furnace breakdown doesn’t have to become a financial crisis. If a same-day slot is open, we can use it.

Warning Signs Your Furnace Needs Repair

Some furnace problems are obvious. Others show up as small annoyances that grow into bigger issues if ignored. Knowing what to watch for can help you call before a minor repair becomes a full replacement.

Signs that warrant a service call:

No heat at all: The most urgent symptom. If your furnace runs but produces no heat, or won’t start, schedule service promptly.
Frequent short cycling: Short cycling means the furnace starts, runs briefly, and shuts off before your home reaches temperature. It can point to ignition, thermostat, or airflow problems.
Unusual sounds: Banging, rattling, hissing, or buzzing from the unit are signs of mechanical issues that shouldn’t be left alone.
Burning or musty odors: A burning smell on first use of the season can be normal dust burning off. A persistent odor is not.
Uneven heating: Some rooms warm quickly while others stay cold, which can indicate burner, airflow, or distribution problems.
Rising energy bills: If your usage hasn’t changed but your bills have climbed, your furnace may be working harder than it should to maintain temperature.

Gas smell near your furnace: This is a safety emergency. Leave the area immediately, avoid switches and open flames, and call for help from outside the home.

Common Furnace Problems We Repair

Our technicians diagnose and resolve a full range of issues in gas and oil forced-air heating systems. Our vehicles are stocked with commonly needed parts, so many repairs are completed in a single visit.

Ignition & Pilot Problems

Failed pilot lights and faulty electronic igniters are among the most frequent reasons a furnace stops producing heat. These components wear over time and are straightforward to diagnose.

Thermostat Malfunctions

A miscalibrated or failing thermostat can cause the furnace to run constantly, refuse to start, or cycle on and off without reaching the set temperature.

Dirty or Clogged Filters

Restricted airflow from a clogged filter forces the system to work harder, reduces efficiency, and can trigger the furnace to overheat and shut down as a safety measure.

Heat Exchanger Issues

A cracked heat exchanger is a serious safety concern because combustion gases can escape through the crack and mix with the air circulated through your home. This typically requires component or unit replacement.

Blower Motor & Belt Failures

If the blower motor or belt fails, warm air can’t move through your ducts. The furnace may run without any noticeable change in room temperature.

Venting & Flue Problems

Blocked or corroded venting creates backdraft conditions and poses a safety risk. Homes on Long Island’s South Shore face accelerated corrosion from salt air and coastal humidity, making venting inspections especially relevant here.

Faulty Limit & Pressure Switches

These safety switches prevent the furnace from completing a normal cycle when they fail. Replacing them can restore normal operation and help protect the unit from further damage.

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The Tedco Mechanical Difference

Rapid Response. Reliable Results.

Family-Owned & Operated
Our family values guide every project, ensuring honesty in all we do.
Quality Workmanship
We take pride in doing the job right, delivering durable and professional results.
Licensed & Insured
Certified, licensed, and fully insured for your confidence and protection.

Fast & Reliable Service
We show up fast and provide service you can depend on.
Trained Technicians
Our team is skilled, certified, and knowledgeable in the latest HVAC systems.
Emergency Service
When emergencies happen, we’re just a call away to restore comfort.

What to Expect from a Furnace Repair Visit

We start by listening. Before any inspection begins, we ask about the symptoms you’ve noticed, how long the issue has been present, and any history of past repairs. That context shapes what we look for.

From there, our technician inspects key components: safety controls, gas or electrical connections, filters, airflow, and any area tied to your reported symptoms. We look for root causes, not just the visible problem, because a repair that doesn’t address what actually failed tends to come back.

Once we know what’s needed, we walk you through the options and pricing before we start any work. No surprises. If the parts are on the truck, many repairs are completed the same visit. After the repair, we run the system through a full cycle to confirm it’s operating correctly and answer any questions before we leave.

We’ll also let you know if a filter change or a follow-up maintenance visit could help reduce the likelihood of another breakdown. We serve residential properties throughout Lindenhurst and light-commercial properties across Long Island.

Financing, Warranties & Upfront Pricing

A furnace breakdown rarely happens at a convenient time, and it’s rarely in the budget. We work to remove the friction that keeps homeowners from calling when they should.

Free estimates:
We provide a free estimate before any work begins. You’ll know what the repair involves and what it costs before you commit to anything.

WellsFargo financing:
Flexible financing through WellsFargo is available for repair and replacement work. If cost is a concern, ask about payment plan options when you call.

1-year labor warranty:
Every repair we complete is backed by a 1-year labor warranty. If a covered issue returns within that period, you’re protected.

Manufacturer warranties:
We honor manufacturer warranties on parts used in repairs, so you benefit from both types of coverage when applicable.

Call Tedco Mechanical at (631) 366-7241 to schedule your free estimate or ask about same-day availability. Financing is available if you need it.

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What Our Customers Are Saying

Real Feedback. Real Comfort.

"Quick & Courteous Service"
Frank responded quickly and courteously. He solved my problem in an hour after investigating my 18-year-old cooling system: clogged filter and no freon. I'm sure other companies would have told me the unit needed to be replaced. Now my AC runs ice cold.

- Drue S.
"Very Happy"
Frank was professional, patient, and honest. I would recommend him. I am very happy with his services.

- Lucy N.
"Quick Response & Service"
Frank of Tedco responded to my request immediately and arrived that night from another job. He serviced my central air up and running. Very happy with their quick response and service.

- Robert G.
"Knowledgable, Fast Service"
Tedco responded immediately to my call when my AC unit went down. The technician showed up fast and was knowledgeable. He fixed my unit in under an hour, and the price was less than we expected. They were amazing!

- Joseph M.
"Knowledgable, Friendly & Honest"
Frank was very knowledgeable, friendly, and a man of his word. He always answers his phone calls and keeps his appointments. I recommend without reservations.

- Vic Z.
"On-Time & Honest"
They assisted me the same day I called, arrived on time, were honest, and didn't try to take advantage of the situation. I will definitely call them for my next related project or need.

- Michele S.
"Great Price & Professional Installation"
Tedco Mechanical was a pleasure to work with. I had two units installed. Great price and professional installation. I would highly recommend!

- Allan L.
"Honest & Humble"
Frank and John were outstanding and addressed my heating problem quickly. What I thought would be a costly repair was, in fact, very reasonable. They did not try to sell me unnecessary services. This team was honest and humble.

- Joseph C.
"Upfront About Cost"
Frank responded immediately and accommodated my schedule. He came out the same day and fixed my central air unit. He was upfront about the cost and answered all of my questions. Very satisfied.

- Brian D.

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Tedco Mechanical Is Ready to Help

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Areas We Serve

Baldwin
Bay Shore
Brentwood
Centereach
Central Islip
Commack
Copiague
Coram
Deer Park
Dix Hills
East Meadow
Franklin Square
Garden City
Glen Cove
Hempstead
Hicksville
Holbrook
Levittown
Lindenhurst
Lynbrook
Massapequa
Medford
Merrick
Mineola
Oceanside
Plainview
Rockville Centre
Selden
Shirley
Smithtown
Valley Stream
Wantagh
West Babylon
West Islip