Linear is a brand within the Nortek Control family that has manufactured residential and commercial garage door operators for decades.
Tell us what the door is doing. The estimate is free either way.
Linear is a brand within the Nortek Control family that has manufactured residential and commercial garage door operators for decades. Linear openers are installed across the NYC metro area and Long Island, particularly in homes built or renovated in the 1990s through early 2000s when Linear was widely distributed through regional dealers.
Linear's residential lineup uses rolling code (Security+ compatible) technology for remote and keypad pairing, making them relatively straightforward to reprogram - though logic board failures can sometimes lock out the Learn function entirely, requiring replacement.
Linear's commercial line (including the PRO and HAE series) is found in light commercial settings: small warehouses, auto shops, and multi-unit properties across the NYC area. These units share many components with residential models but are rated for higher cycle counts.
The same six jobs as everywhere else we work, with the parts for the doors common here already on board.
Your Linear opener is under 12 years old, the failure is an isolated component (gear, logic board, sensor, remote), and the unit still has modern safety features.
The opener is 15+ years old and has had recurring issues, lacks battery backup (important for NYC power outages), or doesn't have current safety standards.
We also service LiftMaster, Genie, Chamberlain, and all other major opener brands.
Linear is one of the most common garage door brands across our service area. Manufactured by Nortek Control, Linear units have a strong reputation for durability when serviced correctly, and our technicians have factory-equivalent training on every Linear model in residential service today. Whether you have a LDCO800 or a MDR unit, we carry the parts and we know the failure patterns.
1. Diagnostic. Our tech reads the model and serial number, checks the logic board with a multimeter, tests safety reverse and photo eyes, and inspects the rail, trolley, and drive system.
3. Repair on first visit. Our trucks carry the most-common Linear parts - boards, sprockets, gears, belts, sensors, transmitters, and receivers. About 9 out of 10 Linear repairs we do are done on the first visit without ordering parts.
4. Before we leave we run the door through 5 full cycles, test the safety reverse with a 2x4, verify photo-eye function, and re-program your remotes if needed. Repair is warrantied 90 days, new units 1 year full system.
Linear units typically last 12-18 years in residential use. Here is how we advise customers:
Federal UL 325 is the safety standard governing residential garage door openers. It exists because in the early 1990s, multiple children died in garage door accidents - doors closing on small bodies, doors falling because of broken safety systems. Every modern opener is required to meet UL 325, and we test compliance on every single job:
If your door fails any of these tests, we don't leave until it's fixed - even if you didn't call us about safety. This is non-negotiable. Most "won't close" calls actually trace to a photo-eye misalignment which is a safety system catching a real problem; bypassing it is illegal under UL 325.
Linear doors and openers have specific failure modes our technicians see weekly across NYC, Long Island, and northern New Jersey.
The most-common Linear symptoms we receive calls for: opener LED diagnostic codes (count the blinks - every Linear model encodes a different fault into the blink pattern), trolley/carriage detachment from the chain or belt (audible "thunk" then door drops), gear-sprocket stripping inside the head unit (grinding noise on the open cycle, motor runs but door doesn't move), photo-eye misalignment from the LED-receiver pair (door reverses immediately on close attempt), force-limit auto-shutoff when the spring system is out of balance (door stops 6 inches off floor and reverses), and remote-pairing loss after a power-cycle event.
The structural side of Linear doors - torsion springs, lift cables, rollers, hinges, panel sections - fails on the same physics-driven timeline as any brand: 10,000 cycles of factory torsion springs, 6–10 years of cable life, 8–12 years of nylon/steel rollers depending on grade. The Linear hardware spec is generally midrange-to-premium and we stock cycle-life-upgraded replacements (25K and 50K springs, 13-ball-bearing nylon rollers, 7-strand galvanized cables) that outlast the factory specs.
Below is a non-exhaustive list of the Linear model families we keep parts for on every truck. If your model isn't listed, call - we can almost always source it via overnight from our parts distributor and stabilize the door same-day.
On Point Garage Doors provides same-day Linear opener repair repair throughout East New York, Brooklyn.
On Point Garage Doors handles garage door repair across the New York metro area - all five NYC boroughs, Long Island (Nassau and Suffolk), and Northern New Jersey.
We service every major brand including LiftMaster, Genie, Chamberlain, Craftsman, Wayne Dalton, Amarr, Marantec, Linear, and Clopay.
NYC: All five boroughs - Brooklyn, Queens, Manhattan, The Bronx, Staten Island. Long Island: Nassau County (Hempstead, Garden City, Massapequa, Hicksville, Levittown, and surrounding) and Suffolk County (Huntington, Smithtown, Babylon, Bay Shore, Patchogue, Riverhead, Hamptons). New Jersey: Hudson, Bergen, Essex, Union counties - Jersey City, Hoboken, Newark, Elizabeth, Bayonne, and surrounding.
Around Brooklyn, one call gets you a two-hour slot and a heads-up call before the technician sets off. We don't buy leads and nobody on a phone judges a door they can't see.
Free estimate across Brooklyn, NY and the towns around it.
Describe the fault and we'll give you an honest arrival time. The visit and the estimate is free, anywhere in Kings County.
Easier to explain by phone? Call (929) 429-2429.
Tell us what the door is doing. The estimate is free either way.