The short answer
Nexora Chimney Services works out of an office on East 20th Street in Gramercy and serves all of ZIP code 10010 plus nearby Stuyvesant Town, Peter Cooper Village, Midtown South, Flatiron, and Union Square. We handle chimney sweeps, inspections, repairs, liners, rebuilding, and dryer vent and air duct cleaning for brownstones, rowhouses, and pre-war buildings.
Nexora Chimney Services is based in Gramercy, with our office at 304 E 20th St, so homes and buildings in ZIP code 10010 are right in our neighborhood. Gramercy's mix of brownstones, rowhouses, and pre-war apartment buildings means chimneys here range from wood-burning fireplaces on parlor floors to tall masonry flues serving building boilers. Our certified technicians sweep, inspect, repair, and reline these systems, and we also clean dryer vents and air ducts. Below is what we look for in Gramercy homes and how Manhattan's weather affects them.
Fireplaces and Chimneys in Gramercy Brownstones and Rowhouses
Many Gramercy townhouses have more than one fireplace. These are often stacked on several floors and share a single chimney mass. Flues in older masonry can have cracked clay tiles, missing mortar, or no liner at all. A fireplace that hasn't been used in years may have nests or debris inside, or a damper that no longer closes.
The NFPA 211 standard calls for chimneys, fireplaces, and vents to be inspected once a year. We use three inspection levels:
If you're buying or selling a brownstone in the neighborhood, a Level 2 inspection gives you a clear picture of every flue before closing.
- Level 1: a routine check of the accessible parts of the chimney when nothing about the system has changed.
- Level 2: a more detailed inspection, including a camera look inside the flue, when you add or change an appliance, switch fuel, or sell the home.
- Level 3: used when a hidden hazard has to be reached by opening part of the chimney or the building.
Pre-War Buildings, Boilers, and Oil-to-Gas Conversions
Pre-war apartment buildings and co-ops in Gramercy often vent a central boiler through a masonry chimney. When a New York City building converts its boiler from oil to gas, the chimney has to be evaluated as part of the work. A new liner is often needed because gas exhaust produces acidic condensate that can corrode a masonry flue from the inside.
Timing matters. The city's heat season runs from October 1 through May 31. During that period, owners must keep apartments heated to the city's minimum temperatures. We encourage boards and managers to schedule inspections, liner installation, and repairs for late spring or summer so the boiler is ready before the season starts.
How Manhattan Weather Wears on Chimneys
New York winters bring repeated freezing and thawing. Water soaks into brick and mortar joints, expands as it freezes, and loosens the masonry over time. Wind-driven rain from coastal storms and humid summers add more moisture. Common warning signs include white staining on brick, flaking brick faces, rusted dampers, and water stains on walls or ceilings near the chimney.
A properly fitted chimney cap or chase cover keeps rain, debris, and animals out of the flue. Vapor-permeable waterproofing helps brick shed water while still letting it dry. When damage has already happened, we repoint mortar and repair crowns. If the masonry above the roofline is unstable, we rebuild that section of the chimney.
Time for your annual chimney check?
Dryer Vents and Air Ducts in City Homes
Dryer vents in Manhattan buildings often run long distances through walls to reach the outside, which gives lint more places to collect. According to the U.S. Fire Administration, failure to clean is the leading factor contributing to clothes dryer fires in homes. Long drying times, a hot laundry area, or a burning smell are all reasons to have the vent cleaned.
For air ducts, we follow the EPA's practical guidance. Cleaning makes sense when there is substantial visible mold, vermin, or excessive dust and debris. The EPA also notes that duct cleaning hasn't been shown to prevent health problems, so we won't promise that it will. We explain what we found, and we only use chemical treatments when there's a clear reason and you agree to them.
Our Services in Gramercy and Nearby Neighborhoods
From our East 20th Street office, we serve all of ZIP code 10010 and nearby Stuyvesant Town, Peter Cooper Village, Midtown South, Flatiron, and Union Square. Tell us about your building type and access, such as roof hatches, shared stairwells, or doorman schedules, and we'll plan the visit around it.
- Chimney Sweep
- Chimney Inspection
- Chimney Repair
- Chimney Liner Installation
- Chimney Rebuilding
- Chimney Cap & Chase Cover
- Chimney Waterproofing
- Fireplace & Damper Repair
- Dryer Vent Cleaning
- Air Duct Cleaning
ZIP codes we serve
- 10010
Services in Gramercy
- Chimney Sweep in Gramercy
- Chimney Inspection in Gramercy
- Chimney Repair in Gramercy
- Air Duct Cleaning in Gramercy
- Chimney Liner Installation in Gramercy
