Heat service · Brooklyn
Tankless water heater installation in Brooklyn
Endless hot water from a wall-hung unit the size of a carry-on bag. We size, install and service gas tankless water heaters in Brooklyn, checking the gas line and venting before we quote so there are no surprises.
GW Mechanical Corp installs and services tankless water heaters in Brooklyn. Call 646-980-2411 for a site check and written quote.
Tankless water heater installation across Brooklyn
Tankless makes sense in Brooklyn where space is the problem: a brownstone cellar in Park Slope or Clinton Hill where the water heater closet becomes storage, a Williamsburg or Bushwick gut renovation adding bathrooms, a two-family in Bay Ridge or Bensonhurst where two tanks come out and one wall-hung unit goes in. The constraint is the gas line: many Brooklyn houses have a 1/2-inch line that cannot feed a 199,000 BTU unit, and we measure it before quoting. Side-wall venting out a rear wall is usually straightforward in a rowhouse.
Our shop is at 854 Humboldt Street in Greenpoint, so Brooklyn is home turf: most of the borough is under 30 minutes from the truck.
What we handle
Sizing to winter inlet temperature and the fixtures that run together
Gas line sizing and upgrades, filed with DOB
Condensing and non-condensing units, side-wall or roof venting
Isolation valves and condensate neutralizer on every install
Annual descaling flush and filter cleaning
Repair of Navien, Rinnai and Noritz units with common parts on the truck
Brooklyn neighborhoods we serve
Every neighborhood in Brooklyn, ZIP codes 11201–11256, 24 hours a day.
- Williamsburg
- Greenpoint
- DUMBO
- Brooklyn Heights
- Cobble Hill
- Carroll Gardens
- Red Hook
- Park Slope
- Prospect Heights
- Crown Heights
- Bedford-Stuyvesant
- Bushwick
- Flatbush
- East Flatbush
- East New York
- Canarsie
- Sunset Park
- Bay Ridge
- Dyker Heights
- Borough Park
- Bensonhurst
- Gravesend
- Sheepshead Bay
- Brighton Beach
- Coney Island
- Marine Park
- Mill Basin
- Gerritsen Beach
See the full Brooklyn service page for every service we offer in the borough, or the tankless water heater installation service page for details that apply citywide.
Questions from Brooklyn
Who installs tankless water heaters in Brooklyn?
GW Mechanical Corp installs and services Navien, Rinnai and Noritz tankless water heaters across Brooklyn. We check the gas line and venting before quoting.
Is a tankless water heater worth it in Brooklyn?
Yes if you run out of hot water or need the space, and the gas line can support it. We tell you honestly if a tank is the better choice.
Can a tankless water heater be installed in a Brooklyn house or apartment?
Often yes. It needs a gas line that can carry 150,000 to 199,000 BTU and a vent route to an exterior wall or roof within the manufacturer's distance. We check both before quoting.
Does a tankless unit need maintenance in Brooklyn?
A yearly descaling flush through the isolation valves and a clean inlet filter. NYC water is relatively soft, so scale builds slowly, but the annual flush is what gets 20 years out of the unit.
Do you repair tankless water heaters in Brooklyn?
Yes. Error codes, scaled heat exchangers, blocked condensate lines, flow sensors and igniters on Navien, Rinnai and Noritz units, with common parts on the truck.
Tankless water heater installation in other boroughs: Queens · Staten Island · Manhattan
Need tankless water heater installation in Brooklyn?
A dispatcher answers 24/7. Tell us where you are and what is wrong.
646-980-2411