Tankless Water Heater Installation · Bronx · Queens · Brooklyn
Endless Hot Water, On Demand — Tankless Done Right
Never wait for a tank to reheat again. Metro Boiler Heating installs energy-efficient gas and electric tankless water heaters that deliver hot water the moment you turn the tap — for homes and businesses across the Bronx, Queens, and Brooklyn.
The #1 Benefit: Endless Hot Water, Whenever You Need It
The reason most homeowners switch to a tankless water heater is simple: endless hot water on demand. Instead of storing and constantly reheating 40 or 50 gallons, a tankless unit heats water instantly as it flows through. Turn on the shower, the dishwasher, and the washing machine at the same time — and everyone still gets hot water, for as long as they want.
No more cold showers. No more waiting. No more running out halfway through a bath. Just reliable, continuous hot water, sized to your home's real demand.
How a Tankless Water Heater Works
A tankless water heater is remarkably simple. When you open a hot water tap, a flow sensor detects the demand and activates a powerful heat exchanger. Cold water travels through the exchanger, is heated instantly to your set temperature, and flows straight to your fixture. The moment you close the tap, the unit shuts off — using zero energy to keep water hot while you're not using it.
Because there's no tank to deplete, you get continuous hot water. And because there's no standby heat loss, you save energy every single day.
Gas vs. Electric Tankless Water Heaters
Both gas and electric tankless systems deliver endless hot water, but the right choice depends on your home's utilities and demand:
Gas Tankless
Higher flow rates — ideal for whole-home use and simultaneous demand. Requires a larger gas line and dedicated venting. Best for larger homes with existing gas service.
Electric Tankless
Simpler installation with no venting. Great for point-of-use, small homes, or additions. Needs adequate electrical panel capacity. Lower upfront cost in many cases.
We assess your home's gas supply, electrical service, and hot water demand, then recommend the option that delivers the performance and savings you want.
Upfront Cost vs. Long-Term Savings
Tankless water heaters cost more upfront than a basic tank — that's the honest truth. But they also last up to 20 years (nearly double a tank's lifespan), save 24–34% on water heating energy, and take up a fraction of the space. Over the life of the unit, most Bronx, Queens, and Brooklyn homeowners come out ahead.
We install all major tankless brands and help you compare models, warranties, and available rebates so you see the full financial picture before deciding. Our goal is the right system for your home — not the most expensive one.
What We Do
More Heating & Hot Water Services
Tankless is just one of the energy-efficient systems we install across the Bronx, Queens & Brooklyn.

Boiler Installation & Repair
Steam, hot water, gas & oil boiler installation, repair, and seasonal maintenance.
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Hot Water Systems
Tank, tankless, and hybrid hot water heater installation sized for your home or building.
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Tankless Water Heaters
Endless hot water on demand with energy-efficient gas and electric tankless systems.
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Steam Heating Systems
One-pipe and two-pipe steam system repair, balancing, and boiler upgrades for older homes.
Learn more
Hydronic Heating
Quiet, even hydronic heating — baseboard, radiant, and fan coil systems for new construction.
Learn more
Radiant Floor Heating
Luxurious warm floors with hydronic and electric radiant heating for any room or build.
Learn morePeople Also Ask
Tankless Water Heater FAQs
Is tankless right for your home? Gas vs. electric, maintenance, and more — answered.
Upgrade to Endless Hot Water Today
The best tankless water heater installer near you is ready to help. Call now or request your free estimate online.
