Every Home Runs on Hot Water Differently

A cramped closet, a big family, an old gas line.
No two water heaters get picked the same way.

We size it to your building, not the other way around. 

When a reset won't fix it

Two wall-mounted AO Smith tankless water heaters connected to copper piping in a mechanical room.
AO Smith commercial water heater installed in a Brooklyn mechanical room by Stanley Lewis Plumbing & Heating.
Two AO Smith commercial water heaters and three high-efficiency water heaters connected with copper piping in a mechanical room.
Two high-efficiency wall-mounted boilers installed in a mechanical room with connected venting and plumbing.

How Water Heater Installation and Repair Works

Water heater installation and repair starts with a straight answer on what you actually have. Most water heaters fail on their own schedule, usually the worst possible day. That means knowing the age, size, fuel type, and whether it's still worth repairing or time to replace. Tankless units run longer and take up almost no floor space, but they're not the right call for every house. Older gas lines and smaller budgets sometimes make a standard tank the smarter buy. We walk you through both before you spend a dollar. Read more on water heater options and replacement.

Same-day diagnosis on nearly every no-hot-water call. We install both tank and tankless, gas and electric, sized to your building instead of whatever's biggest on the truck. If it can be repaired, we repair it. If it can't, you'll know why before we quote a replacement.

Tank or tankless, which is right for my building?

How long does a water heater actually last?

Do I need a permit to replace my water heater in NYC?

What Our Customers Are Saying

Five white stars arranged in a horizontal row.

Mr. Alex Lewis and his technical team were very responsive, professional and personable... works very hard at finding me a solution.

— Roberta F. —

Five white stars arranged in a horizontal row.

Everything was handled promptly and professionally... Communication was excellent. The technician arrived right on time.

— Philip N. —

Five white stars arranged in a horizontal row.

Fast, efficient, very smart, hard working and courteous. Got my Gas Piping up to code - passed the Grid Inspection.

— Valerie C. —