Tankless Water Heater Installation in Rochester NY

Free estimates on all water heater installations and replacements
AmeriHeat installs tankless water heaters across Rochester NY and the surrounding Monroe, Wayne, and Ontario County area. Gas on-demand systems, indirect water heaters, and standard tank replacements. Owner operated. Justin or Colby answers the phone.
★ 5.0 on Google · 76 Reviews · BBB Accredited · Veteran Owned · Licensed and Insured · Authorized Heil Dealer
Heat Out? AC Down? Call Now.

24/7 Emergency Service Available

No heat in winter, no cool in a heat wave, busted lines. We answer the phone day or night, weekends included.

585 454 8422
5.0 ★
Google · 76 Reviews
Wayne
County, NY
Same Day
Typical Response
All
Types Installed

Rochester homeowners call us when they want honest water heater advice and a straight price.

AmeriHeat is not a franchise. We are a Rochester NY based, truck-based, owner operated HVAC company. Justin or Colby answers the phone. No call centers, no rotating techs, no salesmen booking your service call.

AmeriHeat maintenance plans cover annual furnace tune-ups in fall and AC tune-ups in spring. Each visit is documented in writing. Same day service when available, next day at the latest. For real emergencies, no heat in February or no cool in July, 24/7 service is on the table.

We service every system type. Gas furnaces, oil furnaces, boilers, heat pumps, central AC, and ductless mini splits. You get the price before any work begins. No surprises. No upsells in the driveway

"You talk to the owners. You get a straight price. You get it done right."

The AmeriHeat Promise

The Owners

Justin & Colby

Justin VanCassele and Colby Baker run AmeriHeat together. Colby is a veteran. Both owners are on jobs every week across Rochester and Monroe, Wayne and Ontario Counties.

Give them a call. They actually pick up.

5.0 Google Rating
76 Reviews
Typical Response Same-day when available
24/7 Emergency Service

Three types of water heater installations we handle.

AmeriHeat installs gas tankless water heaters, indirect water heaters paired with boilers, and standard tank replacements across Rochester NY and the surrounding area.

Most Requested
Gas Tankless

Heats water on demand as it flows through the unit. No storage tank. Endless hot water. Typical install 4 to 6 hours. Gas line and venting work included.

Boiler Homes
Indirect Water Heater

Insulated tank heated by your boiler via a heat exchanger. Highly efficient when paired with a modern boiler. Common in Rochester homes with hot water heat.

Standard
Tank Replacement

Like-for-like tank water heater replacement when the existing tank fails or ages out. Gas and electric available. Most installs same day or next day.

Tankless water heater installation in Rochester NY: what we install and what to expect.

AmeriHeat installs tankless water heaters in Rochester NY and the surrounding Monroe, Wayne, and Ontario County area. If you are searching for tankless water heaters Rochester NY or tankless water heater installation Rochester NY, this page covers what we install, how the process works, and what makes Rochester's climate a specific consideration when sizing a gas tankless unit.

Gas tankless water heater installation in Rochester NY

Gas on-demand (tankless) water heaters heat water as it flows through the unit, with no storage tank. When a hot water tap opens, cold water travels through the unit, a gas burner fires, and hot water comes out continuously as long as the tap is open. No recovery time. No tank running out at the end of a long shower.

One important sizing factor for Rochester: groundwater temperature in Monroe County is roughly 45 to 50 degrees Fahrenheit in winter. A tankless unit has to heat incoming water from that baseline up to your desired output temperature (typically 120 degrees). In warmer climates where groundwater runs 60 to 65 degrees, the same unit delivers more flow rate. For Rochester homes with multiple bathrooms or simultaneous hot water demand, this means sizing up rather than buying the minimum unit. We assess your hot water usage pattern and size the unit to your actual needs before the estimate.

Brands we install for gas tankless: Rinnai, Navien, Noritz, and Rheem tankless gas units. These are the four main professional-channel brands with strong service records in the Rochester climate. Free written estimate with equipment model, BTU capacity, flow rate specs, and installation cost before any work begins.

Indirect water heaters for Rochester boiler homes

Indirect water heaters are common in Rochester because so many homes in the area have hot water boiler heat. An indirect water heater is an insulated storage tank that is heated by the boiler via a heat exchanger, so the boiler does double duty: heating the home and heating domestic hot water. When paired with a high-efficiency boiler, an indirect water heater is one of the most efficient domestic hot water options available. It has no burner of its own, no flue of its own, and the tank is heavily insulated so it holds heat for long periods without the boiler running.

We install indirect water heaters as part of boiler replacements and as standalone tank upgrades for existing boiler systems. Brands include Amtrol, Triangle Tube, and Weil-McLain indirect tanks, matched to the boiler brand and heating capacity.

Looking for tankless water heaters Rochester NY? AmeriHeat covers Monroe, Wayne, and Ontario Counties for water heater installation and replacement. Free estimate to assess your current system and recommend the right type. Call 585 454 8422. Justin or Colby answers the phone.

Need a water heater estimate or assessment?

Free written estimate. No pressure. We tell you what type makes sense for your home before you commit.

Standard tank water heater replacement

Not every situation calls for a tankless unit. If your existing 40 or 50-gallon tank water heater has failed or is at the end of its service life and tankless is not the right fit for your home's gas line or venting configuration, a standard tank replacement is the straightforward answer. We install Rheem, Bradford White, and A.O. Smith tank water heaters for residential replacements. Same-day or next-day service when available. We remove the old tank, install the new one, check venting and connections, and test before leaving. Free written estimate before any work begins.

Tank water heaters have a rated service life of eight to twelve years for most residential units. If yours is approaching or past that range and starting to show signs of decline (rust-colored water, rumbling or popping during heating cycles, visible corrosion on the tank body, or water pooling underneath), replacement is more cost-effective than repair in most cases. We will give you an honest written assessment of whether repair makes sense on your specific unit's age and condition before any work begins.

A gas tankless installation typically takes four to six hours. The work includes removing the old water heater, running or extending the gas line to the new location if needed, installing the unit and mounting it to the wall, running new venting (tankless units use direct-vent PVC rather than traditional flue venting in most cases), connecting to the water supply, and testing at multiple flow rates before sign-off. We pull permits where required. Free estimate includes the permit cost in the total if applicable.

Tank water heater replacements are typically faster: two to three hours for a standard like-for-like replacement. We remove the old tank, install the new one, reconnect water and gas lines, test for leaks, and check proper venting. Indirect water heater replacements are similar in scope, with the additional step of connecting the heat exchanger loop to the boiler system.

We service all of Rochester, Pittsford, Fairport, Webster, Penfield, and the wider Monroe County area for water heater work. Victor, Farmington, and Canandaigua in Ontario County. Macedon, Palmyra, Marion, and Wayne County. Same pricing and same process across the entire service zone. Justin or Colby answers the phone at 585 454 8422

Water heater and heating services across Rochester NY.

Water heater installation often comes alongside boiler work, fuel oil service, and heating system replacements. We handle all of it.

Heating

Furnace, boiler, heat pump, and fuel oil service for Rochester homes. Same-day no-heat repair.

Cooling

AC repair, installation, and tune-ups for Rochester homes. Central air and ductless systems.

Fuel Oil Service

Older Rochester area homes still on fuel oil. We service when most companies will not.

Maintenance Plans

Seasonal tune-ups and service plans for Rochester homeowners. Catch small problems early.

Real water heater installation jobs.

Every photo is from an actual AmeriHeat job. No stock. No filters. Labeled with the actual location.

Commercial Water Heater Install

Apartment Building Water Heater Installation

Real Rochester commercial water heater installation in an apartment building. Same careful approach we take on residential installs: proper sizing, permits, and tested before sign-off.

Commercial Water Heater Replacement

Apartment Building Water Heater Replacement

Real Rochester water heater replacement in a commercial apartment building. When an aging tank fails, same-day or next-day replacement when we can schedule it

Boiler + Indirect Water Heater

Boiler Replacement with Indirect Water Heater

Real Macedon boiler replacement that included a new indirect water tank for domestic hot water. Common on boiler homes where the indirect tank and boiler are replaced together.

 

How AmeriHeat works.

Five steps. No pressure. No surprises.

01

Call or book online

Call 585 454 8422 or fill out the form. Justin or Colby answers the phone.

02

We respond within same-day when available, next day at the latest

Same day service when available. Next day at the latest. 24/7 for true emergencies.

03

You get the price before we start

No surprises. You approve the cost in writing before any work begins.

04

We complete the work

Done right the first time with quality parts and clean workmanship.

05

We follow up

If something does not feel right after, call us. We stand behind every job.

Customer Reviews

5.0 on Google across 76 reviews.

Honest feedback from real Rochester area customers. Read every review on our Google profile.

5.0
Google Rating
38
Reviews
100%
5-Star Rate
Read Reviews on Google
Need a Water Heater Quote or Assessment?

Call the owners. Get a straight answer.

Justin or Colby answers the phone. Free estimate to assess your current water heater and recommend the right replacement.

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585 454 8422

Tankless water heater FAQ.

Direct answers to what Rochester homeowners ask before scheduling.

Does AmeriHeat install tankless water heaters in Rochester NY?+
Yes. AmeriHeat installs gas tankless water heaters in Rochester NY and the surrounding Monroe, Wayne, and Ontario County area. We also install indirect water heaters for boiler homes and handle standard tank water heater replacements. Free estimate to assess your current system and recommend the right type for your home. Call 585 454 8422.
What brands of tankless water heater do you install?+
For gas tankless we install Rinnai, Navien, Noritz, and Rheem tankless units. These are the main professional-channel brands with strong service records in the Rochester market. For indirect water heaters we install Amtrol, Triangle Tube, and Weil-McLain indirect tanks matched to the boiler system. Free written estimate includes the specific model, BTU capacity, and flow rate specs before you commit.
How does Rochester's cold climate affect tankless water heater sizing?+
Rochester groundwater runs roughly 45 to 50 degrees Fahrenheit in winter. A gas tankless unit must heat that incoming water up to your output temperature (typically 120 degrees), which is a larger temperature rise than in warmer climates. For homes with multiple bathrooms or simultaneous hot water use, this means sizing up rather than buying the minimum unit. We assess your hot water usage pattern and size the unit to your actual needs before the estimate.
What is an indirect water heater and do I need one?+
An indirect water heater is an insulated storage tank heated by your boiler via a heat exchanger. It has no burner of its own. Indirect water heaters make the most sense for homes with hot water boiler heat, which is common in Rochester's older housing stock. When paired with a high-efficiency boiler, it is one of the most efficient domestic hot water options available. We install indirect water heaters as part of boiler replacements and as standalone upgrades for existing boiler systems.
How long does tankless water heater installation take?+
A gas tankless installation typically takes four to six hours, including removing the old unit, running or extending the gas line if needed, installing the new unit, running new venting, connecting water lines, and testing at multiple flow rates. Standard tank water heater replacements are faster, usually two to three hours. We confirm the estimated installation time as part of the free estimate.
Do you pull permits for water heater installation?+
Yes where required. Permit requirements for water heater installation vary by municipality across Monroe, Wayne, and Ontario Counties. We determine permit requirements for your specific address and include the permit cost in the written estimate so there are no surprises at invoice time.
Is AmeriHeat owner operated?+
Yes. Justin VanCassele and Colby Baker own and run AmeriHeat. Both personally handle installs, service, and customer relationships across Rochester NY and the surrounding area. When you call 585 454 8422, Justin or Colby answers the phone.

Get a free tankless water heater estimate in Rochester NY.

Tell us what is going on with your system. We will tell you what it takes to fix it. No sales pressure. No call center. Justin or Colby answers the phone.

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585 454 8422 7am to 7pm, 7 days · 24/7 emergency · Justin or Colby answers
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Mailing Address
60 Hartsdale Rd, Rochester NY 14622

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