Show me search results for:

You can change this selection at any time via the Accredited Business toggle on the search results page.

We use cookies to give users the best content and online experience. By clicking “Accept All Cookies”, you agree to allow us to use all cookies. Visit our Privacy Policy to learn more.

Cookie Preferences

Many websites use cookies or similar tools to store information on your browser or device. We use cookies on BBB websites to remember your preferences, improve website performance and enhance user experience, and to recommend content we believe will be most relevant to you. Most cookies collect anonymous information such as how users arrive at and use the website. Some cookies are necessary to allow the website to function properly, but you may choose to not allow other types of cookies below.

Necessary Cookies

What are necessary cookies?
These cookies are necessary for the site to function and cannot be switched off in our systems. They are usually only set in response to actions made by you that amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not work. These cookies do not store any personally identifiable information.

Necessary cookies must always be enabled.

Functional Cookies

What are functional cookies?
These cookies enable the site to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

Performance Cookies

What are performance cookies?
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Marketing Cookies

What are marketing cookies?
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant content on other sites. They do not store personal information directly, but are based on uniquely identifying your browser or device. If you do not allow these cookies, you will experience less targeted advertising.
Better Business Bureau®
Resources for Businesses
Better Business Bureau
          Category: Tankless Water Heaters

          Showing: 557 results for Tankless Water Heaters
          near Smithtown, NY

          Filter by

          Service Area

          Filter by

          Distance
          Categories
          BBB Rating
          State/Province
          Get Connected
          Sort By
          • Distance
          • Rating

          Roto-Rooter Plumbing & Water Cleanup

          Plumber, Fire and Water Damage Restoration, Plumbing Renovation ...

          BBB Rating: F

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          • Addyston, OH
          • Alexandria, KY
          • Amberley, OH
          • Amelia, OH
          • Anderson Township, OH
          • Anderson, OH
          • Arlington Heights, OH
          • Atwood, KY
          • Aurora, IN
          • Avondale, OH
          • Batavia, OH
          • Beaverlick, KY
          • Belleview, KY
          • Bellevue, KY
          • Bennington, IN
          • Bethany, OH
          • Bethel, OH
          • Bevis, OH
          • Blanchester, OH
          • Blue Ash, OH
          not BBB accredited
          (513) 631-2525

          114 W Main St,
          Smithtown, NY 11787-2605

          Varsity Plumbing & Heating, Inc.

          Plumber, Heating and Air Conditioning, Air Conditioning Contractors ...

          BBB Rating: A
          Service Area

          Serving the following areas:

          • Nassau County, NY
          • Suffolk County, NY
          Accredited BusinessAccredited Business
          (631) 567-6309

          1610 Ocean Avenue,
          Bohemia, NY 11716-1950

          Get a Quote

          Elite Comfort Group, LLC

          Heating and Air Conditioning, Air Conditioning Contractors, Air Conditioning Repair ...

          BBB Rating: F
          Service Area

          Serving the following areas:

          • Suffolk County, NY
          not BBB accredited
          (631) 319-3811

          1121 Lincoln Ave Unit 16,
          Holbrook, NY 11741

          Retro Hot Water & Heating

          Water Heater Installation, Water Heater Repair, Tankless Water Heaters ...

          BBB Rating: A+
          Accredited BusinessAccredited Business
          (631) 629-4876

          214 N Fehr Way Suite C,
          Bay Shore, NY 11706

          N.H. Ross, Inc.

          Plumber, Electrician, Heating and Air Conditioning ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Nassau County, NY
          • Suffolk County, NY
          Accredited BusinessAccredited Business
          (631) 924-2677

          120 Middle Country Road,
          Middle Island, NY 11953

          Get a Quote

          Roto-Rooter Plumbing & Water Cleanup

          Plumber, Fire and Water Damage Restoration, Plumbing Renovation ...

          BBB Rating: F

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          • Addyston, OH
          • Alexandria, KY
          • Amberley, OH
          • Amelia, OH
          • Anderson Township, OH
          • Anderson, OH
          • Arlington Heights, OH
          • Atwood, KY
          • Aurora, IN
          • Avondale, OH
          • Batavia, OH
          • Beaverlick, KY
          • Belleview, KY
          • Bellevue, KY
          • Bennington, IN
          • Bethany, OH
          • Bethel, OH
          • Bevis, OH
          • Blanchester, OH
          • Blue Ash, OH
          Accredited BusinessAccredited Business
          (513) 631-2525

          241 Central Avenue,
          East Farmingdale, NY 11735-6930

          Gold Star Plumbing, Inc.

          Plumber, Air Conditioning Contractors, Air Conditioning Repair ...

          BBB Rating: A+
          Accredited BusinessAccredited Business
          (516) 409-8555

          200 Engineers Drive Hicksville,
          Hicksville, NY 11801

          Get a Quote

          T & H Mechanical Systems LLC

          Heating and Air Conditioning, Air Conditioning Contractors, Air Conditioning Repair ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          • Westchester County, NY
          Accredited BusinessAccredited Business
          (203) 644-1098

          Norwalk, CT 06855-2307

          Get a Quote

          Mr. Rooter of Southern Fairfield County

          Plumber, Drainage Contractors, Plumbing Renovation ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          Accredited BusinessAccredited Business
          (203) 712-8850

          95 Reef Rd,
          Fairfield, CT 06824-5943

          Get a Quote

          Aire Serv of Southwest CT & Shelton

          Heating and Air Conditioning, Air Conditioning Contractors, Air Conditioning Repair ...

          BBB Rating: A
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          • New Haven County, CT
          • CT
          Accredited BusinessAccredited Business
          (203) 736-8952

          95 Reef Rd,
          Fairfield, CT 06824-5943

          Get a Quote

          Mennillo Plumbing

          Plumber, Plumbing Renovation, Sewer Cleaning ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          • New Haven County, CT
          Accredited BusinessAccredited Business
          (203) 394-1766

          75 N Pine Creek Rd,
          Fairfield, CT 06824-4919

          Get a Quote

          Climate Care, LLC

          Heating and Air Conditioning, Air Conditioning Contractors, Duct Cleaning ...

          BBB Rating: C
          Service Area

          Serving the following areas:

          Lower Fairfield County

          • Fairfield County, CT
          not BBB accredited
          (203) 354-2020

          20 Fitch St,
          Norwalk, CT 06855-1309

          Silk Plumbing & Heating, Inc.

          Plumber, Bathroom Remodel, Kitchen Remodel ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          not BBB accredited
          (203) 838-0157

          4 Quincy St,
          Norwalk, CT 06850-4209

          Hellas Air Temp

          Heating and Air Conditioning, Air Conditioning Contractors, Air Conditioning Repair ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • CT
          not BBB accredited
          (203) 852-0666

          52 Connecticut Ave,
          Norwalk, CT 06850-3511

          Poseidon Plumbing Services, LLC

          Plumber, Bathroom Remodel, Kitchen Remodel ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Fairfield County, CT
          Accredited BusinessAccredited Business
          (203) 667-1656

          1 Byrd Rd,
          Norwalk, CT 06850-2803

          Get a Quote

          Related Categories

          Accreditation and Ratings Overview

          Accredited BusinessAccredited Business

          Select businesses earn BBB Accreditation by undergoing a thorough evaluation and upholding the BBB Accreditation Standards.

          A+

          BBB assigns ratings from A+ (highest) to F (lowest). In some cases, BBB will not rate the business (indicated by an NR, or "No Rating") for reasons that include insufficient information about a business or ongoing review/update of the business's file.

          Didn't find the business you were looking for?

          If the business you're looking for isn't in our directory, submit a request to have it added.