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Top 10 tankless water heater installation services in O'Fallon, MO

Porch Pro Headshot NPM HEATING & COOLING LLC

NPM HEATING & COOLING LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
Porch Pro Headshot Express Plumbing, LLC

Express Plumbing, LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(323)
Express Plumbing LLC established our St. Louis, MO-based company to provide the personal service that often seems to be lacking from our competitors. Master Plumber Jim Grier has over 26 years of experience and will personally have a hand in every job to ensure the utmost in customer satisfaction ev...Read more about Express Plumbing, LLC
Express Plumbing LLC established our St. Louis, MO-based company to provide the personal service that often seems to be lacking from our competitors. Master Plumber Jim Grier has over 26 years of experience and will personally have a hand in every job to ensure the utmost in customer satisfaction ev...Read more about Express Plumbing, LLC
Porch Pro Headshot House Doctors

House Doctors

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(114)
House Doctors is a national franchise providing the professional alternative to home repair and improvement. Our technicians have at least 10 years of experience, are bonded, insured, show-up at firm, scheduled times, and can do pretty much everything -- plumbing, electric, carpentry, drywall, windo...Read more about House Doctors
House Doctors is a national franchise providing the professional alternative to home repair and improvement. Our technicians have at least 10 years of experience, are bonded, insured, show-up at firm, scheduled times, and can do pretty much everything -- plumbing, electric, carpentry, drywall, windo...Read more about House Doctors
Porch Pro Headshot Premier Plumbing Solutions LLC

Premier Plumbing Solutions LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(5)
"Service was above and beyond! There was a mixup between my realtor who made the appointment and the company. The company was under the impression that I was having an estimate done. I had taken off from work to be at home for the repair. When I voiced that I was under the impression that the re...Read more about Premier Plumbing Solutions LLC
"Service was above and beyond! There was a mixup between my realtor who made the appointment and the company. The company was under the impression that I was having an estimate done. I had taken off from work to be at home for the repair. When I voiced that I was under the impression that the re...Read more about Premier Plumbing Solutions LLC
Porch Pro Headshot Drain King LLC

Drain King LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(5)
"Our Company, Alliance Realty Services, uses Drain King, LLC on a weekly basis. They are prompt, professional, and they really get the job done. We appreciate their hard work and the customer service they demonstrate to our residents."
"Our Company, Alliance Realty Services, uses Drain King, LLC on a weekly basis. They are prompt, professional, and they really get the job done. We appreciate their hard work and the customer service they demonstrate to our residents."
Porch Pro Headshot Hampton Heating & Cooling

Hampton Heating & Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(27)
Hampton Heating and Cooling LLC is a family owned business that operates 24 hours a day. We repair and replace any items that pertain to heating, cooling and refrigeration. Repair and replace heating and cooling equipment, from furnaces, evaporators, condensers, washers, dryers and hot water heater...Read more about Hampton Heating & Cooling
Hampton Heating and Cooling LLC is a family owned business that operates 24 hours a day. We repair and replace any items that pertain to heating, cooling and refrigeration. Repair and replace heating and cooling equipment, from furnaces, evaporators, condensers, washers, dryers and hot water heater...Read more about Hampton Heating & Cooling
Porch Pro Headshot SMART St. Louis

SMART St. Louis

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(15)
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
Porch Pro Headshot DJ's Handyman Services

DJ's Handyman Services

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(24)
Flooring, Concrete, General Building Maintenance, Lawn care & Snow Removal, Hauling & debris Removal, Painting, Commercial /Private/ Rental/foreclosure property Maintenance to include weatherization. Build & Repair Porches & Deck, Roofing, Carpentry, minor Electrical work . NO JOB TO SMALL WE DO I...Read more about DJ's Handyman Services
Flooring, Concrete, General Building Maintenance, Lawn care & Snow Removal, Hauling & debris Removal, Painting, Commercial /Private/ Rental/foreclosure property Maintenance to include weatherization. Build & Repair Porches & Deck, Roofing, Carpentry, minor Electrical work . NO JOB TO SMALL WE DO I...Read more about DJ's Handyman Services
Porch Pro Headshot Pure Plumbing L.L.C.

Pure Plumbing L.L.C.

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(28)
Our services include: New construction, remodel, video camera sewer line inspection, drain cleaning, and water softeners. We replace or repair: water heaters, faucets, toilets, tub-shower valves, garbage disposers, sump pumps, sewer lines, soil stacks, and water lines. Our master plumber served a 5 ...Read more about Pure Plumbing L.L.C.
Our services include: New construction, remodel, video camera sewer line inspection, drain cleaning, and water softeners. We replace or repair: water heaters, faucets, toilets, tub-shower valves, garbage disposers, sump pumps, sewer lines, soil stacks, and water lines. Our master plumber served a 5 ...Read more about Pure Plumbing L.L.C.
Porch Pro Headshot C&G Heating & Cooling

C&G Heating & Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
C&G Heating and Cooling company does both residential and commercial work. We are a Trane Comfort Specialist that specializes in installing high efficient furnace and air conditioners. Call (314) 645-0535 or (636)-394-2700 for all your service needs. We service all brands and we offer free est...Read more about C&G Heating & Cooling
C&G Heating and Cooling company does both residential and commercial work. We are a Trane Comfort Specialist that specializes in installing high efficient furnace and air conditioners. Call (314) 645-0535 or (636)-394-2700 for all your service needs. We service all brands and we offer free est...Read more about C&G Heating & Cooling

Costs to Install a Tankless Hot Water Heater

$1931 - $2225
O'Fallon, MO average
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While $1931 - $2225 represents average costs for O'Fallon, use the cost guide to determine prices near you.
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Top questions to ask before hiring a tankless water heater installer

A professional will assist you with scope and estimates, but having a clear idea of what you want to accomplish will help communication.

Do you want professionals to do everything, or do you have the time and skill to do some of the work?

Many projects such as have a DIY component, such as painting or cleanup.

First and foremost, protect yourself and make sure the contractor and any sub-contractors are licensed, bonded and insured.

Recent reviews for O'Fallon tankless water heater installation services

260206

We had a backup in our basement. I called Drain King and they said they would be out between 12 and 2. I was pleasantly surprised because Bill showed up at 11:30 am. He had our drain cleared in 20 minutes. Was very happy with the service and Bill was a ve...

- Donna Posky-Taylor
76012

A guy named Dee came to my rental home he was late and VERY UNPROFESSIONAL he scratched the toilet up he told us he probably fixed the problem or not he may have pushed the item all the way down. If the toilet stops up again to give him a call and he woul...

- Amelia Miller
101992

BEWARE.... Robert Federer - DRAIN KING PLUMBING took first time buyers money and the sewer line was collapsed but gave buyer a clean written report and only gave buyer a portion of sewer lateral video...A day after the purchase only to find the sewer was...

- DONNA dunn
501215

I just hired them to figure out and install a new chemical-dispensing system in my office. I had some unique requirements, which they figured out and made work nicely! Great communication, friendly, and excellent work. I am a very happy customer!

- Linda Rabenberg
1437

Would recommend.

- Bret Kuhlman

All tankless water heater installation services in O'Fallon, MO

Porch Pro Headshot American Society Of Heating And Cooling Specialists

American Society Of Heating And Cooling Specialists

Tankless Water Heater Installation
Serves O'Fallon, Missouri
MY WORK HAS TO BE DONE RIGHT THE FIRST TIME, ( no call back's allowed) THAT'S MY GUARANTEE. BBB A+ Rated.... Service Call/Consultation $56.25 (25% off retail $75) Ameren Missouri Partnered-rebates upon approval Annual Maintenance Service Agreements-Inquire within, Patriot Club $14.99/Monthly (Two a...Read more about American Society Of Heating And Cooling Specialists
MY WORK HAS TO BE DONE RIGHT THE FIRST TIME, ( no call back's allowed) THAT'S MY GUARANTEE. BBB A+ Rated.... Service Call/Consultation $56.25 (25% off retail $75) Ameren Missouri Partnered-rebates upon approval Annual Maintenance Service Agreements-Inquire within, Patriot Club $14.99/Monthly (Two a...Read more about American Society Of Heating And Cooling Specialists
Porch Pro Headshot O. J. Laughlin Plumbing Company, Inc.

O. J. Laughlin Plumbing Company, Inc.

Tankless Water Heater Installation
Serves O'Fallon, Missouri
O.J. Laughlin Plumbing Company, Inc. is a full service plumbing company with a known and respected reputation throughout the greater St. Louis area. Equipped to service both residential and commercial repair work, we are backed with superior parts and a staff of licensed plumbers who provide years o...Read more about O. J. Laughlin Plumbing Company, Inc.
O.J. Laughlin Plumbing Company, Inc. is a full service plumbing company with a known and respected reputation throughout the greater St. Louis area. Equipped to service both residential and commercial repair work, we are backed with superior parts and a staff of licensed plumbers who provide years o...Read more about O. J. Laughlin Plumbing Company, Inc.
Porch Pro Headshot Your Remodeling Source

Your Remodeling Source

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Customer Satisfaction Your Remodeling Source understands that customer satisfaction starts with arriving at your home on time. You won't have to interrupt your day, wasting valuable time waiting on us. Our on-time record is second to none, and we arrive ready to work. We will apply the same attentio...Read more about Your Remodeling Source
Customer Satisfaction Your Remodeling Source understands that customer satisfaction starts with arriving at your home on time. You won't have to interrupt your day, wasting valuable time waiting on us. Our on-time record is second to none, and we arrive ready to work. We will apply the same attentio...Read more about Your Remodeling Source
Porch Pro Headshot Cardinal Service and Installation

Cardinal Service and Installation

Tankless Water Heater Installation
Serves O'Fallon, Missouri
An HVAC company with over 25 years of experience! We provide exceptional service day or night for all of your emergency needs! And in addition we do installation and repair of food and appliance equipment! Servicing Warren, St. Charles, Lincoln and St. Louis counties!
An HVAC company with over 25 years of experience! We provide exceptional service day or night for all of your emergency needs! And in addition we do installation and repair of food and appliance equipment! Servicing Warren, St. Charles, Lincoln and St. Louis counties!
Porch Pro Headshot Pierson Plumbing Sewer & Drain

Pierson Plumbing Sewer & Drain

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot J.E. Redington Co. Inc

J.E. Redington Co. Inc

Tankless Water Heater Installation
Serves O'Fallon, Missouri
A Complete Residential and Commercial plumbing Service. New construction and repairs including water lines and sewer service We are a 4th generation family owned company in business since 1929
A Complete Residential and Commercial plumbing Service. New construction and repairs including water lines and sewer service We are a 4th generation family owned company in business since 1929
Porch Pro Headshot Home Green Home, L.L.C.

Home Green Home, L.L.C.

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Grand Oaks Heating & Cooling Inc

Grand Oaks Heating & Cooling Inc

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Father and Son HVAC

Father and Son HVAC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Complete Plumbing And Drain Techs

Complete Plumbing And Drain Techs

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot K Edc Plumbing

K Edc Plumbing

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot TC Heating and Cooling

TC Heating and Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Rooterman plumbing

Rooterman plumbing

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Mount's Plumbing LLC

Mount's Plumbing LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri