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

Porch Pro Headshot Classic Aire Care

Classic Aire Care

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(821)
Welcome to Classic Aire Care Heating and Cooling: a topnotch heating, air conditioning and plumbing company serving the St. Louis area since 1926. We are a 100% customer focused company that strives to earn your satisfaction with every visit! You'll find we take our job seriously and value the trust...Read more about Classic Aire Care
Welcome to Classic Aire Care Heating and Cooling: a topnotch heating, air conditioning and plumbing company serving the St. Louis area since 1926. We are a 100% customer focused company that strives to earn your satisfaction with every visit! You'll find we take our job seriously and value the trust...Read more about Classic Aire Care
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 Countywide Heating & Cooling

Countywide Heating & Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(45)
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Countywide Heating & Cooling is a full service HVAC company serving the St. Louis city, St. Louis County, Jefferson County, Wildwood, Ballwin, Kirkwood, University City, Ladue, Town and Country, areas and many more! Countywide services all equipment brands including Ruud, Rheem, Trane, Lennox, Goodm...Read more about Countywide Heating & Cooling
Porch Pro Headshot Premier Plumbing Solutions LLC

Premier Plumbing Solutions LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(5)
Dave Walters started Premier Plumbing Solutions, LLC in 2010 after 35 years in the plumbing industry. His decision to start his own company was borne out of his desire to give customers the best possible service, quality, and price with the utmost integrity. He found too many companies focusing on s...Read more about Premier Plumbing Solutions LLC
Dave Walters started Premier Plumbing Solutions, LLC in 2010 after 35 years in the plumbing industry. His decision to start his own company was borne out of his desire to give customers the best possible service, quality, and price with the utmost integrity. He found too many companies focusing on s...Read more about Premier Plumbing Solutions LLC
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 K&N Construction

K&N Construction

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(16)
A full service construction company, dedicated to customer satisfaction. Licensed and insured. BBB accredited and 2013 Angie's List super service award winner.
A full service construction company, dedicated to customer satisfaction. Licensed and insured. BBB accredited and 2013 Angie's List super service award winner.
Porch Pro Headshot High Ridge Heating & Cooling

High Ridge Heating & Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Is your AC or heating unit on its last leg? Do you need HVAC services before the seasons change? Rely on the experts at High Ridge Heating & Cooling for all of your heating and cooling needs. We offer complete HVAC service and installation for both residential and commercial properties. Our HVAC ser...Read more about High Ridge Heating & Cooling
Is your AC or heating unit on its last leg? Do you need HVAC services before the seasons change? Rely on the experts at High Ridge Heating & Cooling for all of your heating and cooling needs. We offer complete HVAC service and installation for both residential and commercial properties. Our HVAC ser...Read more about High Ridge Heating & Cooling
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 Usa plumbing plus

Usa plumbing plus

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(33)
Plumbing replair services
Plumbing replair 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.

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

142731

Flooring, front porch renovation, front door installation, indoor painting--all excellent

- Harry Whitney
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
145396

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...

- April Wilkerson
1437

Would recommend.

- Bret Kuhlman
77901

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck
26782

Great job and came out within an hour.

- debbie suda
77900

Countywide is perfect if you want to pay for a job that won’t be done right or get finished! We paid $4700 to install an air handler and AC unit. Countywide also said they would put in a smart thermostat for us. We originally had one thermostat, County...

- Greg Muck

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

Porch Pro Headshot Roberts Plumbing Solutions LLC

Roberts Plumbing Solutions LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(9)
-All Plumbing Repairs & Remodels- 15 years experience, Family owned and operated
-All Plumbing Repairs & Remodels- 15 years experience, Family owned and operated
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
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 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 Crabtree Heating & Cooling LLC

Crabtree Heating & Cooling LLC

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Crabtree Heating and Cooling is a three generation, Family owned and operated business serving St. Louis County, St. Charles County and Lincoln County and its surrounding municipalities for over 20 years. We value and appreciate the trust placed in us by our customers! Whether your project is big o...Read more about Crabtree Heating & Cooling LLC
Crabtree Heating and Cooling is a three generation, Family owned and operated business serving St. Louis County, St. Charles County and Lincoln County and its surrounding municipalities for over 20 years. We value and appreciate the trust placed in us by our customers! Whether your project is big o...Read more about Crabtree Heating & Cooling LLC
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 KOKESH, J J & SON

KOKESH, J J & SON

Tankless Water Heater Installation
Serves O'Fallon, Missouri
JJ Kokesh and Son is a fourth generation, union, plumbing company, in business since 1894. We specialized in residential and commercial plumbing.
JJ Kokesh and Son is a fourth generation, union, plumbing company, in business since 1894. We specialized in residential and commercial plumbing.
Porch Pro Headshot Trusedale J A Plumbing

Trusedale J A Plumbing

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Truesdale J A Plumbing offers plumbing and sewer & drain services to the Saint Louis area. Call us today!
Truesdale J A Plumbing offers plumbing and sewer & drain services to the Saint Louis area. Call us today!
Porch Pro Headshot bluefrog Plumbing + Drain of St. Louis

bluefrog Plumbing + Drain of St. Louis

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Plumbing Services in St. Louis, MO
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Plumbing Services in St. Louis, MO
Porch Pro Headshot Orr Plumbing Services

Orr Plumbing Services

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(23)
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 Complete Plumbing And Drain Techs

Complete Plumbing And Drain Techs

Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Dawson Dodd

Dawson Dodd

Tankless Water Heater Installation
Serves O'Fallon, Missouri