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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 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 Craftsman Plumbing Company

Craftsman Plumbing Company

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(335)
Craftsman Plumbing Company is a full-service residential and commercial plumbing contractor, with expertise in all aspects of plumbing. We are licensed, bonded, and insured for your protection. Our team of professional plumbers proudly serves customers throughout the St. Charles County, Warren Count...Read more about Craftsman Plumbing Company
Craftsman Plumbing Company is a full-service residential and commercial plumbing contractor, with expertise in all aspects of plumbing. We are licensed, bonded, and insured for your protection. Our team of professional plumbers proudly serves customers throughout the St. Charles County, Warren Count...Read more about Craftsman Plumbing Company
Porch Pro Headshot Alpha Sewer Drain & Plumbing

Alpha Sewer Drain & Plumbing

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(25)
We are committed to providing you fast, affordable and accurate plumbing services. We have over 18 years of plumbing, code correction, sewer repair and drain cleaning experience. Proudly serving St. Louis, St. Charles, O'Fallon, St, Peters, Chesterfield, Clayton and surrounding areas. We are your lo...Read more about Alpha Sewer Drain & Plumbing
We are committed to providing you fast, affordable and accurate plumbing services. We have over 18 years of plumbing, code correction, sewer repair and drain cleaning experience. Proudly serving St. Louis, St. Charles, O'Fallon, St, Peters, Chesterfield, Clayton and surrounding areas. We are your lo...Read more about Alpha Sewer Drain & Plumbing
Porch Pro Headshot All-Star Heating & A/C, Inc.

All-Star Heating & A/C, Inc.

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(19)
As the seasons change, we here, at All-Star Heating & A/C would like to offer you a friendly reminder that now is the time to have your unit(s) tuned-up by one of our certified technicians. Tune-ups on your HVAC equipment will ensure they are running at full efficiency. Even minor parts such as filt...Read more about All-Star Heating & A/C, Inc.
As the seasons change, we here, at All-Star Heating & A/C would like to offer you a friendly reminder that now is the time to have your unit(s) tuned-up by one of our certified technicians. Tune-ups on your HVAC equipment will ensure they are running at full efficiency. Even minor parts such as filt...Read more about All-Star Heating & A/C, Inc.
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 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.
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

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

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

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 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 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 Fireplace and Grill Center

Fireplace and Grill Center

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(36)
Porch Pro Headshot Astro Heating & Cooling

Astro Heating & Cooling

Tankless Water Heater Installation
Serves O'Fallon, Missouri
(32)
Contact
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 GOLDEN PLUMBING

GOLDEN PLUMBING

Tankless Water Heater Installation
Serves O'Fallon, Missouri
24 HOUR EMERGENCY SERVICE PLUMBING REPAIRS CABLE DRAIN CLEANING CAMERA SEWER INSPECTIONS LOCATING HYDRO-FLUSHING
24 HOUR EMERGENCY SERVICE PLUMBING REPAIRS CABLE DRAIN CLEANING CAMERA SEWER INSPECTIONS LOCATING HYDRO-FLUSHING
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 bluefrog Plumbing + Drain of St. Louis

bluefrog Plumbing + Drain of St. Louis

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 Charles Henricks Landscaping & Lawn Care

Charles Henricks Landscaping & Lawn Care

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