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

Porch Pro Headshot 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 Reliable Heating & Cooling
Tankless Water Heater Installation
Serves O'Fallon, Missouri
(100)
If you are looking for a repair company to service your furnace, air conditioner, or water heater, or if you are in search of the right contractor to install an entirely new HVAC system or water heater for your home, then search no further! Reliable Heating & Cooling is committed to providing you wi...Read more about Reliable Heating & Cooling
If you are looking for a repair company to service your furnace, air conditioner, or water heater, or if you are in search of the right contractor to install an entirely new HVAC system or water heater for your home, then search no further! Reliable Heating & Cooling is committed to providing you wi...Read more about Reliable Heating & Cooling
Porch Pro Headshot 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
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
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 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 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 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 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.
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
Get costs in your area
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

11489

Their name says it all! Very reliable, always do a great job, and show up when they say the will. Highly recommend!

- Laura Michel
11625

Reliable is, as promised, reliable. They show up promptly, do the work you need give a fair price, and don't try to sell you services or goods you do not need. I would call them first for every HVAC or plumbing need.

- Margaret Wehrenberg
11601

Highly recommend; not only were they "reliable" & courteous, they also cleaned up! I will have them for all my heating and cooling needs.

- Anna Brandt
12538

Reliable is just that, reliable! Fair pricing and sensible repair/replace recommendations. Dependable after hours service. Clean installs. As an apartment manager, I've had PLENTY of experience with this company and many others in the St. Louis area. ...

- Jesse York
11490

Reliable Heating and Cooling is THE BEST! Their customer service is fantastic and they are so knowledgeable and HONEST with their estimates and service calls. I ONLY call Reliable.

- Allison Dolak
11672

There the best and very honest!

- Ralph Frank
11496

thank you for the honest and fast service... I would highly recommend

- justin hurayt
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
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

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

Porch Pro Headshot 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 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 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 bluefrog Plumbing + Drain of St. Louis
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Plumbing Services in St. Louis, MO
Plumbing Services in St. Louis, MO
Porch Pro Headshot Orr Plumbing Services
Tankless Water Heater Installation
Serves O'Fallon, Missouri
(23)
Porch Pro Headshot YANKEEPLUMBERLLC
Tankless Water Heater Installation
Serves O'Fallon, Missouri
PLUMBING REPAIR & INSTALL OF FIXTURES & VALVES. SINKS FAUCETS. REPAIR CAST IRON ABS PVC & COPPER DRAINS OR REPLACE. INSTALL NEW SINGLE HANDLE VALVE IN TUB OR SHOWER GOING THRU EXISTING HOLE FROM INSIDE OF TUB OR SHOWER REMOVE 2&3 HANDLE VALVE & REPLACE WITH SINGLE HANDLE VALVE. GARBAGE DISPOSALS.OUT...Read more about YANKEEPLUMBERLLC
PLUMBING REPAIR & INSTALL OF FIXTURES & VALVES. SINKS FAUCETS. REPAIR CAST IRON ABS PVC & COPPER DRAINS OR REPLACE. INSTALL NEW SINGLE HANDLE VALVE IN TUB OR SHOWER GOING THRU EXISTING HOLE FROM INSIDE OF TUB OR SHOWER REMOVE 2&3 HANDLE VALVE & REPLACE WITH SINGLE HANDLE VALVE. GARBAGE DISPOSALS.OUT...Read more about YANKEEPLUMBERLLC
Porch Pro Headshot 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
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 Grand Oaks Heating & Cooling Inc
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Charles Henricks Landscaping & Lawn Care
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot bluefrog Plumbing + Drain of St. Louis
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Dawson Dodd
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot K Edc Plumbing
Tankless Water Heater Installation
Serves O'Fallon, Missouri
Porch Pro Headshot Complete Plumbing And Drain Techs
Tankless Water Heater Installation
Serves O'Fallon, Missouri