1. Porch
  2. US
  3. MO
  4. St. Peters
  5. Tankless Water Heater Installation

Top 10 tankless water heater installation services in St. Peters, MO

Porch Pro Headshot Reliable Heating & Cooling

Reliable Heating & Cooling

Tankless Water Heater Installation
Serves St. Peters, 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

House Doctors

Tankless Water Heater Installation
Serves St. Peters, 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 St. Peters, 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 Hampton Heating & Cooling

Hampton Heating & Cooling

Tankless Water Heater Installation
Serves St. Peters, 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

Alpha Sewer Drain & Plumbing

Tankless Water Heater Installation
Serves St. Peters, 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 SMART St. Louis

SMART St. Louis

Tankless Water Heater Installation
Serves St. Peters, 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 All-Star Heating & A/C, Inc.

All-Star Heating & A/C, Inc.

Tankless Water Heater Installation
Serves St. Peters, 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 High Ridge Heating & Cooling

High Ridge Heating & Cooling

Tankless Water Heater Installation
Serves St. Peters, 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 St. Peters, Missouri
(33)
Plumbing replair services
Plumbing replair services
Porch Pro Headshot O. J. Laughlin Plumbing Company, Inc.

O. J. Laughlin Plumbing Company, Inc.

Tankless Water Heater Installation
Serves St. Peters, 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.

Costs to Install a Tankless Hot Water Heater

$1941 - $2237
St. Peters, MO average
Get costs in your area
While $1941 - $2237 represents average costs for St. Peters, use the cost guide to determine prices near you.
Calculate for your area
Want a professional opinion?
Submit your project to local pros and get estimates based on your particular needs.
Get Pro Quotes

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 St. Peters 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
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

All tankless water heater installation services in St. Peters, MO

Porch Pro Headshot American Society Of Heating And Cooling Specialists

American Society Of Heating And Cooling Specialists

Tankless Water Heater Installation
Serves St. Peters, 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 St. Peters, 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 C&G Heating & Cooling

C&G Heating & Cooling

Tankless Water Heater Installation
Serves St. Peters, 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 Cardinal Service and Installation

Cardinal Service and Installation

Tankless Water Heater Installation
Serves St. Peters, 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 Your Remodeling Source

Your Remodeling Source

Tankless Water Heater Installation
Serves St. Peters, 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 Pierson Plumbing Sewer & Drain

Pierson Plumbing Sewer & Drain

Tankless Water Heater Installation
Serves St. Peters, Missouri
Porch Pro Headshot KOKESH, J J & SON

KOKESH, J J & SON

Tankless Water Heater Installation
Serves St. Peters, 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 Missouri Furnace Co

Missouri Furnace Co

Tankless Water Heater Installation
Serves St. Peters, Missouri
Founded in 1962, Missouri Furnace Co is an HVAC specialist that is based in Saint Charles and provides gas pipe installation, furnace installation, air conditioning installation and more.
Founded in 1962, Missouri Furnace Co is an HVAC specialist that is based in Saint Charles and provides gas pipe installation, furnace installation, air conditioning installation and more.
Porch Pro Headshot B W Heating & Cooling

B W Heating & Cooling

Tankless Water Heater Installation
Serves St. Peters, Missouri
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
B W Heating & Cooling is an HVAC specialist that offers HVAC services, humidifier installation, gas line repair and other services. They are based in Saint Louis.
Porch Pro Headshot Earley Plumbing Inc.

Earley Plumbing Inc.

Tankless Water Heater Installation
Serves St. Peters, Missouri
Steve Earley has been providing residents of St. Louis and the greater St. Louis area with exceptional plumbing service since 1970.
Steve Earley has been providing residents of St. Louis and the greater St. Louis area with exceptional plumbing service since 1970.
Porch Pro Headshot Home Green Home, L.L.C.

Home Green Home, L.L.C.

Tankless Water Heater Installation
Serves St. Peters, Missouri
Porch Pro Headshot Grand Oaks Heating & Cooling Inc

Grand Oaks Heating & Cooling Inc

Tankless Water Heater Installation
Serves St. Peters, Missouri
Porch Pro Headshot St. Louis Sewer & Drain Cleaning Service

St. Louis Sewer & Drain Cleaning Service

Tankless Water Heater Installation
Serves St. Peters, Missouri
Porch Pro Headshot Father and Son HVAC

Father and Son HVAC

Tankless Water Heater Installation
Serves St. Peters, Missouri