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

Porch Pro Headshot Classic Aire Care

Classic Aire Care

Tankless Water Heater Installation
Serves St. Louis, 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 Craftsman Plumbing Company

Craftsman Plumbing Company

Tankless Water Heater Installation
Serves St. Louis, 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 Reliable Heating & Cooling

Reliable Heating & Cooling

Tankless Water Heater Installation
Serves St. Louis, Missouri
(100)
"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. Reliable is the best by far."
"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. Reliable is the best by far."
Porch Pro Headshot House Doctors

House Doctors

Tankless Water Heater Installation
Serves St. Louis, 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 Jaenke Heating & Air Conditioning

Jaenke Heating & Air Conditioning

Tankless Water Heater Installation
Serves St. Louis, Missouri
(76)
Since 1969, Jaenke Heating & Air Conditioning has provided heating and air conditioning services in Waterloo, IL and beyond. Our team is dedicated to helping homes and businesses across Randolph, Monroe, & St. Clair Counties find the HVAC solutions they need and deserve. We take the time to listen t...Read more about Jaenke Heating & Air Conditioning
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Since 1969, Jaenke Heating & Air Conditioning has provided heating and air conditioning services in Waterloo, IL and beyond. Our team is dedicated to helping homes and businesses across Randolph, Monroe, & St. Clair Counties find the HVAC solutions they need and deserve. We take the time to listen t...Read more about Jaenke Heating & Air Conditioning
Porch Pro Headshot Drain King LLC

Drain King LLC

Tankless Water Heater Installation
Serves St. Louis, 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 Air-Pro Heating & Air Conditioning Inc

Air-Pro Heating & Air Conditioning Inc

Tankless Water Heater Installation
Serves St. Louis, Missouri
(24)
Air-Pro Heating & Air Conditioning established in 1993 24 Hour emergency service -Honor most all brands parts warranty -Service agreements -New construction installations (Large custom homes specialist) -Existing home equipment upgrades -Duct leakage testing -Geothermal installation -Heat Pumps Air ...Read more about Air-Pro Heating & Air Conditioning Inc
Air-Pro Heating & Air Conditioning established in 1993 24 Hour emergency service -Honor most all brands parts warranty -Service agreements -New construction installations (Large custom homes specialist) -Existing home equipment upgrades -Duct leakage testing -Geothermal installation -Heat Pumps Air ...Read more about Air-Pro Heating & Air Conditioning Inc
Porch Pro Headshot Royal Flush Plumbing Service LLC

Royal Flush Plumbing Service LLC

Tankless Water Heater Installation
Serves St. Louis, Missouri
Member of Missouri Plumbing, Heating and Cooling contractors. You may also find our business in Angie's list. We fully strive to have exceptional service, with prices that won't break your bank. The plumber that visits your home is not simply a plumber, but a master plumber and also the owner of the...Read more about Royal Flush Plumbing Service LLC
Member of Missouri Plumbing, Heating and Cooling contractors. You may also find our business in Angie's list. We fully strive to have exceptional service, with prices that won't break your bank. The plumber that visits your home is not simply a plumber, but a master plumber and also the owner of the...Read more about Royal Flush Plumbing Service LLC
Porch Pro Headshot SMART St. Louis

SMART St. Louis

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

High Ridge Heating & Cooling

Tankless Water Heater Installation
Serves St. Louis, 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

Costs to Install a Tankless Hot Water Heater

$1588 - $1830
St. Louis, MO average
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While $1588 - $1830 represents average costs for St. Louis, 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 St. Louis 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
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
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

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

Porch Pro Headshot Usa plumbing plus

Usa plumbing plus

Tankless Water Heater Installation
Serves St. Louis, Missouri
(33)
Plumbing replair services
Plumbing replair services
Porch Pro Headshot St Louis Water Heater Repair

St Louis Water Heater Repair

Tankless Water Heater Installation
Serves St. Louis, Missouri
St Louis Water Heater Repair is a full service plumber with our focus and expertise on hot water heaters. We fix, service, maintain, and replace water heaters of any make and model or setup like electric, gas, tankless, etc. We have the capability to work on all residential and commercial water he...Read more about St Louis Water Heater Repair
St Louis Water Heater Repair is a full service plumber with our focus and expertise on hot water heaters. We fix, service, maintain, and replace water heaters of any make and model or setup like electric, gas, tankless, etc. We have the capability to work on all residential and commercial water he...Read more about St Louis Water Heater Repair
Porch Pro Headshot Paul's Walls & Paint

Paul's Walls & Paint

Tankless Water Heater Installation
Serves St. Louis, Missouri
Halfprice handyman Service offers residential repairs and home improvements from roofing to foundations leaks and everything in between for a fraction of what average commercial companies charge. We are family owned and operated which saves us tons on overhead and we pass the savings on to you
Halfprice handyman Service offers residential repairs and home improvements from roofing to foundations leaks and everything in between for a fraction of what average commercial companies charge. We are family owned and operated which saves us tons on overhead and we pass the savings on to you
Porch Pro Headshot Pierson Plumbing Sewer & Drain

Pierson Plumbing Sewer & Drain

Tankless Water Heater Installation
Serves St. Louis, Missouri
Porch Pro Headshot Astro Heating & Cooling

Astro Heating & Cooling

Tankless Water Heater Installation
Serves St. Louis, Missouri
(32)
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Porch Pro Headshot Rooterman Plumbing

Rooterman Plumbing

Tankless Water Heater Installation
Serves St. Louis, Missouri
We are a fully licensed ,bonded,and insured plumbing,and home improvement company. We offer sewer and drain cleaning, septic services, water heater services, garbage disposals, faucet repair, sewer and water line replacement, gas installation and repairs,new construction ,kitchen and bathroom remode...Read more about Rooterman Plumbing
We are a fully licensed ,bonded,and insured plumbing,and home improvement company. We offer sewer and drain cleaning, septic services, water heater services, garbage disposals, faucet repair, sewer and water line replacement, gas installation and repairs,new construction ,kitchen and bathroom remode...Read more about Rooterman Plumbing
Porch Pro Headshot B W Heating & Cooling

B W Heating & Cooling

Tankless Water Heater Installation
Serves St. Louis, 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 Home Green Home, L.L.C.

Home Green Home, L.L.C.

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

St. Louis Sewer & Drain Cleaning Service

Tankless Water Heater Installation
Serves St. Louis, Missouri
Porch Pro Headshot Charles Henricks Landscaping & Lawn Care

Charles Henricks Landscaping & Lawn Care

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

Father and Son HVAC

Tankless Water Heater Installation
Serves St. Louis, Missouri
Porch Pro Headshot Dawson Dodd

Dawson Dodd

Tankless Water Heater Installation
Serves St. Louis, Missouri
Porch Pro Headshot New Systems Heating and Cooling

New Systems Heating and Cooling

Tankless Water Heater Installation
Serves St. Louis, Missouri