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

Top 10 tankless water heater installation services in Union, MO

Porch Pro Headshot Perfect Air

Perfect Air

Tankless Water Heater Installation
Serves Union, Missouri
(1,090)
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Porch Pro Headshot NPM HEATING & COOLING LLC

NPM HEATING & COOLING LLC

Tankless Water Heater Installation
Serves Union, 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 Express Plumbing, LLC

Express Plumbing, LLC

Tankless Water Heater Installation
Serves Union, Missouri
(323)
Express Plumbing LLC established our St. Louis, MO-based company to provide the personal service that often seems to be lacking from our competitors. Master Plumber Jim Grier has over 26 years of experience and will personally have a hand in every job to ensure the utmost in customer satisfaction ev...Read more about Express Plumbing, LLC
Express Plumbing LLC established our St. Louis, MO-based company to provide the personal service that often seems to be lacking from our competitors. Master Plumber Jim Grier has over 26 years of experience and will personally have a hand in every job to ensure the utmost in customer satisfaction ev...Read more about Express Plumbing, LLC
Porch Pro Headshot Reliable Heating & Cooling

Reliable Heating & Cooling

Tankless Water Heater Installation
Serves Union, Missouri
(100)
"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."
"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."
Porch Pro Headshot Heggemann Inc.

Heggemann Inc.

Tankless Water Heater Installation
Serves Union, Missouri
(219)
For all of your plumbing needs, call Heggemann, Inc. today!
For all of your plumbing needs, call Heggemann, Inc. today!
Porch Pro Headshot Flowmasters Plumbing

Flowmasters Plumbing

Tankless Water Heater Installation
Serves Union, Missouri
(34)
"I have been using Flowmasters for several years as my primary plumbing contractor in my home renovations business. Flowmasters has always been very responsive to our needs and easy to work with. They take care of all our projects, from very small to entire home renovations and additions. Mike and h...Read more about Flowmasters Plumbing
"I have been using Flowmasters for several years as my primary plumbing contractor in my home renovations business. Flowmasters has always been very responsive to our needs and easy to work with. They take care of all our projects, from very small to entire home renovations and additions. Mike and h...Read more about Flowmasters Plumbing
Porch Pro Headshot Comfort Zone Heating and Cooling

Comfort Zone Heating and Cooling

Tankless Water Heater Installation
Serves Union, Missouri
(13)
We are your local Heating and Cooling company, with small town values. We only send out knowledgeable and polite service techs. We have been in business for 11 years, serving the local Bourbon, Sullivan, St. Clair, Cuba area and beyond.
We are your local Heating and Cooling company, with small town values. We only send out knowledgeable and polite service techs. We have been in business for 11 years, serving the local Bourbon, Sullivan, St. Clair, Cuba area and beyond.
Porch Pro Headshot AAA About Plumbing Inc.

AAA About Plumbing Inc.

Tankless Water Heater Installation
Serves Union, Missouri
Trust a licensed, bonded, and insured Festus, MO, plumber when you need plumbing projects done around the home. AAA About Plumbing, Inc. is a locally owned and operated company offering same-day and emergency services. We take pride in offering high-quality, reliable service at competitive rates, an...Read more about AAA About Plumbing Inc.
Trust a licensed, bonded, and insured Festus, MO, plumber when you need plumbing projects done around the home. AAA About Plumbing, Inc. is a locally owned and operated company offering same-day and emergency services. We take pride in offering high-quality, reliable service at competitive rates, an...Read more about AAA About Plumbing Inc.
Porch Pro Headshot Royal Flush Plumbing Service LLC

Royal Flush Plumbing Service LLC

Tankless Water Heater Installation
Serves Union, 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 Mr. Rooter Plumbing of St. Charles

Mr. Rooter Plumbing of St. Charles

Tankless Water Heater Installation
Serves Union, Missouri
(119)
St. Charles Plumbing & Drain Cleaning Services
St. Charles Plumbing & Drain Cleaning Services

Costs to Install a Tankless Hot Water Heater

$1774 - $2044
Union, MO average
Get costs in your area
While $1774 - $2044 represents average costs for Union, 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 Union 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
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
10408

Excellent work quality. Excellent responsiveness in communication. Excellent to keep appointment.

Completely satisfied with Comfort Zone's service. Prompt, courteous, professional.

- Richard Abel
69176

All the plumbing had to be replaced.They did a awesome job!

- Mike Frost
26746

excellent service and workmanship.

- wayne olomon
46739

We are trying to sell a home and Laclede Gas advised we had a gas leak somewhere. We contacted Flowmasters and they were able to assess the situation quickly and make needed repairs in a very timely fashion and at a reasonable cost. We would definitely us...

- SUSAN CORDANI
45764

We have been very happy with Flowmasters. They helped us through a very trying time when our first contractor "took the money and ran". We will use them again if needed. Prices are very fair and everyone was kind and professional.

- Karen Schwegler
13221

They earned 5 stars. They were prompt, professional, neat, and provided input which enhanced the outcome.

- Terry Weatherby

All tankless water heater installation services in Union, MO

Porch Pro Headshot SMART St. Louis

SMART St. Louis

Tankless Water Heater Installation
Serves Union, 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 Union, 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 Dream Mill Creations, LLC

Dream Mill Creations, LLC

Tankless Water Heater Installation
Serves Union, Missouri
(4)
Dream Mill Creations, LLC was founded in February 2007 as a custom woodworking shop. I mainly specialized in cabinetry, built-ins, entertainment centers and architectural trimwork. After 6 months in business, clients began asking me to perform a variety of additional services. Over the last sever...Read more about Dream Mill Creations, LLC
Dream Mill Creations, LLC was founded in February 2007 as a custom woodworking shop. I mainly specialized in cabinetry, built-ins, entertainment centers and architectural trimwork. After 6 months in business, clients began asking me to perform a variety of additional services. Over the last sever...Read more about Dream Mill Creations, LLC
Porch Pro Headshot Pure Plumbing L.L.C.

Pure Plumbing L.L.C.

Tankless Water Heater Installation
Serves Union, 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 Midwestern Construction Company, Inc.

Midwestern Construction Company, Inc.

Tankless Water Heater Installation
Serves Union, Missouri
Where Customer Service and Quality Workmanship still matter Save Time And Money: We offer a convenience and cost savings few remodeling contractors can match. For example, we buy our cabinetry straight from the manufacturer so there is no middle man - and a cost savings for you. Our team inclu...Read more about Midwestern Construction Company, Inc.
Where Customer Service and Quality Workmanship still matter Save Time And Money: We offer a convenience and cost savings few remodeling contractors can match. For example, we buy our cabinetry straight from the manufacturer so there is no middle man - and a cost savings for you. Our team inclu...Read more about Midwestern Construction Company, Inc.
Porch Pro Headshot Show Me Services LLC

Show Me Services LLC

Tankless Water Heater Installation
Serves Union, Missouri
Porch Pro Headshot FRUEH

FRUEH

Tankless Water Heater Installation
Serves Union, Missouri
(12)
Data Center CRAC Backflow Testing Plumbing Electrical HVAC
Data Center CRAC Backflow Testing Plumbing Electrical HVAC
Porch Pro Headshot Screenmobile Of ST.Charles

Screenmobile Of ST.Charles

Tankless Water Heater Installation
Serves Union, Missouri
Porch Pro Headshot Energy Stars of St. Louis

Energy Stars of St. Louis

Tankless Water Heater Installation
Serves Union, Missouri
Energy Stars of St Louis is a breath of fresh air in the HVAC industry. We provide exceptional, honest service at a reasonable rate. We pride ourselves on providing the highest value to our customers and stand by everything we install, from the smallest part all the way up to a complete system. B...Read more about Energy Stars of St. Louis
Energy Stars of St Louis is a breath of fresh air in the HVAC industry. We provide exceptional, honest service at a reasonable rate. We pride ourselves on providing the highest value to our customers and stand by everything we install, from the smallest part all the way up to a complete system. B...Read more about Energy Stars of St. Louis
Porch Pro Headshot Father and Son HVAC

Father and Son HVAC

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

Charles Henricks Landscaping & Lawn Care

Tankless Water Heater Installation
Serves Union, Missouri
Porch Pro Headshot Mike's Moonlighting Service

Mike's Moonlighting Service

Tankless Water Heater Installation
Serves Union, Missouri
Porch Pro Headshot Dawson Dodd

Dawson Dodd

Tankless Water Heater Installation
Serves Union, Missouri
Porch Pro Headshot Complete Plumbing And Drain Techs

Complete Plumbing And Drain Techs

Tankless Water Heater Installation
Serves Union, Missouri