Serving Michigan

Reliable & Fast Tankless Water Heater Repair

We repair tankless water heaters across Michigan year round. You can trust Moore Mechanical to find the fault and get your hot water back.

Heating, cooling and plumbing from one company since 1996
Free second opinion if you already have a quote
Residential and commercial, all year round

(800) 504-1058

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4.7 from 1,568 Google reviews

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OPERATING SINCE 1996

25K HAPPY CUSTOMERS

RESIDENTIAL & COMMERCIAL

keep your home comfortable

Tankless Water Heater Repair & Maintenance in Michigan

Looking for a reliable solution to ensure endless hot water? Tankless water heaters are a popular choice for many Michigan homeowners, providing on-demand hot water and energy efficiency. At Moore Mechanical, we specialize in tankless water heater repair and maintenance, making sure your system operates smoothly and efficiently. Whether your water heater is not producing hot water, showing error codes, or making unusual noises, we can help restore its performance quickly and affordably.

Michigan Tankless Water Heater Repair Since 1996

Since 1996, Moore Mechanical has been the trusted name in water heater services across Michigan. From Cheboygan to Petoskey, down to Honor, Traverse City and Grand Rapids, and across to Detroit, we’ve repaired and maintained tankless water heaters for thousands of satisfied customers. Whether you need a quick repair for a malfunctioning tankless water heater or routine maintenance to keep your system running at peak efficiency, our experienced technicians are ready to help.

We’re proud to provide reliable tankless water heater solutions across the region, ensuring your home has a continuous supply of hot water year-round. Trust our skilled and certified team to keep your system running smoothly and efficiently.

(800) 504-1058

Moore Mechanical Service Area

Wondering if Moore Mechanical can make it to your home or business? Check out our Michigan Service area to the right, and be confident that we can serve your needs.

(800) 504-1058

Our Northern Michigan Locations

Cheboygan
Petoskey
Traverse City
Honor
McBain
Cadillac

Northern Michigan Service Area

Cheboygan County
Presque Isle County
Emmet County
Otsego County
Charlevoix County
Antrim County
Kalkaska County
Grand Traverse County
Leelanau County
Benzie County
Manistee County
Wexford County
Missaukee County
Clare County
Osceola County
Lake County
Mason County

Our West Michigan Location

Grand Rapids

West Michigan Service Area

Oceana County
Newaygo County
Mecosta County
Isabella County
Montcalm County
Kent County
Ionia County
Barry County
Allegan County
Ottawa County
Muskegon County

Our Central Michigan Location

Lansing

Our Central Michigan Service Area

Ingham County

Our South East Michigan Location

Detroit

Our South East Michigan Service Area

Oakland County
Wayne County

Customer
Reviews

       
 Excellent4.61583 reviews
 4.6
 Excellent1583 reviews
  Write a review 
 
 
 
       Posted on Google  
   
   Terese I 
 1 October 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Jeff was great!!identified a pinhole leak behind our bathroom wall very quickly and fixed it quickly! A relief and a pleasure to do business with!
  
 
 
     Posted on Google  
   
   B C 
 30 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Friendly, fast & efficient.  Respectfully of property.  Very pleased.
  
 
 
     Posted on Google  
   
   K. H 
 29 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Fast, responsive, and extremely helpful in fixing our shower leak!
  
 
 
     Posted on Google  
   
   Mary K 
 28 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  From the phone call to schedule the service needed to the completion, all contacts were professional and timely. Prices appropriate. I have been a Moore customer since 2014 and would not change...every contact through the years has been great!

Mary K
  
 
 
     Posted on Google  
   
   Adrienne S 
 28 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Jordan was very knowledgeable and thorough. I appreciated his explanations if what the test results were finding.
  
 
 
     Posted on Google  
   
   Michael S 
 28 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Jeremy showed up on time. Very professional. Got right to work and very thorough. Very pleasant and cordial individual. Thanks to Moore Mechanical and Jeremy.
  
 
 
     Posted on Google  
   
   Millie L 
 25 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Excellent service - very happy with results! Super helpful, knowledgeable and informative.
  
 
 
     Posted on Google  
   
   Andy K 
 24 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  On time, polite
  
 
 
     Posted on Google  
   
   Peter S 
 22 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  I have the maintenance plan and first visit was great! Technician was knowledgeable professional and polite.
  
 
 
     Posted on Google  
   
   Jordan P 
 21 September 2026
 
 
 Trustindex verifies that the original source of the review is Google.  The guy and young lady that came were great and fast service
  
 
 
 
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INSTANTLY BOOK ONLINE OR CALL OUR OFFICE

We’re In Michigan - Ready to Repair Your Tankless Water Heater

Is your tankless water heater leaving you without hot water? Our team at Moore Mechanical is here to get your tankless water heater back in action fast. Book online instantly for a hassle-free service experience, and trust our expert technicians to ensure your home gets hot water when you need it most. We’re ready to restore your comfort. We look forward to meeting you!

(800) 504-1058

Frequently Asked Questions

Why is my tankless water heater not providing hot water?

Tankless water heaters may stop producing hot water due to issues like a clogged filter, mineral buildup, or a faulty heat exchanger. Electrical or gas supply issues can also cause problems. A professional can diagnose and fix the issue quickly.

How often should I service my tankless water heater?

Tankless water heaters should be serviced annually to remove mineral buildup, check filters, and ensure all components are functioning properly. Regular maintenance will keep the system efficient and extend its life.

Why is my tankless water heater making strange noises?

Unusual noises can be caused by sediment buildup, air in the water lines, or loose parts within the unit. Regular descaling and professional inspections can help resolve these issues and keep the heater running smoothly.

Can I repair my tankless water heater myself?

While minor issues like resetting the system or cleaning filters can be handled by homeowners, more complex repairs, especially those involving gas or electrical components, should be left to a licensed technician for safety and accuracy.

What are common signs my tankless water heater needs repair?

Signs include fluctuating water temperatures, error codes on the display panel, a sudden decrease in water pressure, or frequent shutdowns. These indicate the need for a professional inspection and possible repairs.

How long does a tankless water heater last?

With proper maintenance, a tankless water heater can last 20 years or more. Regular flushing and professional servicing will ensure its longevity and consistent performance.

Moore Mechanical
Annual Service Memberships

Silver member

$ 17

/mo

Everything you need to keep your single piece of equipment operating efficiently.

Annual HVAC Maintenance Visit
10% Discount On Parts
One (1) Filter Replacement
$150 Credit For New System
One Visual Plumbing Inspection
Covers Two Pieces Of Equipment

Buy Silver

our Other Services

Moore Mechanical provides a comprehensive suite of Heating, Cooling, Air Care and Plumbing Services.

Heating Service

Routine Maintenance, Installation & Repair

Heating

Cooling Service

Routine Maintenance, Installation & Repair

Cooling

Plumbing Service

Routine Maintenance, Installation & Repair

Plumbing

Air Care Service

Routine Maintenance, Installation & Repair

Air Care

Ventilation Service

Installation, Replacement & Repair

Ventilation

our Other Services

Moore Mechanical provides a comprehensive suite of Heating, Cooling, Air Care and Plumbing Services.

Heating Service

Routine Maintenance, Installation & Repair

Heating

Cooling Service

Routine Maintenance, Installation & Repair

Cooling

Plumbing Service

Routine Maintenance, Installation & Repair

Plumbing

Air Care Service

Routine Maintenance, Installation & Repair

Air Care

Ventilation Service

Installation, Replacement & Repair

Ventilation

Serving Michigan