Water heater Repair and Replacement
TMI offers expert water heater repair and installation across Davenport, Bettendorf, Rock Island, and Moline. From tankless to traditional units, we ensure reliable hot water and top-notch service—every time.
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Water Heater Services From TMI
Every home has unique water heating needs. That’s why we offer both traditional hot water tanks and innovative tankless options. Our traditional hot water tanks are reliable and time-tested. Tankless water heaters operate by heating water directly on demand, eliminating the need for storing hot water in tanks. This not only conserves energy by reducing standby heat loss but also ensures an endless supply of hot water, perfect for busy households. We’ll ensure you receive the best solution for your home and family’s needs.
Schedule your water heater repair or installation service right now to keep your home’s supply of hot water operating efficiently and reliably.
Water Heater Repair
When your water heater isn’t providing hot water or showing signs of trouble, TMI offers expert water heater repair services across Eastern Iowa and Western Illinois. Our certified technicians specialize in fixing tank and tankless systems, addressing leaks, strange noises, and inconsistent temperatures to ensure your hot water is back up and running quickly. With prompt service and quality workmanship, we keep your water heater in top condition.
Types of Water Heaters We Service
TMI provides expert repair and installation services for a variety of water heater types to meet your home’s specific needs:
- Tankless Water Heaters: Offering energy-efficient, on-demand hot water, tankless units are ideal for homes looking to reduce energy consumption. We handle everything from new installations to repairs, ensuring consistent hot water supply.
- Gas Water Heaters: Gas-powered units are a popular choice for their quick heating capabilities. Our team provides installation, repairs, and maintenance services for all gas water heater models, ensuring they operate safely and efficiently.
- Electric Water Heaters: Known for their reliability and ease of installation, electric water heaters are a practical option for many homeowners. We service and install electric units to keep your home’s hot water flowing smoothly.
- Hybrid Water Heaters: Combining the efficiency of a heat pump with traditional heating elements, hybrid water heaters offer a balance of performance and energy savings. We provide installation, repair, and maintenance services for hybrid models.
- Solar Water Heaters: For an eco-friendly approach, solar water heaters use energy from the sun to heat your water. Our experienced technicians can install and maintain these systems to help you save on energy costs.
No matter the type of water heater, TMI ensures reliable service to keep your system running efficiently in Davenport, Bettendorf, Rock Island, Moline, and surrounding areas.
Water Heater Installation
For professional water heater installation, trust TMI to serve homes in Greater Davenport Area. Whether you need a traditional tank model or a modern tankless system, our experienced team will help you choose the right unit for your needs. We ensure efficient installation, focusing on energy efficiency and reliable performance to keep your home’s hot water supply consistent and cost-effective.
- New Water Heater Installation: Our team helps you choose the best water heater for your home, considering factors such as energy efficiency, capacity, and fuel type (gas, electric, or tankless).
- Water Heater Replacement: If your old unit is failing or outdated, we’ll replace it with a more efficient model, ensuring a seamless transition with minimal disruption.
- Tankless Water Heater Installation: For homeowners seeking energy-efficient, on-demand hot water, we install advanced tankless units that save space and reduce utility bills.
- Expansion Tank Installation: We install expansion tanks to prevent pressure buildup in your water heater, prolonging its lifespan and enhancing safety.
- Upgrading to Smart Water Heaters: We can upgrade your system with smart water heaters that allow remote control of temperature settings and monitor usage patterns for optimal efficiency.
- Permit and Code Compliance: Our technicians handle all necessary permits and ensure your installation meets local codes and safety standards.
Book your Water Heater Repair or Installation Service
Schedule your water heater service today and enjoy reliable hot water in your Davenport, Bettendorf, Rock Island, or Moline home.
Don’t wait—our friendly staff is here to help, so pick up the phone and call us at 563.900.8788 today!
Join the Diamond Club for Year-Round Plumbing Protection
Enjoy peace of mind with TMI’s Diamond Club Plumbing Maintenance. Get priority service, annual inspections, and discounts on repairs to keep your plumbing system running smoothly. Learn more and sign up today!
Complete Plumbing Services

Drain Cleaning
TMI offers professional drain cleaning services to clear clogs and restore proper flow to your plumbing system. Using advanced tools and techniques, we ensure your drains are clean, efficient, and free of blockages.

Sewer Repairs
We provide reliable sewer repair services to address blockages, cracks, and leaks in your sewer line. Our expert technicians use advanced methods to restore your system and prevent costly disruptions.

Water Heater Install & Repair
TMI provides expert water heater services, including installation, repair, and maintenance for all types of systems. Whether you need a new energy-efficient unit or fast repairs, we ensure reliable hot water for your home.

Leak Detection & Repair
We specialize in professional leak detection and repair services, quickly identifying and fixing hidden leaks to prevent water damage and wasted resources. Trust our experts to keep your plumbing system safe, efficient, and reliable.

Kitchen & Bath Remodeling
Transform your kitchen and bath with expert remodeling services that blend modern design and functionality. From plumbing upgrades to fixture installations, we deliver results that match your style and enhance comfort.

Water Treatment
Ensure clean, safe water in your home with professional water treatment services. From filtration systems to water softeners, we provide solutions to improve water quality and protect your plumbing.

Pump Services
Get reliable performance with expert pump services, including installation, repair, and maintenance. Whether it’s a sump pump or well pump, we ensure your system operates efficiently to protect your home.

Pipe Repair & Replacement
Ensure your plumbing system runs smoothly with expert pipe services, including installation, repairs, and replacements. From leaks to damaged pipes, we provide durable solutions to keep your water flowing efficiently.

Toilet Installation & Repair
Upgrade or repair your bathroom with professional toilet services, including installations, repairs, and replacements. From fixing leaks to installing efficient new models, we ensure reliable performance and water savings.

Gas Lines Install & Repair
Guarantee safety and reliability with expert gas line services, including installation, repairs, and inspections. We provide trusted solutions to keep your home’s gas system operating efficiently and safely.
What Your Neighbors Are Saying About Us
Paula Pappas
Today Tom Assmann came to my home to assess multiple issues with my plumbing. I was impressed with his vast knowledge and expertise, and how he honed in on the source of the problem right away. After giving me a thorough explanation he explained the options and his... Read more
John Krantz
Eric was on time, actually early. He was very professional and thorough. The replacement of the water heater, removing outdated valves and updating water and gas lines was done with great efficiency. Eric was very knowledgeable about every aspect of the the job. And he took... Read more
Jacqueline Moreland
Tom A. was great! He was super friendly. Very respectful to me and my home. He was knowledgeable about the repair that needed done, and he was able to communicate to me in layman’s term so I understood. He arrived on time and the repair was made rather quickly. My cat even... Read more
Kristin Shaw
We had our AC unit serviced today by Francisco. He explained everything in detail and showed me pictures of what he had done. He arrived on time and was very personable. I was very impressed by him. TMI has an excellent employee in Francisco.
Gordon Fordyce
Brandon & Calan from TMI performed our annual pre-season A/C check today. They were both very pleasant, friendly and competent in their work. In addition to the equipment inspection they went above & beyond a normal service call and repositioned the condenser unit... Read more
Samantha Kasam
Brandon and Caleb came out to address an issue with our garage heater. They were very professional and polite explaining everything to us along the way. I will definitely give them a call for any future needs! Thanks guys!
Ryan and Meghan Buchanan
Justin was very helpful in taking care of our plumbing needs. He takes the time to make sure things are how they should be. Would be happy to have him back. Appreciate his help. He is friendly. He has the customers best interest in mind and goes above and beyond.
Mark Pisman
Tom & Robert were promptly on time and spent the entire day on site to replace a badly cracked pipe in my basement. They worked to preserve the shelving that had been built around the cracked pipe. They were extremely helpful with any questions I had regarding my new water... Read more
Leslie Wakeland
Devon H did a phenomenal job. He was on time and worked quickly to diagnose our issue and give us options for resolving the issue. The job was completed well and he gave a great overview of maintenance and knowledge of our new appliance.
Sarah Mitchell
Tom is always such a pleasure to work with, and today’s service call was no exception. He asked questions, investigated thoroughly, and explained his findings and plan in a helpful manner. I even observed his kind and courteous nature toward his partner — so refreshing. Work... Read more
Brandon M.W. Chaison
We had a great experience with Tom and Robert with the ease of installation with garbage disposal and pipe rerouting for our kitchen updates. They were quick, thorough, personable, and caring. TMI and this particular team are recommended.
Connie King
Tom from TMI discovered that the main house drain was nearly plugged--I was totally unaware of it. He cleaned it out, and what a difference. Then he fixed a couple of faucets as well. Very knowledgeable, extremely competent, and a great sense of humor besides. Very pleased... Read more
Lori Roudebush
Our furnace wasn't heating properly and our visit from TMI was super prompt, within 2 hours. Brandon Lamar was super helpful when answering all our questions. He let us know everything about the maintenance plans, warranty, changing filters, in both the furnace and humidifier,... Read more