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Tankless water heaters are a popular upgrade for homeowners throughout Northern Kentucky and Greater Cincinnati who want reliable hot water without waiting for a tank to refill. Unlike traditional tank water heaters, these systems only heat water when you need it, which helps reduce energy waste and improve comfort. Arlinghaus provides professional installation, repair, and water heater maintenance for tankless water heaters in Cincinnati, Erlanger, and Florence.
If your current gas water heater struggles to keep up or you are ready to replace a tank water heater with a tankless option, our team helps you choose a system that fits your home and usage. Financing options are available to make the transition easier.
Traditional tank water heaters store a limited amount of hot water. Once it runs out, you wait for the tank to refill and reheat. Tankless models work differently: Water flows through a heat exchanger, and the system heats the water instantly.
This design supports endless hot water and avoids the energy loss that happens when stored water cools between uses.
Key benefits include:
Gas tankless water heaters and electric tankless water heater models both offer strong performance when properly sized. Our technicians evaluate flow rate, household demand, and utility access to ensure the system heats the water efficiently without strain.
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Here are common signs you may need a new tankless water heater:
If several of these issues are happening at once, replacement is often more cost effective than continued repairs.
At Arlinghaus, it all starts with passion. We’re a family-owned business specializing in electrical, plumbing, heating, and air conditioning services. With years of experience and a team of certified residential contractors, we provide reliable services that homeowners can depend on.
We’re proud to serve the communities of Northern Kentucky, Southeast Indiana, and Greater Cincinnati, Ohio areas, with an office based in Northern Kentucky and the Sharonville, Cincinnati area. We love our region, which blends the warmth of happy small-town charm with the variety and excitement of big-city life.
Our award-winning, expertly trained team has over 6,000 five-star reviews. We’ve been voted the Best in Cincinnati for Plumbing, Heating, and Air Conditioning, Best of the North by Cincy Magazine, and Best of NKY for 10 consecutive years, which means our commitment to quality and customer satisfaction is recognized year after year.
It all starts with passion. Arlinghaus is proud to be a trusted, family-owned plumbing and HVAC company in the Kentucky, Cincinnati, and Indiana areas.
It all starts with passion. Arlinghaus is proud to be a trusted, family-owned plumbing and HVAC company in the Kentucky, Cincinnati, and Indiana areas.
Tankless water heaters require specialized installation and care. Arlinghaus provides full-service support to keep your system operating safely and efficiently.
Our services include:
Each service focuses on performance, safety, and long-term reliability.
We’re a family-owned business with deep roots in the Erlanger, Kentucky, and Greater Cincinnati communities. Our commitment to quality service and customer satisfaction has made us a trusted name in the area for years. Here’s a little more about what makes our electrical company stand out:
Family-Owned and Operated:
We’re proud to be a local business that puts the community first.
Experienced Team:
Our team is fully certified, highly trained, and passionate about what they do.
Comprehensive Services:
From minor repairs to full installations, we handle all residential needs.
Customer-First Approach:
We focus on clear communication and friendly service every step of the way.
Satisfaction Guarantee:
We're not happy until you’re happy — every job comes with a satisfaction guarantee.
Thank you to our community for voting Arlinghaus as The Best in Cincinnati, Best of NKY 10 years running , Best of the North and more:
Happy House CLub
And More!
When a water heater has an issue, it affects your entire home. Temperature changes, error codes, or reduced hot water output are signs the system needs attention.
Common repair issues include:
Prompt repairs protect energy efficiency and help prevent larger system failures.
Deciding whether to repair or replace your system depends on age, performance, and repair history.
Repair may make sense if:
Replacement may be the better option if:
Replacing an aging system before failure can reduce downtime and unexpected expenses. We help you understand tankless water heater cost, long term savings, and financing options.
Regular water heater maintenance keeps demand water heaters running efficiently. Without routine service, mineral buildup can restrict flow and reduce heating performance.
A professional tune up includes:
Routine tune ups help extend system life and maintain warranty coverage.
Arlinghaus brings trusted experience and local expertise to every tankless water heater service. Our licensed technicians work with all major tankless brands and focus on accurate diagnostics, efficient repairs, and proper installation to help your system perform at its best. We take the time to explain your options, recommend solutions that fit your home and budget, and complete work to high professional standards. With prompt scheduling, reliable service, and a commitment to long term performance, Arlinghaus helps homeowners enjoy consistent hot water and peace of mind.
If you need installation, repair, or maintenance, Arlinghaus is ready to help. Our team provides clear guidance, dependable service, and financing options designed for homeowners in the Tri-State area.
We believe that one of life’s greatest gifts is the ability to celebrate one’s place in a thriving community, with family and friends, where everyone shares a common set of goals and dreams. We are fortunate to work and live in great communities throughout Kentucky, Cincinnati and Indiana, areas that have welcomed and embraced us over the years. We are happy to give back to those communities through a variety of initiatives, some very public, others totally private. We’re a people-first company.
