Family Owned & Operated Since 1965

Backed by three generations of HVAC experience and old-fashioned customer service.

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A tankless water heater heats water on demand rather than storing a fixed supply in a tank, which means you never have to wait for a tank to refill or worry about the last person in the shower getting cold water. For homeowners across Eastlake and Lake County who are tired of managing a hot water supply that cannot keep up with the household, or who are replacing an aging tank water heater and want to upgrade to a more efficient solution, a tankless system is worth a serious look. Lakeshore Heating & Cooling handles tankless water heater installation and repair with the same honest, professional approach that has earned us five-star ratings across the region.

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What Your Neighbors Are Saying About Us

Kelly Rc
Kelly Rc
Excellent job! Responded quickly to diagnose my system, walked me through the zero interest financing and had my new system up and running before the end of the week. They sell top of the line equipment, arrive on time, are very respectful of your home, and leave nothing to be cleaned up or disposed of. I highly recommend.
Brooke Remington
Brooke Remington
Matt came and fixed our furnace he was absolutely fantastic! He knew exactly what he was doing, extremely knowledgeable, great personality & easy to talk to. Great pricing, made sure we had heat on this below freezing night before he left. 10/10 recommend !
John Zupec
John Zupec
We engaged Lakeshore H & C to install a new furnace and A/C unit. They were professional from the quote thru the install. They took the time to explain what they would do and why. They removed the old unit, laid drop cloths every where and vacuumed the work area when done.
David Linderman
David Linderman
Outstanding service. Our furnace abruptly stopped working today, called this place up, they got someone out to me in the evening, figured out the problem quickly, got it fixed really quickly, reasonably priced, and now my heat is back on already. Super appreciative, will absolutely come to this business in the future anytime the need arises.
Ashley Lehtonen
Ashley Lehtonen
Our furnace wasn’t staying lit, so we called in the morning. Matt was able to come out within a few hours and got us back up and running the same day. Really appreciate the fast service—thank you, Matt!
Sharon Dorrell-Ours
Sharon Dorrell-Ours
Matt assessed the problem, did a power point presentation and answered all of our questions. They arrived on time, and completed the job in the quoted timeframe. They are true professionals that we would highly recommend. Thanks to you and your team Matt!

When Your Tankless Water Heater Needs Repair or Replacement

Tankless water heaters are highly reliable, but they do develop problems over time, particularly in areas with harder water like Lake County where mineral scale accumulation is a common issue. These are the most common signs that your tankless system needs professional attention:

  • Error codes displayed on the unit’s panel
  • Water temperature fluctuating inconsistently during use
  • Hot water flow rate noticeably reduced
  • Unit igniting but not maintaining steady heat output
  • Scale or mineral buildup visible around connections or venting
  • Unit more than 15 years old with declining performance

Tankless water heater repair requires familiarity with the specific components and control systems these units use, which differ significantly from tank water heater repair. Our technicians are experienced with tankless system diagnostics and can identify the actual cause of performance issues rather than guessing.

Why More Eastlake Homeowners Are Switching to Tankless

The most compelling reason to switch to a tankless water heater is the elimination of standby energy loss. A traditional tank water heater keeps 40 to 80 gallons of water hot around the clock regardless of whether anyone is using hot water. That continuous heating consumes energy every hour of every day. A tankless system only activates when hot water is called for, which means no energy is spent maintaining a temperature when the water is just sitting in a tank.

The practical hot water experience is also meaningfully different. A tankless system provides continuous hot water for as long as it is needed rather than drawing down a stored supply. For households that struggle with a standard tank running out during busy mornings or when multiple people are showering or doing laundry simultaneously, the shift to on-demand hot water resolves that problem at the source.

Tankless water heaters also take up significantly less space than tank units, which matters in Eastlake homes where mechanical room space is at a premium. Mounted on a wall rather than standing on the floor, a tankless unit frees up space that can be used for storage or simply makes a utility room more organized and accessible. 

Our Tankless Water Heater Installation and Repair Services

For new installations, we begin with an assessment of your home’s hot water demand and existing infrastructure. Tankless installation may involve gas line sizing for high-flow gas units, dedicated electrical circuit additions for electric models, or venting modifications for condensing units. We identify what is involved in the installation upfront and give you a complete, accurate price before scheduling any work.

On installation day, our licensed technicians handle the complete removal of existing equipment if applicable, all gas or electrical connections, vent installation, water connections, and initial commissioning. We test the unit through full operation before we consider the job done, verifying flow rates and temperature output meet the system’s rated specifications.

For repairs, we diagnose the actual cause of the problem using the unit’s diagnostic codes and direct testing of key components, including the heat exchanger, igniter, flow sensors, and scale buildup condition. Many tankless repairs involve descaling, control board issues, or sensor replacements that are completed during a single visit.

Not every thermostat is compatible with every HVAC system. We verify compatibility before recommending any specific model and handle the complete installation and configuration so your new thermostat communicates correctly with your equipment from day one.

Urgent Tankless Water Heater Service

A tankless water heater failure leaves a household without any hot water until the problem is resolved. For members of our Cool Friends Maintenance Plan, priority service and 24/7 emergency access mean you are not waiting through the night or a weekend without hot water when the situation is urgent.

If you are not a Cool Friends member, contact us and we will do everything we can to get a technician to you as quickly as our schedule allows. We understand that no hot water is not a situation most households can simply manage around for several days.

Why Homeowners in Eastlake Trust Lakeshore Heating & Cooling

For tankless water heater installation and repair in Lake County, here is what homeowners get when they choose us:

Contact us today to schedule your tankless water heater installation or repair, or to ask whether switching to tankless makes sense for your home and household.

Frequently Asked Questions About Tankless Water Heaters

What Is the Difference Between a Tankless and a Tank Water Heater

A tank water heater heats and stores a fixed supply of hot water continuously. A tankless water heater heats water on demand as it flows through the unit with no stored supply. The key practical differences are that tankless systems never run out of hot water during use, consume no standby energy, and take up significantly less space than tank units.

Yes, when the unit is correctly sized for the home’s peak hot water demand. A whole-home tankless water heater is rated by flow rate in gallons per minute and must be sized to handle simultaneous use of the fixtures most likely to run at the same time. Proper sizing is one of the most important factors in a successful tankless installation, and we calculate it based on your household’s actual demand.

For most households, yes over the long term. The energy savings from eliminating standby heat loss typically pay back the higher installation cost within five to ten years depending on energy prices and usage patterns. Tankless units also tend to last longer than tank water heaters, with lifespans of 15 to 20 years or more when properly maintained, which extends the period over which the investment pays back.

A well-maintained tankless water heater typically lasts 15 to 20 years, which is meaningfully longer than the 8 to 12 year average for tank water heaters. Annual maintenance, including descaling in areas with harder water like Lake County, is the single most important factor in achieving the upper end of that lifespan.

Annual descaling is the most important maintenance task for tankless water heaters in Lake County, where hard water causes mineral scale to accumulate on the heat exchanger over time. Scale buildup reduces efficiency, increases energy consumption, and can eventually cause component failures. We also inspect the inlet filter screen, venting, and key components during a service visit to catch any developing issues.