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Should You Install a Tankless Water Heater for Your Home?

Aug 27
4 min read
Tankless water heater with hot & cold water connections, installed on a wall in Central Oregon

If you've ever been the last person in your household to hop in the shower, you likely know the shivering disappointment of a traditional water heater running out of steam. This common frustration is leading many homeowners to question whether a tankless water heater is perfect for them. Making the switch is a significant decision, but understanding how these modern systems work can help you determine if it's the right move for your comfort and your utility bills.


What Is a Tankless Water Heater?


Unlike a traditional water heater that keeps 40 to 50 gallons of water hot in a large cylinder all day long, a tankless water heater, often called an "on-demand" system, does exactly what the name implies. It is a compact, wall-mounted unit that heats water only when you turn on a faucet or start a load of laundry. Because it doesn't store hot water, it eliminates the need for a bulky tank, saving significant space in your garage or utility closet.


How Does a Tankless Water Heater Work?


When you turn on a hot water tap, cold water travels through a pipe and into the tankless unit. Inside, either an electric element or a gas burner quickly heats the water as it passes through a heat exchanger. This process happens almost instantaneously, providing a steady stream of hot water directly to your fixture. Once the tap is turned off, the unit goes into standby mode, ensuring that no energy is wasted heating water that nobody is using.


What Are the Benefits of Installing a Tankless Water Heater?


A tankless water heater is one of the best choices you can make for your property. Some of the most significant benefits of a tankless water heater installation include:

  • Endless Hot Water – Since the water is heated on demand, you won't "run out" of hot water, even if the dishwasher and shower are running simultaneously.

  • Energy Efficiency – These units are incredibly energy efficient tankless water heaters because they avoid "standby heat loss," which occurs when traditional tanks lose heat while sitting idle.

  • Space Savings – Their small footprint is perfect for smaller homes or for homeowners looking to reclaim square footage.

  • Longevity – While traditional tanks usually last 10–15 years, a well-maintained tankless system can last 20 years or more.


Key Factors to Consider Before Upgrading to Tankless


Before making the switch from a traditional tank to a tankless system, there are a few important details to keep in mind to ensure your new unit performs flawlessly. First, consider the groundwater temperature here in Central Oregon. Since our local water can be quite chilly, your heater needs to work harder to reach your desired output (typically between 100°F and 115°F). Second, you’ll want to calculate your peak flow rate by thinking about your daily habits. For example, if you often run the dishwasher while someone is showering, you'll need a unit capable of handling that combined demand in gallons per minute. Firkus Plumbing is always here to help you navigate these calculations, ensuring your new heater is perfectly sized to provide endless hot water for your specific household needs.


Tankless Water Heaters vs. Traditional Water Heaters


The main difference between tankless and traditional water heaters lies in the delivery method. Traditional heaters are cheaper upfront but more expensive to operate over time because they require constant heating. Tankless systems have a higher initial cost for the unit and installation but offer lower monthly energy bills. Additionally, traditional tanks can eventually leak or burst, potentially causing water damage, whereas tankless units have a much lower risk of catastrophic flooding.


Is It Worth It Switching to a Tankless Water Heater?


For most families, the answer is a resounding yes. If you plan to stay in your home for several years, the energy savings alone often offset the initial investment. It is especially worth it for large families who struggle with hot water availability or for those looking to reduce their carbon footprint by using a tankless electric water heater or a high-efficiency gas model.


What Is the Installation Process of a Tankless Water Heater?


Installing these systems is a precise job that requires professional expertise. The tankless water heater installation process typically involves:

  • Removing the Old Tank – Safely draining and hauling away your existing unit.

  • Upgrading Infrastructure – This may include adjusting gas lines, upgrading electrical circuits, or installing new venting systems to meet local safety codes.

  • Mounting and Connecting – Securing the new unit to the wall and connecting it to your home's water lines.

  • Testing – Ensuring the flow rate and temperature are perfectly calibrated for your household needs.


Tankless Water Heater Installation FAQs


Can I Install a Tankless Water Heater Myself?

We strongly advise against it. Proper venting and gas/electrical connections are critical for safety and to maintain your manufacturer's warranty.


Do Tankless Water Heaters Need Maintenance?

Yes, periodic tankless water heater service is necessary to flush out mineral scale, especially in areas with hard water, to keep the unit running at peak efficiency.


Will It Provide Hot Water Instantly at the Tap?

While it provides endless hot water, it still takes a moment for the water to travel from the unit to the faucet. If instant-at-the-tap water is a priority, we can discuss adding a small recirculation pump.


Contact Firkus Plumbing Tankless Water Heater Installation


Firkus Plumbing takes pride in helping our neighbors stay comfortable year-round with complete plumbing services. Our team of experts specializes in tankless water heater installation throughout Central Oregon, ensuring you get a system that is sized perfectly for your home and installed with the highest standards of craftsmanship. Ready to say goodbye to cold showers for good? Contact Firkus Plumbing today to learn more about our tankless water heater service options.


 
 
 

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