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Tankless Instant On Water Heaters

Also known as on-demand water heaters, tankless instant on water heaters have redefined how we access hot water. These innovative products offer householders an energy-efficient and cost-effective alternative to conventional tank storage heaters.

Guaranteed Plumbing offers householders on-demand hot water and high-efficiency heating. When correctly chosen, a tankless water heater will provide enough hot water for the whole family. Now your family can all shower at night or in the morning without waiting for the water to heat up between showers.

Tankless On-Demand Water Heaters

How Tankless Water Heaters Work

A tankless water heater heats water only when you need it. This design eliminates the need for a bulky storage tank, so it is more energy-efficient and space-saving.

Tankless water heaters function by using a heat exchanger. When you turn on a hot water faucet, cold water enters the unit. The water is swiftly heated using gas burners or electric coils. As the water flows through the heat exchanger, it warms up to provide you with a continuous hot water supply.

When you turn the hot water faucet off, the heaters switch off. Unlike traditional tanks that keep a large volume of water hot at all times, tankless heaters work only when you need hot water.

Benefits of Tankless Water Heaters

There are many advantages to installing a new tankless water heater. These include:

  1. Energy Efficiency: Perhaps the most significant benefit is the energy efficiency. With no standby heat loss, tankless water heaters can significantly reduce energy consumption.
  2. Continuous Hot Water: Tankless water heaters provide a continuous hot water supply, ensuring you never run out. Extended showers or back-to-back laundry loads no longer present a problem.
  3. Space-Saving Design: Tankless units are compact and wall-mounted. They can free up valuable space in your utility room or basement.
  4. Longer Lifespan: Tankless water heaters last longer. The best tankless water heater ranges should last for up to 20 years. Traditional electric water heaters will need replacement in 10 to 12 years.
  5. Reduced Standby Heat Loss: Without a storage tank, there’s no need to keep gallons of water hot. This eliminates standby heat loss, so you save money and energy.
  6. Potential Cost Savings: While the upfront installation costs are higher than traditional tanks, the long-term energy savings make tankless water heaters more cost-effective.
Tankless vs-tank water heater

Types of Tankless Water Heaters

There are two main types of demand-type water heaters – electric and gas-powered. Let’s explore the differences:
1. Electric Tankless Water Heaters: These units are typically smaller. They have lower installation costs, and they’re easier to install. They are ideal for smaller homes. However, electric heaters may struggle to meet the demands of larger households with simultaneous hot water needs.
2. Gas-Powered Tankless Water Heaters: Gas tankless water heaters can provide a higher flow rate, so they are suitable for larger households, with higher hot water demands. Gas systems are efficient and can handle several fixtures running simultaneously. They require venting, gas lines, and a fuel supply, so they cost more.

Choosing the Right Size Tankless Water Heater

Selecting the right model tankless water heater is crucial to ensure a consistent hot water. To choose the appropriate size for your household, consider the following:
1. Flow Rate: Consider how much hot water you need for your home. The required flow rate depends on the number of fixtures (sinks, showers, appliances) that simultaneously draw hot water.
2. Temperature Rise: Calculate the temperature rise. This is the difference between the incoming cold-water temperature and the desired hot-water temperature. The climate plays a significant role in this calculation.
3. Simultaneous Usage: Consider the peak hot water usage in your home. If you have multiple family members using hot water, the right water heater will have a higher flow rate.
Once you have these figures, consult with a professional to help you choose the right new water heater.

sink tankless water heater

Tankless Water Heater Installation

Installing a tankless water heater needs careful planning and professional expertise. Consider the following:

  1. Location: Decide on the location of the unit. Install water heaters closer to the fixtures they serve, reducing heat loss in the pipes. You can install the heater outside if it is protected from freezing temperatures.
  2. Venting: Gas-powered tankless water heaters require a proper vent system to expel combustion gases. This involves venting through a wall or roof. Professional installation ensures safety and compliance with local building codes.
  3. Gas and Electrical Requirements: Ensure you have the necessary gas or electrical connections. Gas water heaters may require a larger gas line and adequate ventilation, while electric units need appropriate electrical capacity.
  4. Professional Installation: Given the installation complexity, it’s recommended you get a professional to handle the process to ensure safety and efficiency.

Maintenance and Care

No matter what your fuel type, regular maintenance will keep your condensing tankless water heaters running optimally. Here are some maintenance tips:

  1. Descaling: Depending on your water quality, mineral deposits can build up in the heat exchanger. Periodic descaling will maintain heater efficiency. Descaling is particularly important where hard water is an issue.
  2. Flushing: Flushing the system removes sediment and debris that can accumulate over time, ensuring a smooth water flow.
  3. Professional Servicing: Consider an annual professional service to inspect the unit, clean components, and address any issues.
  4. Troubleshooting: Familiarize yourself with common issues and their solutions, such as resetting the unit or checking for error codes.

Comparing Tankless Water Heaters to Traditional Tanks

To make an informed decision on whether to install a tankless water heater, let’s compare condensing tankless water heaters with traditional storage tank water heaters:

  1. Efficiency: Tankless water heaters are high-efficiency heating systems because they only heat water when needed. Standby heat loss is eliminated.
  2. Longevity: Tankless units tend to have a longer lifespan, often exceeding 20 years, whereas traditional tanks may last 10-15 years.
  3. Space Requirements: Tankless water heaters save space. They are compact and wall-mounted, while traditional tanks are bulky and use more space.
  4. Operating Costs: While tankless units have a higher upfront cost, they can result in long-term utility savings.

Tankless Water Heaters and Energy Efficiency

Tankless water heaters contribute to a greener, more sustainable future. By reducing energy consumption and greenhouse gas emissions, tankless heaters play a significant role in environmental conservation. Homeowners who choose energy-efficient appliances like tankless water heaters may be eligible for rebates and incentives from local and federal authorities, further incentivizing the shift towards green technologies.

Common Misconceptions

There are several misconceptions surrounding tankless water heaters:

  1. They Provide Instant Hot Water: While they do provide hot water on demand, it may take a moment for the unit to heat water to the desired temperature, just like turning on a traditional hot water tap.
  2. They’re Inefficient for Smaller Homes: While smaller homes may not have the same hot water demands as larger ones, tankless units are versatile and available in various sizes to accommodate different needs.
  3. They’re Expensive: While tankless water heaters have a higher upfront cost, their long-term savings on utility bills often make them more cost-effective.

Tankless Water Heater Cost Considerations

When considering a tankless water heater for your home, it’s essential to factor in the costs. These include the price of the unit itself, installation expenses, and long-term energy savings. The initial investment may be higher than that of traditional tanks. The efficiency, energy factor, and longevity of tankless units can make them a cost-effective choice in the long run.

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