Are Propane Tankless Water Heaters Worth It?

If you want to enjoy hot water on demand, consider buying or using a tankless water heater. If you’re going to choose a fuel efficiency water heater, then a propane tankless water heater will be a perfect choice. It is vital to understand that the new propane tankless water heaters work differently, and it will help you save more on your energy bills.

It is crucial to note that propane water heaters are environment-friendly, and they are a cost-effective option that you can choose for both your cottage and your home. If you have never used this type of tankless water heater, there is a lot that you are missing. The following are some of the reasons that prove that propane tankless water heaters are worth it.

Improved Efficiency

It is essential to understand that propane water heaters heat twice as much water in an hour than other tankless water heaters. In other words, homeowners will get more hot water, which will reduce the amount of energy that it takes to heat and store your hot water.

Save Money

The price of Propane is lower than that of electricity or traditional oil. On the other hand, when you factor the cost of maintaining and installing it, you will realize that it is 30% less costly than electricity and 25% less expensive than oil. They have a long lifespan, and they are less expensive to repair than conventional water heaters.


When comparing propane water heaters with the electric water heaters, you will note that Propane can last around a decade without the need for maintenance. Also, when your electricity is lost, your propane water heater will still work. It is a reliable and safe choice that will keep your water heated even when other household appliances in your house have lost power.

It is essential to understand that propane water heaters come with various benefits, which can help you save a lot on your energy bills. Since it is environment-friendly, safe, and cost-effective, it should be considered for any cottage or homeowner. That is why it is worth the investment.

Recommended Propane Tankless Water Heaters

Can a Tankless Water Heater Run on Propane?

A tankless water heater can run on propane. If you are looking for a tankless water heater, consider going to the one that uses propane. It is becoming among the best choices since you can use propane to run the tankless water heater. But before you use it, make sure that you calculate the usage for you to know the amount of propane that you will use.

Once you get the usage rate, it becomes easy to calculate the spendings’ for annual or monthly usage. On the other hand, when propane is used for fueling, it will emit over 60% greenhouse gas than its regular gas. Therefore, it is likely to save you more on energy bills.

Do Propane Tankless Water Heaters Need to Be Vented?

If you are considering installing a propane tankless water heater in your home, note that they will help you to save more money on your utility bills. Also, these heaters are convenient, and they can take up little space. On the same note, venting should be done professionally to ensure the efficient and safe operation of this unit.

The following are some of the things that an installer needs to consider for adequate tankless water venting.

Short Vent Run

When venting a propane water heater, ensure that the vent is short of guaranteeing the complete exhaust of combustion gasses from home. When using a short vent run, you will also need a less vent pipe. That way, you will need more gas and water supply piping.

Stainless Steel Pipe

When you plan to vent your propane water heater, ensure that you use a unique stainless steel pipe. With this pipe, it will not rust.

No Common Venting

When you plan to vent a propane tankless water heater, note that it cannot share the vent piping with any other appliance.

For proper venting, make sure that you hire a professional mechanic to help you. Ensure that you identify the right factors that will guide you to make the right choice when looking for these experts.

Recommended Direct Vent Propane Tankless Water Heater

  • Built-in electric blower Supplied with a 120 volt power cord
  • Environmentally friendly Low Knox burner meets SCAQMD rule 1146 requirements
  • Freeze protection to -30 Degree F

How Big of a Propane Tank Do I Need for a Tankless Water Heater?

For builders or contractors who are installing tankless water heating for the first time, determining the perfect-sized tankless water heater can be a daunting task. However, it is crucial to understand that two significant factors determine a propane tankless water heater size. First, ensure that you know your home’s water consumption and how much water needs to be heated compared to the incoming temperature.

When you consider your client’s peak demand uses and the temperature rise required in your home, you will get a gauge on the capacity required for a tankless water heater. You can also add the number of baths and the size of your home to identify whether you need another extra unit.

Which is Better, Propane or Electric Tankless Water Heater?

If you have figured out that you need a tankless water heater, you need to determine the exact type that you need. If you decide to compare between Propane and electric tankless water heaters, ensure that you identify their pros and cons before making your decision. However, your right choice will depend on your personal preferences, the climate, the capabilities of your building, and the needs of your households. The following factors play a significant role in deciding what type of tankless water heater to suit your needs.

Water Usage Habits

When you are choosing your tankless water heater, this is one of the essential things you should consider. However, if you are operating a business where you need a high capacity of water, you should use propane water heaters. They can offer you up to 8 gallons of hot water every minute.

On the other hand, the electric tankless water heater can also provide 3 to 7 gallons of show temperature every minute. However, this will depend on the incoming water temperature and the model that is selected.

Availability of Energy Source

When you want to choose the best tankless water heater, ensure that you consider the availability of energy sources. The electric water heaters are high power appliances, and they can heat water on demand. However, some businesses or homes that do not have electricity or high electrical power are required.

When comparing the installation of a propane tankless water heater, it can be expensive and complicated. If your home does not have gas lines, then installing your heater can be costly. Therefore, ensure that you have all the requirements needed for installation before you make your final choice.

Operation Cost

Propane tankless water heaters are more efficient compared to electric heaters. Even if it is more expensive to purchase and install, it is the perfect form of investment since it will pay for itself due to the lower monthly operating costs.

Electric tankless heaters are cheap to install, but the gas tankless water heaters are more affordable compared to their output power. However, the operating costs between these two are approximately the same.

When is Propane Tankless Water Heater Recommended?

You need to choose or purchase a gas water heater if you want a single unit to supply your house with a large quantity of hot water. If you are willing to afford the higher upfront costs, buy a gas heater to see savings on your utility bill over the long term.

Recommended Propane Tankless Water Heater with Great Performance

  • Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
  • Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 6.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

When is Electric Tankless Water Heater Required?

You can choose electric tankless water heaters if you want to set up your heater without experiencing considerable expenses. In doing this, you will save money both on purchase and on the installation.

Recommended Electric Tankless Water Heater with Affordable Price

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
  • Lifetime warranty for residential use
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 75 A

How Long Will a 100 Gallon Propane Last?

It is essential to understand that propane usage will depend on the climate, furnaces, and the nature of use. Ideally, each gallon of propane offers 91 547 BTUs. We have some appliances that can vary from 20,000 BTUs per hour to even 450,000 BTU per hour.

If you want to calculate the actual usage of propane, add the BTU load of each appliance and divide it by one gallon BTU load. Therefore, your 100 galloons of propane will last depending on the usage, the devices that you use, availability of gas lines, the length of gas lines, and how often they are on.

Is a Propane Water Heater Cheaper than Electric?

Ideally, it is critical to note that the propane water heater is more efficient and economical than the electric tankless water heater. Virtually, anything in your business or house that can run on electricity will also run on propane. When comparing the cost, you can use the BTU, which measures each fuel’s heating value.

If you want to save up on your electric heating bills, make sure that you switch to propane today. Various propane models can save up to 65% in costs over electric dryers. When it comes to their average lifespan, they can save homeowners up to $2,000 annually than the electric tankless water heaters.

How Much Does it Cost to Run a Propane Water Heater?

Propane style or natural gas heaters can cost an average of $1,000 to $1,500 to run. However, when installing your propane tankless water heater, you should understand that there are some distinct differences in operating and acquisition costs. Propane is a cleaner fuel and has higher BTU than natural gas. Therefore, it costs an average of $350 to run a heater yearly.

How Much Propane Does Propane Water Heater Use?

When your tankless water heater is hooked up with propane fueling, you should ask yourself this question. It is essential to calculate the propane usage if you are planning on using it in your home. Based on the size of your home, you might be utilizing a 100-gallon, 250-gallon, or 500-gallon propane tank. On the same note, the container’s longevity depends on the type of devices you have connected to your system.

If you want to know how much propane is used for every appliance in your home, make sure that you know the amount of energy produced by each gallon. You can read various tutorials for you to understand how to calculate propane usage for tankless water heaters.

Can I Hook a Small Propane Tank to My House?

We all understand that propane is a fuel that is used with various cooking devices. However, some businesses or homes use it as a source of energy to cook indoors and provide heat and warm water. It has a propane tank that is similar to that of a grill. In most cases, when connecting or installing it, it is connected with the same safety and meter precautions. Even if this process can be challenging, but any dedicated and cautious homeowner can complete this task.

When installing it to your house, ensure that you choose a level or flat surface where you will place the tank. Ensure that the valve on the top of the tank is closed. Make sure that you uncover the threaded section to attach a regulator hose. Ensure that you follow other guidelines when installing a propane tank at your house.

Is Propane Cheaper if You Own Your Tank?

Many homeowners are discovering the benefits of owning and using Propane for heating. Some of the benefits that they get are enhanced performance, efficiency, safety, and reliability. However, if you want to use Propane, make sure that you have a propane tank.

Buying a propane tank is among the significant investments, and it is the one that needs the initial outlay for the tank and professional installation. If you have your tank, then propane will be cheaper since you will know the amount of propane you need to use annually. It will help you to save a lot since you can get a lower price per gallon if you have a reliable supplier.

How Do I Run a Propane Line in My House?

LP or liquid propane is a useful fuel for most household applications. However, the pressurized tanks that are stored should never be placed inside a house because this creates a safety hazard. If you want to install or run propane in your home, ensure that you run the gas line from the tank’s location through the wall of your house to your appliances in your house. Upon installation, ensure that every gas line should be checked for leakage. Follow simple steps in the manual guide to know how to install a propane line in your house.

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David: Penn State-educated Mechanical Engineer and Business-savvy Fluid Dynamics Specialist. Balances family plumbing business support with a thriving engineering career at a top, undisclosed company. (they want it that way) I help Will with plumbing and HVAC needs on his Real Estate.

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