Which is better tank or tankless water heater?

By Robert Flores / October 26, 2022

According to Energy.gov, “For homes that use 41 gallons or less of hot water daily, demand (or tankless) water heaters can be 24% to 34% more energy efficient than conventional storage tank water heaters.” Tankless water heaters (if gas-fired) will save homeowners over $100 annually the longer they remain in service.

Is gas or electric better for tankless water heater?

Overall, natural gas tankless water heaters are the choice for greater water heating capacity and electric models are better for small households and bolstering existing systems.

Can a tankless water heater cause low water pressure?

Yes, a tankless water heater can cause low water pressure. If you’ve just had your tankless water heater installed and you’ve noticed a drop in pressure, the culprit is quite obvious. But, your tankless water heater may also cause your water pressure to slow down after a few years of use. Apr 19, 2022

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Can 2 showers run at once with tankless water heater?

Yes. You must choose the proper model to suit your home’s hot water needs, which is based upon the maximum flow of hot water you need at any one time. You can buy tankless water heaters that are capable of handling one shower at a time and others that can sustain a maximum of two showers operating at the same time.

How many bathrooms can a tankless water heater handle?

SELECTING A TANKLESS WATER HEATER For a home with 1 bathroom, we recommend 6-7 GPM; 2 bathrooms, 8 – 9 GPM; and 3+ bathrooms, 9-11 GPM. In our experience, smaller 4-5 GPM units are suitable for studio apartments and small one bathroom homes or other application specific needs.

Can you run two showers at once with tankless water heater?

Depending on the flow rate of your water heater, you may be able to take a shower and use hot water at the kitchen sink at the same time, but you probably won’t be able to run two showers and the kitchen sink. You could, of course, install two tankless heaters to provide you with a greater output of hot water. Jan 29, 2018

Is a tankless water heater worth the extra cost?

According to the U.S. Dept. of Energy, a tankless water heater is more efficient and uses less energy than a conventional water heater, providing a $25 to $107 in annual savings. If your hot water use is low (less than 41 gallons per day), a tankless water heater will be 24% to 34% more efficient. Jun 4, 2021

Can you take a shower with a tankless water heater?

With a tankless water heater, you can take a shower, use the dishwasher, and do laundry all at the same time without losing hot water. On top of saving, you from the dreaded cold shower, it can also save you money and energy.

How much room do you need for a tankless hot water heater?

The unit heats the water as long as this is open. When it is closed, the tankless unit stops heating the water. It is true that tankless water heaters do not require a lot of space. A large unit requires an area no larger than 24 inches square and ex- tends from the wall by about 8 to 10 inches.

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How do I convert my gas water heater to tankless?

This includes: Mounting the tankless water heater. Running the water heater’s vent to meet local code regulations (for gas models) Installing the gas line (for gas models) Installing new water lines. Installing the pressure relief valve. Connecting the electrical supply to the water heater. More items…

How much propane does a tankless water heater use per month?

Gas cooktop/range – 65,000 BTU/hour or 5 to 10 gallons per month. Tankless water heater – 40,000 BTU/hour or 1.5 gallons per day. Gas clothes dryer – 35,000 BTU/hr or less than one gallon per day. Apr 29, 2015

Why are tankless water heaters so expensive to install?

Tankless water heaters have a higher initial price compared to tank heaters, costing homeowners between $1,200–$3,500. The higher cost is a result of a more labor-intensive set-up, as new gas and water lines are required for installation. For electrical tankless heaters, new electric wiring will need to be installed. Sept 1, 2022

Do tankless water heaters need electricity?

Do Tankless Water Heaters Work Without Electricity? It may be obvious that electric powered tankless water heaters won’t work without an electrical supply. However, natural gas and propane tankless water heaters rely on electricity as well, and won’t work without electricity. Oct 3, 2017

Why does it take so long for hot water with a tankless water heater?

With tankless water heaters, there can be a short delay as hot water must travel from the heater to the open outlet. If this is a major concern, a homeowner can try a few methods such as installing a water recirculation system or a secondary water heater close to the affected faucet. Dec 21, 2020

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Why does my tankless water heater take so long to heat?

Do tankless water heaters increase electric bill?

Tankless heaters can be 8-14% more energy-efficient for households that use around 86 gallons daily. Installing a tankless heater at each hot water outlet, Energy.gov says, can increase tankless water heater energy savings by up to 27-50%. Oct 6, 2016

Should I replace my hot water heater with a tankless?

Using a tankless water heater can reduce these costs by up to 50 percent, for an average annual savings of $80. They are durable and less likely to fail, causing potentially catastrophic flooding in your home. Tankless units have an average lifespan about twice that of conventional water heaters — 20 years or more.

Can an electric tankless water heater run a whole house?

Both gas and electric water tankless heaters can function as whole-house solutions or as a smaller “point-of-use” system. Smaller single-use tankless water heaters heat water for just a single room, tap, or appliance. These larger and smaller systems essentially work in the same way.

How long does it take to install a tankless water heater?

between one to three hours Afterward, the tankless unit must also be mounted and connected. Tankless to Tankless Installation: This generally takes between one to three hours.

Can I preheat water before it goes through a tankless water heater?

It’s not going to build itself! You can preheat water for any type of water heating system, gas or electric, tankless or with a tank, and it will translate into savings for you.

Resources

https://www.petro.com/resource-center/tankless-hot-water-heaters-vs-tank-storage-water-heaters
https://bfplumbingbayarea.com/blog/gas-vs-electric-tankless-water-heaters/

Can a Tankless Water Heater Cause Low Water Pressure?


18 kW Electric Tankless Water Heater

Tankless Water Heater Buyer’s Guide


https://www.erniesplumbingandsewer.com/never-take-another-cold-shower-get-a-tankless-water-heater

Are Tankless Water Heaters Worth The Investment?


https://www.mrplumberatlanta.com/help-guides/never-run-hot-water-tankless-water-heater
https://www.bcremc.com/tankless.pdf
https://www.onehourheatandair.com/articles/expert-tips/home-life/how-to-make-the-tank-to-tankless-water-heater-co/

How Much Propane Do My Appliances Use?


https://www.thisoldhouse.com/plumbing/reviews/water-heater-installation-cost
https://medium.com/@aprtexas/will-a-tankless-water-heater-work-without-electricity-1d439530f4d6

How to Deal with a Delay in Hot Water from a Tankless Water Heaters


Tankless vs. Traditional Water Heaters | Which is More Energy Efficient?


https://www.ahs.com/home-matters/repair-maintenance/installing-tankless-water-heater/
https://www.protoolreviews.com/how-do-tankless-water-heaters-work/
https://www.homedepot.com/c/ah/what-to-expect-during-water-heater-installation-appointment/9ba683603be9fa5395fab9042d83092
https://www.instructables.com/Solar-powered-Preheater-for-Tankless-Water-Heater/

About the author

Robert Flores