What are the advantages and drawbacks to a tankless hot water heater over a typical hot water storage tank?

by Water Heaters on August 7, 2010

We currently have a coil that heats our water…and we take short showers and the kids get half a bath. We were considering adding a tankless hot water heater such as "instant hot" to our gas or a water tank like "super stor ultra" to our oil burner. I’m wondering if a product like instant hot will really give an endless hot shower and fill the tub too. I’d appreciate feedback/experience with this.


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{ 3 comments… read them below or add one }

26xma August 7, 2010 at 5:11 am

I don’t think instant hot is the best answer. I’m not sure that will supply the quantity you need. Tankless water heaters can do the job, though. They’re like the Bosch AquaStar series. They totally replace your water heater. You can split your water service off to two lines and have two tankless water heaters, if you want. These draw a lot of gas and might require increasing the size of your gas service. A major advantage, though, is that they don’t store hot water, so they don’t waste gas keeping a large amount of water hot all day and all night.

Also…look for the ones that meet the level of efficiency required for a tax credit. I believe the credit is $300. That’s not just an income deduction…it’s actually a credit. The Bosch AquaStar at the link below doesn’t meet the efficiency requirements, but I got one at Home Depot for under $400, so I decided against trying for the tax credit.

haider0311 August 7, 2010 at 5:11 am

I have hear good things about them! They operate cheeper and the hot water truely is endless. I’d say go for it what do you have to lose!

Ray August 7, 2010 at 5:11 am

My brother has one and he loves it. No wasted space to deal with is a good reason not to mention the money you save on reheating water in the tank.

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