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Tankless Water Heater Question
- Thread starter Okuma
- Start date
With the tankless if you are going electric the saving you will see will take about 10 years to recoup your investment. The whole house tankless 240 volt takes 8 awg and 2 50 amp 220 volt breakers. If you do the wiring and plumbing yourself that saves a lot. I was going to go with the tankless and do everything myself and the price was still pretty high but that was about 3 years ago and haven't checked on them lately. I even took the kilowatt usage of both tank and tankless for an average family per year and the saving was going to be maybe $100 per year. Yes you are not keeping 60 gallons of water at a certain temp 24/7 but the amount of electricity to heat the water instantly is a lot. If you go this route replace your shower heads to the low volume because the more hot water you use the more it will cost you. I tried to make this as short and detailed as I could. I measure twice and cut once so I sat and figured if this was worth the trouble and if you are doing everything right it is worth going to a tankless but it's not the savings that the tankless companies claim. The parts to these are fairly reasonably to replace but there is a pretty large investment that will take time to see any difference and that is very little. Hope this helps.
I dont know the details on what all happened but my uncle is not cheap. Except for his coffee. He loves McDonalds coffee but thats another story. He had everything done professionaly as far as the install goes. Then he turned on the water and it apparently wasnt hot when it was supposed to be. I dont know much more than that without asking but he was pretty disappointed.
That is an expensive option. Most of the tankless heaters require yearly maintenance and I wouldn't want to do that all over the house in each unit.
If you have just a whole house tankless it is a good bit slower than a traditional because it takes a little while for it to make hot water. The other problem is that if you take a shower and get out then someone else gets in a few minutes later, the water will be hot then cold then hot again because some cold water will pass through the heater before it gets hot.
In our house we have a 30 gallon traditional that is backed up by a whole house tankless. That way you have unlimited hot water with none of the drawbacks of tankless.
It depends what you are trying to do. If you want to just save money the safest bet is the traditional system. If you want hot water on demand you are going to spend a lot of money on some sort of whole house system plus point of use everywhere you want instant hot water.
My next home will have a recirculating system. Much more simple than point of use tankless and true instant hot water.
A lot of people expect " instant" water heaters to give you hot water faster when really they are slower unless you also have one at each fixture. An easy solution would have been to put a traditional water heater with the tankless backing it up
Or a traditional tank heater with a recirc line and recirc pump.
Right I mentioned that in my previous post but it's not always easy to retrofit. That is my favorite system and if well insulated it can be efficient. Actually I really would like an "open system" where the hot water tank circulates hot water throughout the house for use in faucets/bathrooms and also through the floors for heating.
Yup I recommend to all my clients to go that way with all new systems. Tell them they will thank me later.
If you lived somewhere cold it would actually pay off pretty quickly. Here it's more of a luxury but still cool
The tankless kind ?
Home Depot at 285 and paces ferry has a whole aisle full of every kind of water heater made
We have an 35 gal electric tank heater
We also added the mixing valve on top so you can crank it up to 125* and then it mixes a little cold water with it when it goes out
This makes the hot water last a lot longer
Replaced it recently and a new one was under $400 and with the sharkbite fittings and flex hoses was a quick install
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