I’d like to install a tankless, on-demand water heater (2 bathrooms, one upstairs, one downstairs, laundry and kitchen). I’d like comments on specific products, pros and cons, etc., and any advice. I’d like to hear from people who have actual experience, i.e., if you use one and/or have installed them. Thanks.
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{ 4 comments… read them below or add one }
I installed one at the estate that I manage. It has 3 1/2 baths, kitchen, laundry, 3 floors and 6 kids. It keeps up just fine, even when filling up the two person whirlpool tub in the master bath. Just make sure your gas line and pressure are adequate to keep up with the size you install. As for brand, you get what you pay for, but I installed a Bosch.
USA I installed one at my brother’s house. He was heating his hot water from an Amtrol tank off he hot water boiler for the home heating system. His summertime gas bill to run the boiler just for the hot water was $100 per month. It is just hium, his wife, and one teenage daughter. After the tankless water heater was installed, the gas bill dropped to $26 per month. It cost about $1000 to $1100, including the heater and all the parts. Of course, I did not charge labor to my brother. We put in a Noritz. It is sized for three bathrooms and a kitchen.
You can set the water temperature with a hand held remote control. They love it. The only drawback – and it is a tiny, minor inconvenience, is that they have to wait about one minute longer for the hot water to hit the faucet. That is because the water heater does not keep a tank full of hot water ready. Other than that, they like it.
There are good brands and not so good brands. I have heard nothing but good things about the Rinnai units. They save money since they do not need to keep water hot all the time. They are a bit pricey but you can make this back in energy savings. Have it professionally installed to keep the warranty intact.
Tank-less water heaters are great and save a lot of energy which saves you $$, but I caution you. If your home is fairly new you are a good candidate for one of theses systems. If your home is older you may not have a good water pressure in your pipes to be able to use these systems. A good rule of thumb is if you have copper water supply lines you should be ok. If you have galvanized pipe you may want to look into having your water pressure tested prior to installing one of these systems.