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-   -   Let's talk water heaters (http://forums.pelicanparts.com/off-topic-discussions/1052721-lets-talk-water-heaters.html)

billybek 02-18-2020 09:53 AM
Quote:
Originally Posted by cabmando (Post 10756280)
I don't think any new water heater has a standing pilot so you're S.O.L if the power goes out unless it will allow you to manually light. Naturally, you'll have some hot water storage but as you use it you also lose it as cold water enters the tank.
I installed another Bradford White 50 gallon tank two years ago. Replaced a B/W 40 that was almost 14 years old. Was changing out the furnace so thought I might as well do the tank at the same time.

It has a standing pilot with no 120 vac power requirement.

I was surprised how light the old tank was considering we have hard water. The "Hydrojet" feature must help prevent sediment buildup over time. That and blowing down the tank on occasion helps too.

fintstone 02-23-2020 10:04 AM
Personally, I prefer an electric hot water heater in my homes as they are cheap, easy to install safely (no gas) and I can turn them off and on remotely from an iPhone ap by adding a simple control. New ones are much more efficient and you will almost always see a savings over the old one.

The ability to control it remotely is important to me as I spend my time between multiple homes and travel. I may not visit for weeks or months. I can leave mine off when I am away and turn it on en route...or when it gets cold enough to potentially freeze my pipes. Then I turn it and a water recirculation pump (that provides me with instant hot water when I am there) on remotely to keep the water in both the tank and the hot and cold water lines warm. I can turn both off when the temperature rises.

oliverjane 07-21-2022 07:16 PM
Gas-powered water heating equipment is less energy-efficient than electric water heating equipment.
In order to reduce heat loss, these devices include heating elements that are fully submerged in the water. However, because a burner for a gas water heater is located outside the water tank, it is more vulnerable to external factors that encourage heat loss.

RobFrost 07-21-2022 07:37 PM
Quote:
Originally Posted by fintstone (Post 10761860)
Personally, I prefer an electric hot water heater in my homes as they are cheap, easy to install safely (no gas) and I can turn them off and on remotely from an iPhone ap by adding a simple control. New ones are much more efficient and you will almost always see a savings over the old one.

The ability to control it remotely is important to me as I spend my time between multiple homes and travel. I may not visit for weeks or months. I can leave mine off when I am away and turn it on en route...or when it gets cold enough to potentially freeze my pipes. Then I turn it and a water recirculation pump (that provides me with instant hot water when I am there) on remotely to keep the water in both the tank and the hot and cold water lines warm. I can turn both off when the temperature rises.
In the UK, gas has historically been a third the cost of electricity per kwh because the losses from electricity at generation are quite great. I'd be alightly surprised if that's way different in the USA. Also, we have countless apps which control your gas boiler via the Internet.



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RobFrost 07-21-2022 07:42 PM
Quote:
Originally Posted by oliverjane (Post 11749622)
Gas-powered water heating equipment is less energy-efficient than electric water heating equipment.
In order to reduce heat loss, these devices include heating elements that are fully submerged in the water. However, because a burner for a gas water heater is located outside the water tank, it is more vulnerable to external factors that encourage heat loss.
UK condensing boilers are up to 90% efficient whereas fossil fuels to electricity generation was about 35% efficient by the 90s and about 55% more recently. Sounds like USA gas boilers are made like US cars, with flagrant disregard for economy.

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Baz 07-21-2022 08:02 PM
Post #43 is a spammer.......

JackDidley 07-21-2022 08:22 PM
Quote:
Originally Posted by Baz (Post 11749651)
Post #43 is a spammer.......
Yep.:D

look 171 07-21-2022 08:52 PM
Quote:
Originally Posted by brp914 (Post 10754449)
I had Bosch's new condensing, energy factor 1.0 unit installed as they hit the market July '18. Summer gas bills have dropped to approx $5/mo from $15/mo. Negligible either way, but a main consideration was being able to install a sink in the garage where there used to be a ginormous tank.

Actually, part of the savings is that it makes you think about how you use hot water. When you have a tank, there's always hot water so you don't think about using it. I'm not taking cold showers, that's for darn sure. But hands/face/dishes washing, do you really want to cycle a machine for that? Does washing your hands in warm water kill germs more than cold? No. I wash dishes in cold water, no problem.

You can have recirculators installed for tankless instant-on hot, but it diminishes warranty since the unit runs more.



http://forums.pelicanparts.com/uploa...1581877367.jpg
Thermo switch takes care of that. Mine runs 5 times an hour for about 20 seconds to keep hot water in the lines

look 171 07-21-2022 09:02 PM
Tell you guys this. In my own and client's home, its tankless (Takagi)all day long. On our rentals, its all traditional gas, tank heaters because they are simple, reliable and requires no cleaning or maintenance. Easy to change out and lives outside where the men can get at it without having to go into the home. Our rule is to have the tank heaters change out every 14 years working or not, it goes so we eliminate that dreaded phone call when I'm out on a cruise across the Mediterranean with my hot, long legged 25 year old girl friend only to tell her I can't spend the night, must turn back and change out a water heater for my tenant. ;)

NY65912 07-22-2022 03:05 AM
Being in the plumbing business I have access to any heater. I chose a Navien tankless for my home and the new shop/office we built a few years ago. I love the endless hot water.

The best ever heater was a copper tank Tragester from the 50's and 60's. I've seen them come out after a 25 year service life. In the 80's I had one in my own home that was manufactured in 1960.

I digress. We sell AO Smith with very good results.

fintstone 07-22-2022 06:08 AM
Quote:
Originally Posted by RobFrost (Post 11749637)
In the UK, gas has historically been a third the cost of electricity per kwh because the losses from electricity at generation are quite great. I'd be alightly surprised if that's way different in the USA. Also, we have countless apps which control your gas boiler via the Internet.

Sent from my SM-G988B using Tapatalk
While a tankless unit might be an exception, I really have never seen a traditional gas tank hot water heater that you can light and turn off remotely...and the concept seems a bit dangerous to me. As several of my homes are located where there are no natural gas lines, and one needs a propane tank/lines. Also, as with any combustion system, there is a risk of gas leaks and carbon monoxide.

NYNick 07-22-2022 12:17 PM
The Heat Pump Hot water heaters are the most efficient but they are pricey and kind of noisy. Propane or natural gas tankless are great, but propane is pound for pound the most expensive fuel other than straight electric.

I'd go Heat pump if you can afford it.


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