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Tankless Hot Water Heaters, Efficient, Effective, Endless.
Posts tagged situation
Debunking Some Common Tanklesss Beliefs
Oct 18th
I have read a few articles lately regarding a number of beliefs, ideas, and thoughts on the benefits and opinions of tankless water heaters. I would like to take a few minutes here to verify and nullify some of them.
A tankless water heater will not save you money.
This depends so much on the situation it’s impossible to make any claim that a tankless will not save you money. Here are a few variables that factor in.
- The price of natural gas varies by Province, City, Country, and even supplier and on top of that there is delivery charges, taxes, and additional fees. A tankless can significantly influence these costs instigating either an increase or a decrease (more often than not its a decrease).
- The price of the tankless… this varies again with the size of unit, the brand etc etc. Also be careful of door to door conventional tank type water heater sales people, more often than not those contracts are much higher than the actual cost of a tankless.
- Tankless warranties are pretty similar to a conventional tank type water heater, but…. a tankless is designed to be serviced and have a lifespan of over 20 years. Their heat exchangers are designed to be cleaned of all calcification, whereas you tank type heater is simply designed to be replaced
So take the what you hear about the advantages and disadvantages of a tankless with a grain of salt. If someone has decided it’s not for them and feels it important to rhyme off a few common misconceptions take the time to investigate and see if its right for your home.
New Tankless Grants in Ontario
Apr 21st
Ontario Tankless Grants
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Its still early but I think its safe to say that the Ontario Government is maintaining its side of the grant money 
available to home owners. It has been a relatively convoluted situation as some people have received official continuation press releases while others haven’t. Currently we haven’t here at Tankless Water Heaters but today a service provider brought one in for us to view. We will try and have a copy posted up soon.
Grants are back and available to Home owners for tankless water heaters.
If you were kicking yourself for not getting a tankless when the government grants were available then your certainly in luck today.
Sizing a Tankless Hot Water Heater
May 6th
Sizing a Tankless Water Heater
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The largest difference between a tankless and a conventional tank type system is that, while a tank can 
supply a large amount of hot water for a short period, a tankless water heater provides a smaller amount limitlessly. Thus with a tank type water heater you can run all your taps and showers and have all the hot water you want…. Well until the tank runs dry, and that shouldn’t take long. With the tankless system you can open all the taps to the capacity of the tankless, and have hot water for as long as you want. Yet if the system was undersized or sees demand beyond its designed capacity, your water will only be lukewarm.
In fact that’s really about the only thing that can go wrong on a tankless water heater, and realistically its not even the fault of the heater. This usually occurs when customers don’t take the time to really understand how a tankless hot water system works. It’s also cause by people trying to get the best deal or cheaping out and having a dealer install a smaller unit.
A tankless water heater has a certain capacity that has to be carefully calibrated to make sure that it can handle the highest load that a house can produce. A smaller sized tank may be able to handle only a gallon of hot water a minute (about one shower). If you have a larger family or home that has multiple showers you will need a much larger system.
Any contractor trained in tankless hot water heater installation will be able to give your situation and home the best advice on which model to choose.
Recirculation Tankless Installations
Mar 3rd
Tankless And Recirculation
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Some Larger homes may require a recirculation loop so that hot water gets to the desired applications faster. They are commonly used with conventional tanks but certain tankless brands can also be used to fit the bill.
What is a ReCirculation Loop?
The loop usually runs the length of one side of the house and then back along the other side. It should be well insulated and have a continuous flow so that there is always hot water in the loop. This way when someone needs hot water at a shower on the other side of the house it only takes a few seconds for hot water to reach the user. If there wasn’t this recirculation loop the water would need to flow all the way from the other side of the house, this could take few minutes and waste gallons of water.
See the diagram below for a good example
Tankless Recirculation
There is not a lot of tankless water heaters that can suitable provide the demands of a recirculation loop. In fact some companies will cut the tankless warranty in half if it is used in a situation where a recirculation loop exists. There are others that don’t modify the warranty and depending on installation Rinnai is one of the brands that allows for a recirculation system. Make sure to talk to your plumber or contractor before begining as they’re a lot of factors to consider before installation.
