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boothbay

01:26PM | 12/14/05
Member Since: 11/24/01
19 lifetime posts
Bvhvac
I'm trying to decide on which product that I should install..the tankless water heaters or the Heat pumps. After some research I've found that the TWH's installations cost too much for my budget. Changing a 100 amp main to a 200 amp for starters. Then I came across an ad for a Grundfos hot water pump. It seems to be less involved as far as installation goes. It uses the typical 110 lines. The contractor seems to avoid coming over to look at my particular situation and discuss prices and etc..which made me kind of nervous. He said the cost of the unit is about $600 as compared to the same price for a tankless one. Does anyone here have some experience with these? Pros' and Cons?

Billhart

06:00PM | 12/14/05
Member Since: 04/25/05
1915 lifetime posts
Reading between the line I am guess that what you are asking about a way to get hot water quicker.

As you mention using an electric tankless heater which can be installed near the point of use.

And talked about Grundfos which makes many kinds of water pumps, not heat pumps. Some are designed for use in hot water recirculating systems.

Another option is to install a small POS (point of use) tank water heater (5 -20 gal). That would be in series with main WH and only used to supply hot water for the short time needed for water to come from the main WH.

You might want to ask about this in the plumbing section.


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