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Old 02-22-2008, 12:21 AM   #16
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Space heating: warmer house and fewer $$$


Rinnai Recalls Wall Furnaces Due to Carbon Monoxide Hazard

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in
cooperation with the firm named below, today announced a voluntary
recall of the following consumer product. Consumers should stop using
recalled products immediately unless otherwise instructed

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Old 02-22-2008, 07:08 AM   #17
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Space heating: warmer house and fewer $$$


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Originally Posted by LawnGuyLandSparky View Post
Depends on where your ductwork is. If you "lost" heat in a duct, where do you think it went?
Yes this is true. It depends on where it is. But not everyone has choices in these matters. I don't have any space to run ducts which isn't through unheated space.

Where does lost heat go? I imagine it goes wherever the duct work runs or wherever the furnace is located.
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Old 02-22-2008, 07:11 AM   #18
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Space heating: warmer house and fewer $$$


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Originally Posted by Charley B View Post
Rinnai Recalls Wall Furnaces Due to Carbon Monoxide Hazard

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in
cooperation with the firm named below, today announced a voluntary
recall of the following consumer product. Consumers should stop using
recalled products immediately unless otherwise instructed

I appreciate this. Our unit is available for the recall.
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Old 02-22-2008, 11:39 PM   #19
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Space heating: warmer house and fewer $$$


please check out that heater because i think they are doing a recall on that brand, something about fumes ---minxoide coming out of it---so please please check out that brand --i heard it on t.v. today....please check it out,,,for your yourselfe and your family safety.
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Old 02-23-2008, 06:14 AM   #20
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Space heating: warmer house and fewer $$$


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Originally Posted by jeep2000 View Post
please check out that heater because i think they are doing a recall on that brand, something about fumes ---minxoide coming out of it---so please please check out that brand --i heard it on t.v. today....please check it out,,,for your yourselfe and your family safety.
Thanks. I have cross-posted this info on many other forums especially where I know people use Rinnai's.

They are going to come and retrofit it for free

There is nothing currently wrong with our heater. It is only a month old. It is very poor timing on my post talking about how great I think space heating is
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Old 02-23-2008, 12:28 PM   #21
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Space heating: warmer house and fewer $$$


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Originally Posted by pcampbell View Post
It depends on where it is. But not everyone has choices in these matters. I don't have any space to run ducts which isn't through unheated space.
Are the ducts in the basement or the attic?

If the ducts within the insulated envelope of the home that it is not 100% lost. People may run into a problem if they install a higher efficient furance as the basement may get colder and the water pipes may freeze. The heat on a higher efficient furnace will direct more hot air into the living space but may not supply enough "warm" air to keep the items in the basement from freezing.


You may have been able to buy a small $30 ceramic portable heater to heat this smaller space rather then paying $1,000 for this direct unit that is oversized for this smaller area.

Have you tried to cycle your furnance with just the blower on low speed to get the hot air from the rinnai heated room into other areas of the home?
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Old 02-23-2008, 01:26 PM   #22
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Space heating: warmer house and fewer $$$


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Originally Posted by redline View Post
Are the ducts in the basement or the attic?


If the ducts within the insulated envelope of the home that it is not 100% lost. People may run into a problem if they install a higher efficient furance as the basement may get colder and the water pipes may freeze. The heat on a higher efficient furnace will direct more hot air into the living space but may not supply enough "warm" air to keep the items in the basement from freezing.

You may have been able to buy a small $30 ceramic portable heater to heat this smaller space rather then paying $1,000 for this direct unit that is oversized for this smaller area.

Have you tried to cycle your furnance with just the blower on low speed to get the hot air from the rinnai heated room into other areas of the home?
Ducts are in the attic.

I never tried cranking up the Rinnai and putting the furnace on blower only. I did try directly routing hot air from the Rinnai to living room using a powerful inline duct fan, and it didn't seem to work at all. This was via existing registers in the ceiling that I just disconnected from the central system to test this out. By the time the air got to the living room it was cold. Part of the problem may have been that the fan was blowing too fast. I have read that heat moves better blown slowly (or maybe it just feels warmer???)

I originally wanted to try to get a single 40k BTU Rinnai that would heat the entire house. It was going to be in the living room, which is where we spend the most time and want to be comfortable. The 40k Rinnai is 2x more heat and also has a more powerful blower than the model we got. But I compromised with my wife (oops) and not only got a smaller unit but put it in a poor location (for her this was a preferable location because it meant it would be out of sight), in the office (pictured below) against the wall, pointing out the door. She didn't like the idea of the big Rinnai sitting in the living room. The office actually doesn't need a lot of heat - we'd normally even just shut the door to this room. By wanting to use the Rinnai as primary source of heat in that room, it forced us to leave the door open. Big mistake! Basically, without properly powered heater and proper placement, it isn't going to work.

What I ended up doing was spending a lot of time taking apart every single duct off the trunk of the air handler in the attic, re-routing to shorten the lines, make sure they are taut, not bunched up, sealed and insulated everything. This helped a lot, but I still believe the single, powerful Rinnai in the LR would be more efficient, or better multiple units properly sized and placed where they are needed. But I can't convince my wife

Now that that is all fixed up, the Rinnai really isn't going to help on the 1st level. So we may use it in the basement in the future.




Last edited by pcampbell; 02-23-2008 at 01:32 PM.
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