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Most Efficient Hot water heating boiler
RonaldJ.Lombardo
Member Posts: 1
Due to increased fuel cost I'm thinking of swapping out my Crown ABF-175 for a more economical way of heating my house. I have also a 65 gallon water maker off one zone. Any input from the crowd.
Ron
Ron
0
Comments
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Efficiancy?
Any manufacturer that create an efficiant boiler takes for granted that the system is designed as efficiantly.
f you install a 90% efficiant boiler but the system demands that it cycle every 5 minutes for 30 seconds then the overall efficiancy may be 50%.. At sea level of course.. Up here in Colorado we facture in the lack of Oxy. At least thats my excuse.
sO.. tO SAVE MONEY, PUT IN A STANDARD 80+ EFFICIANT BOILER AND A 90% EFFICIANT SYSTEM DESIGN.
oops.. Hit the caps.. sorry
:-) Ken
To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional":-) Ken0 -
Most Efficient Hot water heating boiler
Use a modern tankless oil/gas water heater. Electric is also a possibility in places like Minnesota that offer duel-fuel rates or Long Island, NY that offer lower all-electric heating rates. The do-it-yourself system I have been using since 1996 is illustrated @ http://gfxtechnology.com/combi.html & http://gfxtechnology.com/Combis.PDF.
Modern tankless "boilers" are self modulating. Mine has a remote controlled set-point that eliminates cycling-loss. On cold days, the water temperature goes up to 180F. On warmer days it's lowered to 135F, so the circulators run almost 24 hours.0 -
Viessmann
I'd be uing a Viessmann Vitola boiler with Chassis Burner, Vitotronic 200 control for oil fired systems or the Vitodens 200 wall-hung if using gas. Their VitoCell stainless indirect DHW tanks are the best in the Biz...hands down. Yes, they cost more. It's worth it.
To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"0 -
just make sure
that the tankless, if you go that way, is rated for heating. As 2 families were killed in Ontario about 4-5 years ago, by having tankless water heaters installed as house heating systems.
Leo G0 -
Leo G
Can you explain what happened?
Tom0 -
The Vitola and Vitocell is a great oil combo
Thus far, I'm quite impressed with both. The Vitola cannot be thermally shocked by design and is flue-gas condensation-proof as well. Unlike its competitors, it achieves this through an innovative bi-ferral HX instead of variable-speed injection pumping and the like. The result is very low electrical energy consumption.
The distribution and control system is another area where you can save a lot of fuel and increase performance at the same time. The Vitotronic 200 can take care of outdoor reset, internal calls for heat, a motorized 3-way or a 4-way valve, etc. in a highly-integrated manner.
It's a true plug-and-play boiler... If the pre-numbered plug doesn't fit, you're probably trying to stick it into the wrong place... I also like the innovative features like the option to measure the flue stack temperature and alerting me to potential sooting if the stack temperature goes up.
The Vitocell 300 tanks are certainly quite expensive, but should last forever. Their large inspection port makes cleaning them out a comparative breeze. to the best of my limited knowledge, the horizontal model is the only one in this country rated to make hot water from steam. However, you do pay for these features dearly.
Lastly, I like that the US headquarters is an hour away in RI. I can plead with Ed and Jim in person if I need a part.0 -
Just make sure ...
Rinnai makes outdoor tankless gas water heaters, which are popular in earthquake-prone Japan -- not in North America.0 -
If its the one I'm thinking of...
The tankles is generally designed to operate at full burn, establishing and maintaining a good draft to get rid of flue products. The tankless in question was running at minimal burn, and lost its draft, and consequently started dumping products of combustion into the home. It is possible that ANY modulating appliance that is running at minimal burn can have its draft overcome by something as small and simple as a bathroom exhaust fan.
This is why its important to test for draw under all conditons in the combustion zone.
ME0 -
Yup
that's what I remember also. The saddest part was that 2 families were killed within a short time of each other by this set-up.
Leo G0
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