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how much water to heat?

Last Post 26 Aug 2008 08:10 AM by gord. 5 Replies.

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gord

New Member

Posts:16

21 Aug 2008 09:26 AM
i am installing a climate master 5 ton genisis pond loop system. HOW MUCH STORAGE FOR THE HEATED WATER DO I NEED TO BE MOST EFFICIENT. I GUESS I MEAN IS IT BETTER TO RUN THIS THING FULL OUT AND HEAT A SMALL VOLUME OF WATER OR HAVE IT RUN AT A LOWER RATE AND HEAT A LARGE VOLUME OF WATER. I DONT THINK THE SIZE OF THE SYSTEM SHOULD MATER AS IT IS PROPORTIONAL

engineer

Veteran Member

Posts:2749

21 Aug 2008 01:32 PM
Please lose CAPS LOCK - hard to read! Need more info - is this to be a radiant floor system? There are minor benefits that might derive from fewer longer run times (slight efficiency improvement, easier on compressor), but the cost and volume of a large storage tank need to be considered.

Curt Kinder <br><br> The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is - Winston Churchill <br><br><a href="http://www.greenersolutionsair.com">www.greenersolutionsair.com</a>

gord

New Member

Posts:16

21 Aug 2008 01:36 PM
Sorry about the capital letters. i have a 1500 sq foot home with in-floor in the basement (cement, 400 feet, two loops) and plan on 3 zones (approx 200 feet each loop two loops per zone) on the main floor under the hard wood floors. i also am going to be running a loop to my garage where i will install a water / air exchanger (rad &fan) to heat my garage which is also 100 square feet. does this help

engineer

Veteran Member

Posts:2749

21 Aug 2008 07:05 PM
5 tons for 1500 SF - has a load calc been done to verify so much is needed? Volume of water stored should not affect load on unit. A decent sized storage tank might keep it from short-cycling, but the thermal mass of the floor probably contributes more to that. These are off the cuff remarks - I have no design or other experience with radiant floors.

Curt Kinder <br><br> The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is - Winston Churchill <br><br><a href="http://www.greenersolutionsair.com">www.greenersolutionsair.com</a>

joe.ami

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Posts:4377
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22 Aug 2008 11:47 PM
60 thousand btu's is a lot for a small zone or storage tank, depending on where you are, it may be the total load of the house. What does your contractor suggest and why? Joe

Joe Hardin www.amicontracting.com We Dig Comfort! www.doityourselfgeothermal.com Dig Your Own Comfort!

gord

New Member

Posts:16

26 Aug 2008 08:10 AM
sorry for the typo. My garage is 1000 sq feet with 12 foot ceiling. it is however r20 insulated. i live in Northern Ontario Canada (Sault Ste. Marie) and it is cold here in teh winter......