Gas and Oil Home Heating Furnaces - Hot Water Heating System
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Dave4242
02-16-02, 06:47 AM
Does anyone know the correct temperature setting for underfloor hydronic heating for a granite tile floor? We are having one installed in the master bath. The tubing which circulates the boiler water is under the plwood subfloor. I think it was set at 100-105 degrees, but we have it shut off until the tile and grout have cured. I know the temperature is adjustable. Thanks.
Dave
Dave
Sharp Advice
02-17-02, 04:33 AM
Hello Dave. Welcome to the Heating and Cooling forum and the Do-It-Yourself Web Site.
I do not claim to have expertise on all types of heating systems and units. There are several resident specialists on this type of heating system within this forum whom may have an answer to your question.
However, the question of how much heat or what temperature would be needed has lots of variables to consider. Consrtuction materials like the flooring, temperature and climate zone, insulation, etc. and personal preferences of temperatures are all factors to consider.
Resident heating and cooling professionals, replying within this forum, may have alternate suggestions, advice, opinions, and or a better understanding of the circumstances and or conditions, based upon the nature of the request contained within your question.
Check back several times for additional replies.
Regards & Good Luck, Forum Moderator.
TCB4U2B2B Company Enterprises.
Fast, Fair, Friendly & Highly Efficient Service.....:)
Energy Conservation Consultants & Gas Appliance Problem Diagnostics Technicians.
I do not claim to have expertise on all types of heating systems and units. There are several resident specialists on this type of heating system within this forum whom may have an answer to your question.
However, the question of how much heat or what temperature would be needed has lots of variables to consider. Consrtuction materials like the flooring, temperature and climate zone, insulation, etc. and personal preferences of temperatures are all factors to consider.
Resident heating and cooling professionals, replying within this forum, may have alternate suggestions, advice, opinions, and or a better understanding of the circumstances and or conditions, based upon the nature of the request contained within your question.
Check back several times for additional replies.
Regards & Good Luck, Forum Moderator.
TCB4U2B2B Company Enterprises.
Fast, Fair, Friendly & Highly Efficient Service.....:)
Energy Conservation Consultants & Gas Appliance Problem Diagnostics Technicians.
comfortdoc
02-17-02, 08:12 AM
If one room is all that's heated with radiant you probably have a fixed temperature-intermittent circulation setup.
The best temp is the lowest one that will keep the room at a comfortable level at the outdoor design (lowest) temperature. Also dependent upon R-values above (you want low)and below (you want high) the pipes. Granite and tile have low R-values so a lower temp will suffice.
Try 100 degrees.
Or try this: heat loss of the room divided by sq ft of heated floor space = desired BTU output per sq ft of floor. 1/2" pipe, 8" on center will give 25 BTU per sq ft at 110 degree water supply IF you're well insulated underneath.
The best temp is the lowest one that will keep the room at a comfortable level at the outdoor design (lowest) temperature. Also dependent upon R-values above (you want low)and below (you want high) the pipes. Granite and tile have low R-values so a lower temp will suffice.
Try 100 degrees.
Or try this: heat loss of the room divided by sq ft of heated floor space = desired BTU output per sq ft of floor. 1/2" pipe, 8" on center will give 25 BTU per sq ft at 110 degree water supply IF you're well insulated underneath.