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How long does it take your radiant heat system to warm up

2 replies [Last post]
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Joined: May 8 2003

How long does it take your radiant heat system to warm up the house? I run mine about 2 hours each morning and then 2-3 hours at night.

Does this sound in line w/ those who live in Northern California ( Silicon Valley region).

Thanks
- Jimmy

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Joined: Mar 20 2003

Sounds about right assuming you have an original boiler and typical Eichler insulation (or non-insulation). Checking and adjusting your manifolds (flow controls for radiant system) may improve that time somewhat. Also, the flooring in your home will have a major impact on heating time - tile, stone, and vinyl are far more efficient at transmitting the heat compared to carpet or wood.

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Joined: Mar 20 2003

It depends a lot on what type of floor you have. If you have tile/natural stone you should feel the heat within 10-15 minutes, but a w-w carpet with foam padding (tip: replace with thinner felt padding) can add at least an hour to that time and really never get effectively "hot". Hardwood or Pergo seems to falls in between.

I assume you have a timer on your thermostat to preset the high-low temperature ranges for morning and evening.

Another tip is to check your manifolds, the pump and boiler settings (get a radiant heating expert if you're a novice).

/G

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