by MarkJames » Sun 13 Jan 2008, 12:14:24
$this->bbcode_second_pass_quote('HamRadioRocks', 'I')'m surprised that those of you living in colder climates don't necessarily keep the thermostat cooler than those of you in warmer climates. I would think someone from the Bay area or Arizona would keep a higher thermostat setting than someone from Wisconsin. I thought that you're supposed to adapt to the winter cold (and summer heat) so that you run your furnace (and air conditioner) for fewer hours per day.
Sometimes it has more to do with human comfort level than temperature. For example, many people with oversized short cycling forced warm air systems with cold outside walls or old windows often crank the heat due to convective drafts and radical temperature swings. When a home has a properly designed, properly sized hydronic system, it's well insulated, has new windows, has radiant heat, or has baseboard or radiators under windows you won't have as many convective drafts or temperature swings.
Our fuel and heating customers with well insulated homes and radiant hydronic heat generally have an outstanding human comfort level, so they generally have lower thermostat setings. They also burn the least amount of fuel.
I was writing a heating system estimate for customer recently when it was 17 below zero F. While sitting at their kitchen table, my arm next to the wall and window felt ice cold although the thermostat in the home was set at 72F. It's very common to see grossly oversized short cycling heating systems here in the Northeast. We also have quite a few older large poorly insulated, poorly weatherized homes with single pane windows.