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Old 04-17-2012, 08:57 PM   #1
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Got quote for radiant heating but have some questions.

I got a price quote for a DIY closed 3 zone system with an electric 68,000 BTU boiler for under $5,000. I have some questions before contacting them back.

I would rather have 2 zones instead of 3 but thought it would be cheaper to run with 3. One of the zones is only 220 sq. ft. for two bedrooms with 8' high ceilings. One room will have 2 double hung double pane windows while the other only has 1. Would it cost much more to heat the rooms with the rest of the slab? One room will be a gym/office and I'm not sure how much my husband will use the room. He may use it often or not. Would be a pain to wait a few hours just to heat the one area for him to use it for a hour. The other room will be a nursery room if we can have kids.

Does it make much different if it is hooked up to the main zone? The main zone will have the living room/dining room/kitchen that has a high ceiling. I'm assuming the tubing will be spaced different to make up the heat difference.

We don't want to pay a lot more for the extra zone pump if it isn't going to cost much to go ahead and heat the two rooms with the main zone.

We can only use electricity or propane and the propane is more expensive around here. Does it cost much more to run with electricity than propane for a boiler if our propane prices are higher? If it will be cheaper in the long run I'd use propane but it would be the only thing in the house with it.


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Old 04-17-2012, 10:37 PM   #2
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Radiant heat is a great choice. With multiple zones you have greater control over the individual zone temperature. In my opinion it would be worth the cost to have the 3 zones if only for comfort when sleeping. You are correct in thinking that the layout will be different to compensate for differences in room specifics. Price it with only 2 zones rather than 3..I doubt there would be a substancial difference. And in most areas of this country LP is cheaper than electric. Also with an electric boiler you may need to make some changes to your electrical panel or service. Express your concerns to the contractor and get a few opinions and possibly 3 estimates.


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Old 04-19-2012, 03:57 AM   #3
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Thank you for your advice.

I'll have our relative that is a certified electrician set up the electrical panel for us based on what we need.

I'm just not sure which type of boiler to go with. Does a boiler go through a lot of propane when running a closed system? I know for sure our propane prices are higher than the electricity for this area. If it takes less propane to run it and would be cheaper for monthly heating costs I'd go with the propane over electric to save some money. We will probably need to have the house heated for 7 months of the year due to this area having long winters.
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