On Tue, 18 Jan 2005 14:27:56 -0600, firstname.lastname@example.org (m Ransley) wrote:
Oh, how I disagree.
There's nothing like sitting inside by the fire watching your neighbors shovel
and freeze while your driveway is just wet.
No, I don't have one.....so close at one point, though. My old house had a
very small driveway and it wouldn't have been bad to do. I ran the numbers
and it would have cost less than $5K to install (the right way) and a
guesstimate of under $100/year to use. My current house has a 350' driveway
and I don't know if Bill Gates could afford to heat that! ;)
If I was pouring a driveway I'd probably spend a few extra dollars to plumb
it for heat or run a heating wire.
Personally I think using liquid would be better than electric because you
can use the return fluid to determine if you need more or less heat based on
Even if you never end up using it, it may help in a sale down the road.
I would think that hydro would be much more cost effective than electric.
There are very few parts of the country where electric heat of any kind is
I know in New England you could count on spending 10x to heat a home with
electric vs gas/oil.
I'm gonna chime in here.
We are looking at a new (to us) house. It's about 10 years old and the
driveway looks like crap. We're going to offer slightly less than asking
price because of the driveway condition. When I get it repoured, it WILL
have PEX tubing in it for ice melting purposes. We don't get a lot of snow
or ice around here, but at least we'll be able to get out when it does snow
- Nehmo -
I don't see why not. How much would some PEX (or perhaps Pex-Al-Pex)
cost? With some precautions, you can protect the tubing from cracking
when the concrete cracks. If you use a heat exchanger (to use with a
loop to your regular domestic hot water heater) and a couple of pumps,
you really wouldn't need much other equipment.
I like the electric systems too. Electricity is more expensive than gas,
but, all in all, in terms of costs per season, the price is acceptable.
But there must be some kind of image or psychological problem with
heating pavement, though. Look at the reaction you get in the NGs when
the subject is opened. And hardly anybody seems to have a mature
marketing strategy. http://www.warmzone.com/ has the best site, but it
seems they can't decide on which system to promote.
It will have a HX when it gets hooked up to the boiler. By the time the
snow melt water gets back to the HX, it's going to be near freezing and the
boiler won't be able to handle the thermal shock.
As far as the new concrete I have poured cracking, I'll protect the concrete
with control joints and sleeve the PEX at the joints.
Not to me, but I will have a boiler already by the time the new driveway
Do I look (or type) like I care? IIRC, there's a city in Colorado(?) that
has snowmelt on the city sidewalks clear.
I like the water based stuff better than electric. You can repair PEX, but
you break a wire, you're out of business.
I have been lead to believe that electric heating cables cannot be repaired.
This may have something to do with the heating and hot spots where the
repairs are made.
Leaking water lines are easy to find under a slab, at least to me.
- Nehmo -
One pavement heating arrangement is to circulate ethyleneglycol/water
in a closed loop to a water-to-water heat exchanger and to the pavement
tubes. In the heat exchanger's other circuit is water that circulates
to the standard domestic hot water heater.
If you are concerned about the cost, don't bother getting one (they
are very expensive to operate). However, there are alternatives.
Park on the street, hire/contract someone to clear your driveway or
move to a warmer climate.
On Mon, 17 Jan 2005 13:45:54 -0500, Suzanne Couturiaux
Geez, I think I've replied to a number of threads. I'm looking into it
as well. Take a look at
They have an option for retrofitting an existing driveway by cutting
notches in it and laying down the heating wire. If you have a very
long driveway, they have a couple of pics which show just the tire
track area heated.
It costs approx 1kwh/100 sq feet of coverage, but it only turns on when
it's WET and COLD outside... i.e. snowing.
Why is it nonsense? Is it nonsense to use a dishwasher instead of
washing by hand?
Why is the luxery of using a snow blower over a shovel valid, where
using a heated driveway over a snow blower is nonsense?
here is something you can install on your own if you are handy.
run a pipe of approx 1" diameter from the house plumbing and route it
to the driveway.
make an indentation into the driveway concrete along the higher point
of the driveway but the pipe stick out of the driveway just slightly.
along the edge of the exposed pipe, drill small holes so that water can
exit out and flow down the driveway.
connect it to the hot water line of the house and whenever you need to
clear the driveway open the valve and woalla.
it wont use nearly as much energy as any of the $$$ systems since it
won't need to heat the entire concrete slab. instead it will get under
the snow and loosen it so its real easy to push off the driveway or
just wait till it completely melts.
you could even connect it to the cold water source since even that is
warm enough to melt snow.
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