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In our new house, built in 2018, we have electric heating cables in all floors. Cast into the concrete slab, with oak floor on top.
However we have 10" wall full of insulation and 15" insulation in the roof and 30" in the floor under the concrete slab. Triple glassed windows. Single story house.
So, we just need a small amount of heat in the floors to keep everything snug. I usually walk around in shorts and no socks all year long. And we have large Soapstone fireplace in the living room.. mostly just for the cozy atmosphere in winter.
And all new houses has to have ventilation system with heat pumps in them. Warming up new air coming into house.
Other popular choices are
Air to Air heat pump.
Water to water heat pump.
Air to water heat pump
Electric mats under floor.
So.. most houses use Electricity to heat the houses. And nearly all houses have a fireplace as a back up. Heating oil is not allowed any more. Then Air to Air heating pump is the most popular because its cheap and high efficiency.
Water to Water heat pumps are most desired though... but we would never recuperate the costs in our house.
.
I was an HVAC technician/installer for years. Heat pump efficiency, even with modern units, reaches a null efficiency ratio factor at 15-23 degrees Fahrenheit. What is average winter temps were you live in Norway?
I was an HVAC technician/installer for years. Heat pump efficiency, even with modern units, reaches a null efficiency ratio factor at 15-23 degrees Fahrenheit. What is average winter temps were you live in Norway?
Hauling 40,000 LBS using electric vehicle is very difficult and makes no common sense.
I rather like the idea. Do you object to the battery pack size that is needed currently? Obviously a diesel-electric (or pure electric via wired power) train appears to work.
For a reasonably short circular route (local delivery, etc.) it would seem just the thing.
Given that the trucking industry is (mostly) run from spreadsheets instead of from emotional purchases, I'll expect a wholesale change to EV trucks the minute it makes financial sense. I suppose that the jury is still out on the long-term cost of maintenance.
They do last some time so it'll take a while to see an entire fleet change.
Is there any plan for Norwegian owners of collector cars?
Ban, ban, ban. Coming again from the left. Because that's where it always comes from.
Someone has to guide development. Most humans are egoistic and hate to change, unless they are forced to.
I am happy cars without catalytic converter were banned, and fridges with CFC's. We should all be grateful, and people would not have changed if there had been no bans.
It seems to me that it boils down to the combined economics of fuel savings and maintenance (plus the additional labor for moving a given amount of freight).
Norway is increasingly seen as the envy of the world. It is FIRST place in the world happiness index. It is #5 in median income (U.S. is behind at #8). It has a debt-to-GDP ratio of -90.5 percent. In other words it has a national surplus, not a national debt.
Norway has obviously made a lot of good decisions. Now they are making another good decision by banning the sale of fossil-fuel-powered vehicles by 2025. Not the 2030 plan of Gov. Jay Inslee, which was seen as way too ambitious and radical but 2025.
Can someone please explain to me why we are not following Norway's lead????
Because too many people think Norway is KHAM'nist, or at least socialist (which in some people's minds amounts to the same thing).
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