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Re:H.R.2184 – End Oil and Gas Tax Subsidies Act by ars on Friday September 09, 2022 @01:11PM (#32782021)
Insulating a home does not give you a 50% reduction! It's closer to 15%.

You might get 50% on a leaky barn with zero insulation, but how many homes in Europe are like that?

(Note I'm not saying not to do this - certainly do this, just have proper expectations.)

Re:H.R.2184 – End Oil and Gas Tax Subsidies Act by radicalbyte on Friday September 09, 2022 @01:39PM (#32782431)
I achieved a 50% heating cost reduction after investing in the insulation of an older house. This included replacing the single pane glass.

Such properties are common over Europe; especially in properties built before the 1980s (which thank to the rebuild after WW2 are a decent percentage of all building stock).

Overall you'll maybe cut gas usage by 20% in 2-3 of years by insulating those buildings, building out renewable electricity with storage and incentivising heat pumps (which reduce/remove gas usage of resident-owned properties where they are viable).

Re:H.R.2184 – End Oil and Gas Tax Subsidies Act by bombcar on Friday September 09, 2022 @01:16PM (#32782106)
Proper perfect brand new construction compared to 1950s worn out building might be 50% increase but that requires building a new building.

Add-on insulation can help but it’s much harder and not as great.