Yes, solar panels, including a 12v solar panel 300w system, are becoming more affordable these days. With advancements in technology and increased production, the cost of solar panels has significantly decreased. This makes it more accessible for individuals and businesses to invest in renewable energy and reduce their carbon footprint.
I would pay a 10-15% premium for an energy-efficient house built with Insulated Concrete Forms (ICF) due to its significant energy savings and soundproofing benefits. Unfortunately, in the US, such a home might cost a 200% premium because of concrete shortages and the need for custom builds. It's frustrating that we export a third of our concrete to China. I value ICF homes for their soundproofing as well as their energy efficiency, especially after experiencing the superior construction quality in Europe. If I could find a well-built, energy-efficient to