@Cererean @chrisgardenuk this all depends: - amt of sun & whether you're heat or cooling dominant & local energy prices -> whether solar is competitive- it is in some places already - amt of insulation & sealing can bring down hvac energy reqs quite a lot in new homes, even to the point that water heating becomes biggest energy hog - heat pumps & other tech can make hvac more efficient than old school electric systems
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Reply · Feb 28, 2022@Nexuist @mattparlmer @quantumVerd Hmmm ig depends on which climate you're starting from... But PassivHaus in my climate reduces HVAC energy demand…Reply · Feb 28, 2022@Nexuist @mattparlmer @quantumVerd Presumably you'd know to economize? With superinsulated new construction doesn't take much to keep warm, and hot…Reply · Jun 5, 2024@MichaelAlleged perhaps... unless it goes the other way of using traditional design techniques to avoid hvac entirely... but ofc that's climate…Reply · Jun 8, 2023yep, mitsubishi mr slims... my home is super drafty bec built in the 30s, the big plus is not having to install ductwork where there's no good place…