why shouldn’t I over-size this minsiplit ?

I’m looking to install a minisplit for the main living space of a mountain cabin (that currently relies on electric-resistance heat).   I’ve run the Manual J calculation (using https://www.loadcalc.net) as… I’m looking to install a minisplit for the main living space of a mountain cabin (that currently relies on electric-resistance heat).   I’ve run the Manual J calculation (using https://www.loadcalc.net) as…Read MoreGreenBuildingAdvisor