Geothermal (ground-source) vs air-source heat pump ROI

There are many factors that make determining return on investment for something as complicated and unique as a home’s HVAC system difficult. I was looking forward to this video from Matt because I knew that he had opted for a Water Furnace ground-source (aka geothermal) heat pump setup. We’re opting for air-source for our passive house, probably a Mitsubishi Hyper-Heat […]

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Tesla Universal Wall Connector Announced

$595 isn’t the cheapest EVSE you can buy, but when you factor in the built-in J-1772 adapter that is included with Tesla’s Universal Wall Connector it’s a great solution if you already have a J-1772 EV, are planning to buy one, or already have a Tesla in the mix. All signs are pointing towards NACS long term, this provides easy […]

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Considering Home Energy Storage

We recently purchased a tear-down with the goal of building a new passive house on the lot. Naturally, there will be will be a massive solar array on the house, and probably on the detached garage as well. Picking a panel fairly easy because the differences in PV (photovoltaic) products seems to mostly come down to warranty period. Energy storage […]

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