Es Tresidder

@estresidder.bsky.social

680 Followers 128 Following

High-energy mountain sports, low-energy building design. Runner, climber, ski-mountaineer, building physicist & Passivhaus designer. EV driver. Currently finishing up my own EnerPHit house project.

Electricity demand for our air to air heat pump (blue), internal temperature (black) and external temperature (purple) for the 24th January, during storm Eowyn. Average outdoor temperature 5.4°C and total electricity use 6.7 kWh.

Daily average outdoor air temperature (purple, °C) and total daily electricity usage by the air to air minisplit (blue, kWh) for the year from 14 Nov 2023.

Kids on bikes next to massive turbine blades

Bright sunshine making frost on the outside of the windows glisten.

Air temps for air coming into and leaving the house, before and after the heat exchanger. House a cosy 20° despite a chilly day, thanks to the 🌞