Nothing just close the windows. In the spring air. No, all windows have handles and can be opened. Often there's simply no reason due to the ventilation system. We often sleep with tilted windows even in winter. Otherwise, it's too warm.
We have a field trial system. At the beginning there were problems. The penguins felt comfortable last year and the electricity meter was running. Since October, except in the bathroom, we only heat with heat recovery and compressor in the ventilation system. Even at -10/-12 degrees, water too. In the bathroom, the infrared heating mirror runs in the early morning. Hopefully next year there will be a reasonable annual performance factor.
Maintenance is roughly as difficult as changing light bulbs.
In summer it was relatively cool, everyone thought we had air conditioning. Ventilation off during the day, highest ventilation level at night and cross-ventilation. Especially the slope behind the house brings pleasant air.
Heating is simply different. Cumbersome, not just adding 2 more loads of wood. It actually requires a low temperature in the house. 20 degrees during the day and 21 degrees in the evening are comfortable in a T-shirt.
Laundry in the utility room dries overnight.
The little one no longer has pseudocroup attacks. Something is probably missing in the air. The house was built with health in mind. I wouldn't have thought so. I'm not sad that the ordeal is over.
Whether the difference is significant compared to an energy saving regulation house like yours I cannot judge. I only know living in drafty old buildings and houses from the 70s/80s.
A few more plants have been ordered for the outdoor area and after Easter (or when the ducks have finished hatching) the next 300 sqm should be tackled.
Something is happening on the slope as well. It's manual work and with a small child it's not possible. The many thorns and unsecured walls. The project will accompany us for a few more years.
It will be gradually planted with ground cover and the flatter part with various perennials. A small terrace will be built directly between the house and the slope.
We'll build stairs and some parking spaces for harvesting by the apple tree. It's no fun on a steep slope.
In the old tractor garage, we want to knock off the plaster.
We are not debt-free from 1.3
Congratulations
We would build a passive house again with the same general contractor.