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Windows> Heat exchangers can be up to 90% effective at saving heat, while window ventilation will be 0%. Noise pollution> In my cold climate, whoever goes wi
by perceptronas 5y ago
Windows>
Heat exchangers can be up to 90% effective at saving heat, while window ventilation will be 0%.
Noise pollution>
In my cold climate, whoever goes with heat pumps - they usually go with "air-water" systems. Meaning only outside you have fans and inside you have your typical floor heating.
- dx034 5y agoMuch higher than 90%. The one I had in the passive house I lived in was specified to 98% at most temperature ranges. I guess most of the time the temperature difference isn't that large anyway (<20C) so they will lose next to no heat.