ᐅ Are chilled ceilings a practical alternative to air conditioning?
Created on: 26 Feb 2022 21:05
K
kati1337
During discussions with a construction company about air conditioning in a new build, the topic of "cooling ceilings" came up.
At first, I thought this referred to the cooling function of heat pumps through underfloor heating, which I’m not very fond of.
But the contractor said it’s a completely different system and that its performance is comparable to a proper air conditioning unit.
Does anyone have experience with or know about these cooling ceilings? Are they truly full-fledged air conditioning systems that can cool significantly, or do they only manage to lower the temperature by about 2–3 degrees at most, similar to underfloor heating cooling?
At first, I thought this referred to the cooling function of heat pumps through underfloor heating, which I’m not very fond of.
But the contractor said it’s a completely different system and that its performance is comparable to a proper air conditioning unit.
Does anyone have experience with or know about these cooling ceilings? Are they truly full-fledged air conditioning systems that can cool significantly, or do they only manage to lower the temperature by about 2–3 degrees at most, similar to underfloor heating cooling?
kati1337 schrieb:
The old house has 152 m² (1,637 sq ft) of living space, which was enough. That won’t be sufficient for the new house with 215 m² (2,315 sq ft), right? Why does the new house have 215 m² (2,315 sq ft) if 152 m² (1,637 sq ft) was enough before? Replacing a noisy neighbor with closer proximity to relatives doesn’t usually increase the space requirement by 40%... I hope those aren’t your favorite numbers and the next house will be 521 ;-)
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D
Deliverer24 Apr 2022 19:44Why not, it fits: The first house you build is for your enemy, the second for your friend, and the third for yourself.
;-)
;-)
11ant schrieb:
Why does the new house have 215 m² (2316 sq ft) when 152 m² (1636 sq ft) was enough before? Replacing a noisy neighbor with closer proximity to relatives doesn’t exactly justify a 40% increase in space... I hope these aren’t your favorite numbers and the next house will be 521 ;-)If I build another house, it will definitely be 521 m² (5606 sq ft). Somehow I have to remember my EC pin. :P (Joke. Joke. Before someone calls me internet-naive again.)
No, the first house was planned with little equity and a tight financing plan. It was quite a compromise. The new one, on the other hand, is the “wish list” house — we initially planned to reduce it if the budget didn’t allow, but now we plan to go ahead with it as long as it’s financially viable, since it hardly requires any compromises.
Your split units are separate and not (sensibly) combined with the ductwork of the mechanical ventilation with heat recovery system.
Mechanical ventilation with heat recovery and cooling is something entirely different. We have such a system. However, it requires air exchange rates of at least 5 times per hour. This is not suitable for a typical single-family house. It is more efficient to use mechanical ventilation with heat recovery alongside the split units.
Mechanical ventilation with heat recovery and cooling is something entirely different. We have such a system. However, it requires air exchange rates of at least 5 times per hour. This is not suitable for a typical single-family house. It is more efficient to use mechanical ventilation with heat recovery alongside the split units.
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