The discussions in the threads about heat pump consumption and supply temperature settings are full of technical terms, values, and configurations. It is sometimes mentioned that installers pay little attention to optimal adjustments, and that one should be more careful during the system design phase. From what I understand, incorrectly sized and/or poorly adjusted heat pumps lose their economic advantages. Therefore, I have three questions:
1. How much knowledge and skill does a homeowner actually need to acquire in order to achieve the cost-effectiveness they expect from their decision?
2. How likely is improper use by inexperienced users who simply want to have a comfortable temperature in their home?
3. What habits does a person need to give up when living for the first time in a house with a heat pump in order to achieve the expected cost-efficiency?
1. How much knowledge and skill does a homeowner actually need to acquire in order to achieve the cost-effectiveness they expect from their decision?
2. How likely is improper use by inexperienced users who simply want to have a comfortable temperature in their home?
3. What habits does a person need to give up when living for the first time in a house with a heat pump in order to achieve the expected cost-efficiency?
Deliverer schrieb:
The installation of a heating buffer tank is being refused.
Every room maintains the same temperature (+-2°C (3.6°F)). Thatâs how it is and will remain.
How does the absence of a storage tank affect extensive use of the shower and bathtub?
Is the temperature variation between rooms really just +-2°C (3.6°F)? That is quite noticeable at the limit of personal comfort.
B
Benutzer20022 Nov 2021 13:39hampshire schrieb:
I have often read recommendations to fully open individual control valves. If that is so straightforward, why are they apparently installed that way as standard? Requirement of the KFW. Nothing more.
B
Benutzer20022 Nov 2021 13:41x0rzx0rz schrieb:
How does the absence of a storage tank affect extensive use of the shower and bathtub?You need to distinguish between a heating buffer tank and a domestic hot water storage tank. Usually, you donât need the heating buffer tank, but you do need the hot water storage tank. The statement referred to the heating buffer tank.
D
Deliverer22 Nov 2021 13:42x0rzx0rz schrieb:
How does the absence of a buffer tank affect extensive use of the shower and bathtub?
Is the temperature variation between rooms really around ±2°C (±3.6°F)? That is already quite noticeable and close to the limit of personal comfort.Iâm referring to the heating buffer tank. A storage tank (or an instantaneous water heater) for domestic hot water is of course still necessary.The rooms themselves donât fluctuate in temperature, but you can keep individual rooms permanently cooler than others within a narrow range.
hampshire schrieb:
why are they apparently installed as standard then?As I mentioned before, itâs because of KfW and the mindset of "weâve always done it this way" (c), and also because installers often want to avoid problems and donât want to have to explain to new homeowners that these things are unnecessary and that the system works perfectly fine without them.Most home builders donât have much experience with underfloor heating, so rather than spending hours explaining, they install the "usual" controllers and the customer is satisfied. If an expert shows up, even better â then those components can simply be left out, and the installer can move on to the next job more quickly.
H
hampshire22 Nov 2021 13:58Benutzer200 schrieb:
Requirement from the KfW. Nothing more.Thanks. So, just another pointless condition.Mycraft schrieb:
Because most home builders are not familiar with surface heating systems, and instead of spending hours explaining, they install the "common" controllers and the customer is satisfied.Understandable and very unfortunate.Similar topics