mvossmail
2016-09-13 21:17:39
- #1
Hello everyone!
We are (see other threads if interested) after a successful house purchase now in the process of completely tearing down the place (built in '64) and now want to slowly start with the rebuilding. We wanted to do quite a bit energetically anyway and will probably achieve Kfw70 now (thanks to insulation, thermal bridge calculation, and heating technology).
That’s all fine so far and shouldn’t actually be a big problem. We would like to mill an underfloor heating system into the screed across the entire area. According to the energy consultant, it should then be at least a gas condensing boiler with hot water via solar – and a central ventilation system. We went to the local providers with these specifications and asked for advice. The preferred provider advised us to go for a split heat pump to save acquisition costs and to be independent from gas.
Now the offer finally arrived and we were totally shocked. Here are the key points:
- Split heat pump with hot water storage and pressure equalization vessel (Buderus Logaplus package WPLS.2-3 11.2)
- Milling of a total of approx. 15 heating circuits in a total floor area of almost 120 sqm
- Piping of the heating
- Water supply, with the hot water running through a circulation line
Total gross cost: 27,500 €. Excuse me? Of that approx. 14,500 € for the heat pump, 8,000 € for milling, and the rest for a bathroom radiator and the water supply.
Alternatively, gas condensing boiler with solar (5 flat collectors) is supposed to cost even 17,000 €.
To my feeling, that is extremely expensive for the planned things. Could that be? Can someone give a qualified assessment? Or do we have to adjust our price expectations? The ventilation system is completely missing yet...
Thanks for feedback! :-)
We are (see other threads if interested) after a successful house purchase now in the process of completely tearing down the place (built in '64) and now want to slowly start with the rebuilding. We wanted to do quite a bit energetically anyway and will probably achieve Kfw70 now (thanks to insulation, thermal bridge calculation, and heating technology).
That’s all fine so far and shouldn’t actually be a big problem. We would like to mill an underfloor heating system into the screed across the entire area. According to the energy consultant, it should then be at least a gas condensing boiler with hot water via solar – and a central ventilation system. We went to the local providers with these specifications and asked for advice. The preferred provider advised us to go for a split heat pump to save acquisition costs and to be independent from gas.
Now the offer finally arrived and we were totally shocked. Here are the key points:
- Split heat pump with hot water storage and pressure equalization vessel (Buderus Logaplus package WPLS.2-3 11.2)
- Milling of a total of approx. 15 heating circuits in a total floor area of almost 120 sqm
- Piping of the heating
- Water supply, with the hot water running through a circulation line
Total gross cost: 27,500 €. Excuse me? Of that approx. 14,500 € for the heat pump, 8,000 € for milling, and the rest for a bathroom radiator and the water supply.
Alternatively, gas condensing boiler with solar (5 flat collectors) is supposed to cost even 17,000 €.
To my feeling, that is extremely expensive for the planned things. Could that be? Can someone give a qualified assessment? Or do we have to adjust our price expectations? The ventilation system is completely missing yet...
Thanks for feedback! :-)