Hello everyone,
Our building contract includes gas with hot water heating and underfloor heating.
For an additional 12,000€ (approximately 13,000 USD) we would get an air-to-water heat pump. From our perspective, that’s too expensive, right?
The idea was to have gas installed first, then sell the gas boiler later and install the heat pump afterward (by outsourcing the work separately).
Is it that simple to swap, or is our idea missing something?
Our building contract includes gas with hot water heating and underfloor heating.
For an additional 12,000€ (approximately 13,000 USD) we would get an air-to-water heat pump. From our perspective, that’s too expensive, right?
The idea was to have gas installed first, then sell the gas boiler later and install the heat pump afterward (by outsourcing the work separately).
Is it that simple to swap, or is our idea missing something?
Is it really going to be that cost-effective? You’ve already paid for the gas connection. First of all, an air source heat pump certainly saves gas since it doesn’t use any, but it consumes quite a bit of electricity. Whether that's worthwhile is another question. Even with an additional cost of 6,000 euros (or dollars), that amount corresponds to about seven years of heating with gas. Plus the extra electricity costs, so you should calculate carefully. Also, gas condensing boilers now run reliably for 15 years. Whether the heat pumps can match that remains to be seen.
Hello,
I think you can forget the idea unless you have a lot of money to spend:
You would have to pay for the gas connection upfront, and afterward, it would be worthless.
The gas heating system would be installed and then basically worthless. It will be difficult to find someone willing to buy the heating system from you because a gas heating system can’t always be installed by just anyone—it may not be allowed or advisable. And a professional company will be reluctant to install equipment they didn’t supply themselves, especially used systems.
The underfloor heating (installation spacing, etc.) must already be tailored to the air-to-water heat pump. Your general contractor will probably charge you extra for this as well.
In addition, the monthly running costs will likely be higher than with a gas heating system. (Without wanting to start the typical debate again: with current energy prices, a simple gas boiler is actually hard to beat.)
In other words, you want to invest a lot of money only to end up with higher costs later, or put differently: you are essentially planning to burn through a lot of money and effort.
It just doesn’t make sense at all!
Best regards,
Andreas
I think you can forget the idea unless you have a lot of money to spend:
You would have to pay for the gas connection upfront, and afterward, it would be worthless.
The gas heating system would be installed and then basically worthless. It will be difficult to find someone willing to buy the heating system from you because a gas heating system can’t always be installed by just anyone—it may not be allowed or advisable. And a professional company will be reluctant to install equipment they didn’t supply themselves, especially used systems.
The underfloor heating (installation spacing, etc.) must already be tailored to the air-to-water heat pump. Your general contractor will probably charge you extra for this as well.
In addition, the monthly running costs will likely be higher than with a gas heating system. (Without wanting to start the typical debate again: with current energy prices, a simple gas boiler is actually hard to beat.)
In other words, you want to invest a lot of money only to end up with higher costs later, or put differently: you are essentially planning to burn through a lot of money and effort.
It just doesn’t make sense at all!
Best regards,
Andreas
There are already countless discussions about whether an air-to-water heat pump is actually more economical than gas.
Advantages that favor the heat pump in this comparison include the connection costs for gas as well as the fact that the heat pump helps achieve KfW 55 standards.
Disadvantages of the heat pump often include the need for outdoor units, which are not visually appealing to everyone.
In my calculation, the heat pump pays off after about 15 years.
Another factor to consider is that at some point, the devices will need to be replaced. In this case, a new gas boiler is significantly cheaper than a new heat pump.
Your idea to sell the gas boiler won’t help.
If you find the heat pump too expensive, try to obtain alternative quotes on your own. Otherwise, assume that the heat pump will cost roughly that much everywhere (including installation).
Advantages that favor the heat pump in this comparison include the connection costs for gas as well as the fact that the heat pump helps achieve KfW 55 standards.
Disadvantages of the heat pump often include the need for outdoor units, which are not visually appealing to everyone.
In my calculation, the heat pump pays off after about 15 years.
Another factor to consider is that at some point, the devices will need to be replaced. In this case, a new gas boiler is significantly cheaper than a new heat pump.
Your idea to sell the gas boiler won’t help.
If you find the heat pump too expensive, try to obtain alternative quotes on your own. Otherwise, assume that the heat pump will cost roughly that much everywhere (including installation).
B
Bieber081510 May 2017 07:29Adas86 schrieb:
We would get an air-to-water heat pump for an additional €12,000. Then be glad that you can heat with gas! Just stick with gas! But, honestly, I’m a bit skeptical… Usually, an air-to-water heat pump isn’t that much more expensive.
What does the gas offer include:
Supply temperature? From that follows the pipe spacing? Replacement measures (solar thermal)? Including gas connection costs?
Here, either the cheapest/simplest gas condensing boiler (hopefully) is being compared with a top-of-the-line air-to-water heat pump, or apples are being compared to oranges, meaning unequal scopes of delivery. You should check that carefully.
For us, an air-to-water heat pump would have been standard. I would have preferred gas – but it would have cost an additional 4,000 (currency) because solar would also have to be integrated (KFW55), which was not the case with the air-to-water heat pump.
Conclusion: now it will be a ground-source heat pump, which turned out to be the best solution overall.
Conclusion: now it will be a ground-source heat pump, which turned out to be the best solution overall.
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