ᐅ Air-to-water heat pump combined with photovoltaic panels or pellet heating with solar thermal system

Created on: 2 Jul 2016 22:12
G
Gugugu
Hello everyone,

I am about to start a construction project.
Single-family prefabricated house with a basement.
Heated area approximately 350 square meters (3,767 square feet).
Two adults and currently two children, possibly a third child to follow.
A controlled ventilation system is planned.
Putting aside the initial costs of the heating system,
which option will be more cost-effective in the long run for heating expenses?
An air-to-water heat pump possibly combined with photovoltaic panels?
Or a pellet heating system combined with solar thermal?

For your information, in my current quote the air-to-water heat pump including photovoltaic system costs 37,000, with the photovoltaic system priced at 20,000.
The pellet heating system including solar thermal is quoted at 21,500.

What do you think the ongoing heating costs will be for the house approximately?
What do you recommend?
L
Legurit
4 Jul 2016 13:11
Good choice!
Why photovoltaic with storage? Do you mean battery?
I
IGORR
4 Jul 2016 13:13
Yes, battery storage..
Do you have any experience with Alpha pumps?
L
Legurit
4 Jul 2016 13:39
At that time, we had categorized Alpha Innotec as "good" – unfortunately, I don’t have any direct experience – we were also looking into brine-to-water heat pumps back then.
E
Elina
4 Jul 2016 13:48
For selecting a heat pump, I would recommend taking a look at the BAFA subsidy list, which includes the coefficient of performance (COP) values of all subsidized heat pumps. This provides a quick overview of which ones are efficient and which are not.
I
IGORR
4 Jul 2016 14:01
How can you tell which ones are efficient?
Sorry, I haven't really looked into the topic...
L
Legurit
4 Jul 2016 14:15
The list shows the COP (Coefficient of Performance) at different air inlet temperatures. This gives you a rough estimate of how much electricity is required to produce a certain amount of heat energy.