spud said:I'm currently looking at a wood pellet &solar option, solar to heat the domestic hot water and wood pellet for central heating. The grants are now making these options attractive. I will be not spending more than 6000 on the boiler ( there are cheaper ones but I need to get more info on them)The only problem with the wood pellet is the extras , silos for storage for buying in bulk, augers , etc. I would agree they are new to the market here but have been proven in other countries ( all the boilers are imported as far as i know)
I believe that wood pellets will be available down south in the near future. I 'm going to use bags for the first year as hopefully more cheaper silos become available . If not I will Look A DIY job for the storage. There are risks but its looking like I will go with this system.
Mark,markbate said:we have a NIBE Fighter 1110 gshp and underfloor heating installed - and wouldnt change it for the world - No radiators anywhere - we have a wood burning stove in our living area and an open fire in our sitting room - neither of which have been used as the temperature is controlled so well indiviudal room sensors as well as an external theromstat balance it out. Our first years electricity bill was 1400 euro - subtract 600-700 for lighting and that works out at approx 700 per year for heat and hot water - I estimate that we will pay for the additioanal cost of the HP in approx 5-6 years - possibly sooner as we are now looking at solar / wind to supplement. I would highly recommend ufh and gshp it worked out perfect for us.
ipxl said:Mark,
They are good figures. Do you mind me asking what the living floor
space area of the house is ? Is it timber frame or block cavity wall
construction.. and did you go beyond norms in terms of house
insulation measures ?
Why would you need solar or wind to supplement ?
I priced the GSHP and the problem with adding solar heating to the mix
was that I felt I'd have too much redundancy in the DHW heat
supply and I felt that I'd be over-specced to have both
installed.
markbate said:We have 2 acres of land so had the room for horizontal collector (required 5 x 60m trenches x 3ft deep) which required a digger and a man for 4 days. Worth noting as this wasnt included in costs by our heating engineer!!
I would recommend puting your heatpump in a room/boiler house if you can afford it to eliminate any noise. Ours is in in our utility room which you do hear but isnt that bad. Good luck !
ipxl said:Is that 5 separate trenches of 60m length or are you saying
one trench which is 5m x 60m (300m^2).
If it is five trenches that is a lot of garden/land digging alright !
~ipl
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