Green Building Forum - They are winding me up!Tue, 19 Dec 2023 06:23:33 +0000
http://www.greenbuildingforum.co.uk/newforum/
Lussumo Vanilla 1.0.3They are winding me up!
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303467#Comment_303467
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303467#Comment_303467Thu, 21 Sep 2023 20:49:35 +0100tony I said insulate the floor 150mm 100mm batts with 50mm EPS, and IWI 80mm PIR, draughtproofing, secondary glazing, insulate bay roof
What is the difference gas heated 7 days and 7 evenings 21C, night time 14C
Any guesstimates or do we need more info]]>
They are winding me up!
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303482#Comment_303482
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303482#Comment_303482Fri, 22 Sep 2023 11:41:32 +0100bhommels
I guess the answer expected is savings in £/year? Then let's put a price on comfort first.]]>
They are winding me up!
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303483#Comment_303483
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303483#Comment_303483Fri, 22 Sep 2023 13:03:59 +0100WillInAberdeen If so Current heating (13+6)X2.5 m² x 2U + 13x6m² x 2U + 13x6m² X 1U x 2000 HDD X 24h/d / 3600 +20% for drafts
= 5000 kWh/y = £500/y
Proposed (13+6)X2.5 m² x 0.5U + 13x6m² x 0.1U + 13x6m² X 0.2U x 2000 HDD X 24h/d / 3600 +10% for ventilation
= 700 kWh = £70
Save £400/y
Biggest losses are the roof and floor
If there is a heated upstairs, then less.
Want better numbers, do a SAP.]]>
They are winding me up!
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303489#Comment_303489
http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=17967&Focus=303489#Comment_303489Fri, 22 Sep 2023 21:35:01 +0100tony Thanks millions Will.]]>