Account name:
Password
(OpenID?)
(Forgot it?)
Remember Me
You're viewing
fivemack
's journal
Create a Dreamwidth Account
Learn More
Interest
Region
Site and Account
FAQ
Email
Reload page in style:
site
light
Tom Womack
Better than using plain electricity is to use electricity with heat pumps (Reply)
Better than using plain electricity is to use electricity with heat pumps
Date:
2008-07-22 05:38 pm (UTC)
From:
(Anonymous)
http://www.inference.phy.cam.ac.uk/mackay/presentations/SEWTHA11/mgp00088.html
I like using solar hot water heaters, but if you want a solution without local plumbers and leaks on your roof, go for a japanese-made heat pump, which is 4.9 times more efficient than a plain electric water heater.
David MacKay
From:
Anonymous
This account has disabled anonymous posting.
OpenID
Identity URL:
Log in?
Dreamwidth account
Account name
Password
Log in?
If you don't have an account you can
create one now
.
Subject
HTML doesn't work in the subject.
Formatting type
Casual HTML
Markdown
Raw HTML
Rich Text Editor
Message
Profile
Tom Womack
Tom Womack's page
Recent Entries
Archive
Reading
Tags
Memories
Profile
March
2024
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Most Popular Tags
assonance
-
1 use
astronomy
-
5 uses
baby
-
1 use
bike
-
3 uses
boring
-
2 uses
chemistry
-
2 uses
cinema
-
2 uses
coding
-
1 use
comet
-
2 uses
cooking
-
2 uses
demographics
-
4 uses
domestic
-
2 uses
economics
-
5 uses
ephemeral
-
6 uses
exercise
-
3 uses
fancy-restaurants
-
2 uses
financial
-
5 uses
food
-
2 uses
garden
-
4 uses
geek
-
22 uses
geography
-
2 uses
grenoble
-
1 use
gym-numbers
-
5 uses
hardware
-
2 uses
health
-
2 uses
industry
-
2 uses
istanbul
-
3 uses
joke-collecting
-
1 use
lethargy
-
2 uses
macroeconomics
-
2 uses
make-me-more-cultured
-
2 uses
maths
-
2 uses
meme
-
2 uses
messiness
-
1 use
mope
-
2 uses
more-faff
-
1 use
more-geek
-
2 uses
music
-
3 uses
nikolai-tesla
-
1 use
oops
-
2 uses
photo
-
5 uses
photos
-
3 uses
please-help
-
2 uses
politics
-
7 uses
stats
-
2 uses
stress
-
2 uses
travel
-
2 uses
uncle
-
1 use
via ljapp
-
10 uses
work
-
3 uses
Style Credit
Style:
Neutral Good
for
Practicality
by
timeasmymeasure
Expand Cut Tags
No cut tags
Page generated Jan. 30th, 2026 02:46 am
Powered by
Dreamwidth Studios
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
timeasmymeasure
Better than using plain electricity is to use electricity with heat pumps
Date: 2008-07-22 05:38 pm (UTC)I like using solar hot water heaters, but if you want a solution without local plumbers and leaks on your roof, go for a japanese-made heat pump, which is 4.9 times more efficient than a plain electric water heater.
David MacKay