EcoRenovator  

Go Back   EcoRenovator > Search Forums
Advanced Search
 


Blog 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Showing results 1 to 17 of 17
Search took 0.00 seconds.
Search: Posts Made By: TimSmall
Forum: Renovations & New Construction 09-25-14, 04:49 AM
Replies: 80
Views: 41,368
Posted By TimSmall
Radiant barriers aren't that useful on upward...

Radiant barriers aren't that useful on upward facing horizontal surfaces, as over time they get dirty and stop working. Also their contribution is pretty minimal anyway.

In A/C's proposed sketch,...
Forum: Renovations & New Construction 09-25-14, 04:44 AM
Replies: 80
Views: 41,368
Posted By TimSmall
I don't think there's any problem with using...

I don't think there's any problem with using fibre glass, so long as it's kept pretty warm. i.e. the lowest PIR board needs to provide (rule of thumb) approx 50% of the insulation value, so that the...
Forum: Renovations & New Construction 09-24-14, 04:31 AM
Replies: 80
Views: 41,368
Posted By TimSmall
Hmm. If I were you, I wouldn't insulate (just)...

Hmm. If I were you, I wouldn't insulate (just) between joists, insulate below them, or even better just on the floor.

e.g. See photo 5 in here:

BSI-009: New Light In Crawlspaces —...
Forum: Conservation 01-06-13, 01:26 PM
Replies: 100
Views: 126,382
Posted By TimSmall
Similar thread elsewhere - dehumidifier used for...

Similar thread elsewhere - dehumidifier used for clothes drying...

Green Building Forum - Drying Room - brilliant results...
Forum: Appliances & Gadgets 01-04-13, 03:51 PM
Replies: 25
Views: 20,216
Posted By TimSmall
You do have the option of purely running it on a...

You do have the option of purely running it on a Linux box (with a web UI) too. Might still be worth looking at merging the two bits of code - I'm sure the lead home climate control developer would...
Forum: Appliances & Gadgets 01-04-13, 01:59 PM
Replies: 25
Views: 20,216
Posted By TimSmall
Did you look at Home Climate Control...

Did you look at

Home Climate Control (http://www.homeclimatecontrol.com/)

at all for the software end of things?

It's algorithms and design look pretty good, and I'm planning on extending it...
Forum: Introductions 01-04-13, 10:48 AM
Replies: 5
Views: 3,667
Posted By TimSmall
If you work out how much energy you can shift...

If you work out how much energy you can shift using air (use specific heat capacity of air and heat loss from your target room to work out how much air you need to move at whatever temp differential...
Forum: Conservation 12-17-12, 06:36 AM
Replies: 575
Views: 1,133,417
Posted By TimSmall
I found another data sheet, which gives min and...

I found another data sheet, which gives min and max values:

Full Speed:

69 dB(A)
89 watts
700 m³/hr (open flow)
5500 rpm

Min Speed:
Forum: Conservation 12-16-12, 12:53 PM
Replies: 575
Views: 1,133,417
Posted By TimSmall
For comparison, those mixed flow second hand...

For comparison, those mixed flow second hand DV6224 fans which I mentioned (available at 25 euro or so each - I saw a set of four fans on US eBay for $30 I think), do the following at max speed:
...
Forum: Conservation 12-15-12, 02:48 PM
Replies: 575
Views: 1,133,417
Posted By TimSmall
Any idea what sort of COP the de-humidifiers...

Any idea what sort of COP the de-humidifiers achieve? Looking at this table:

http://ecorenovator.org/forum/conservation/891-diy-ventilation-heat-exchanger-14.html

The efficiency of the best...
Forum: Conservation 12-15-12, 01:19 PM
Replies: 575
Views: 1,133,417
Posted By TimSmall
A has been said, the air flows involved in heat...

A has been said, the air flows involved in heat recovery are relatively much lower than is typically needed for the size of heat pump which will be able to heat a building. You will also get...
Forum: Lighting 12-15-12, 11:35 AM
Replies: 29
Views: 17,000
Posted By TimSmall
All LEDs fade, the fading gets exponentially...

All LEDs fade, the fading gets exponentially quicker the hotter they run.

Good overview in this article:

Lighting the Way for LED Development...
Forum: Conservation 12-14-12, 02:14 PM
Replies: 575
Views: 1,133,417
Posted By TimSmall
Most speed controllable fans seem to go down to...

Most speed controllable fans seem to go down to 10%. If you're shopping for cheap EC (electronically commutated == high efficiency, long life) ebm papst fans, there seem to be various available some...
Forum: Lighting 12-14-12, 12:29 PM
Replies: 29
Views: 17,000
Posted By TimSmall
In Britain, it'd be allowable to install an...

In Britain, it'd be allowable to install an intumescent "hood" over that sort of fitting.

I'd post a link, but the forum won't allow me to because I'm a new user...

Google for Intumescent...
Forum: Conservation 12-14-12, 12:21 PM
Replies: 575
Views: 1,133,417
Posted By TimSmall
They will a bit, but they'll also increase the...

They will a bit, but they'll also increase the cost (for a given volume of exchanger) and embodied energy. I believe that the limiting factor is the conductivity of the air, so an important thing is...
Forum: Conservation 12-14-12, 11:58 AM
Replies: 575
Views: 1,133,417
Posted By TimSmall
So, as far as I can see, this problem can be...

So, as far as I can see, this problem can be split broadly into two different areas:

1. Heat Exchanger (plus housing, condensate drainage, duct ports etc.).
2. Fans
3. Control system (fan...
Forum: Conservation 12-14-12, 10:24 AM
Replies: 575
Views: 1,133,417
Posted By TimSmall
I see you can buy some EBM Papst DV6424/2TDP fans...

I see you can buy some EBM Papst DV6424/2TDP fans used from Sun rack-mount computers for around 25 euros. You'll need to supply them with 24v DC. These are mixed flow (i.e. hybrid axial /...
Showing results 1 to 17 of 17

 
Forum Jump

All times are GMT -5. The time now is 02:00 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design