EcoRenovator  

Go Back   EcoRenovator > Improvements > Lawn and Garden
Advanced Search
 


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


Reply
 
Thread Tools Display Modes
Old 01-04-16, 03:27 AM   #511
SDMCF
Apprentice EcoRenovator
 
Join Date: Jul 2014
Location: Finland
Posts: 117
Thanks: 5
Thanked 32 Times in 31 Posts
Default

What is the reasoning behind having the vents at the bottom rather than at the top? I have similar auto vents in my ("normal") greenhouse but they open windows in the roof. They can be open for many hours at a time so I imagine the temperature in your greenhouse could climb considerably after your low-level vents open.

SDMCF is offline   Reply With Quote
Old 01-04-16, 09:02 AM   #512
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

The goal is to have natural convection getting air flowing everywhere without fans. For this to work well you need to have everything sealed up tight. Have vents at the lowest possible place and the top vents be at the highest place.
Since I am in a hot climate I have a lot of venting.

The water in the drums will also help cool the greenhouse in the summer.

Cord of Smart greenhouses in CO. does not even use a fan in the summer and has great air flow for the plants.
He says on a hot day he will go into his greenhouse to cool down.

Here is where I will be adding vents next the whole way across the top of the back.



There will be about 10-12" between them to allow side venting. The two H's up top will be solid.
Attached Thumbnails
Click image for larger version

Name:	20151224_104329.jpg
Views:	617
Size:	57.5 KB
ID:	6466  
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Last edited by pinballlooking; 01-04-16 at 11:29 AM..
pinballlooking is offline   Reply With Quote
The Following User Says Thank You to pinballlooking For This Useful Post:
ecomodded (09-28-17)
Old 01-05-16, 09:09 AM   #513
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

It was cold yesterday evening and last night South Carolina cold anyway.
I still have plastic for the back vent and only one row of 55 gallon drums. I still am very interested how the greenhouse is performing at this stage.
Yesterday at sunset it 35.6 f and windy it got down to 23 degrees here are the charts. The greenhouse did not go below 50 degrees.

Keep in mind it was very sunny yesterday






Later down the road I will be putting in probes so I can show graphs on how it is performing. I will monitor greenhouse temp and fish water temp.

10:30 am windy and it is up to 32 degrees but sunny. This is the greenhouse temp.
Attached Thumbnails
Click image for larger version

Name:	Jan4.JPG
Views:	549
Size:	80.6 KB
ID:	6477   Click image for larger version

Name:	Jan5.JPG
Views:	578
Size:	106.2 KB
ID:	6478   Click image for larger version

Name:	20160105_102212.jpg
Views:	600
Size:	64.8 KB
ID:	6480  
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Last edited by pinballlooking; 01-05-16 at 10:36 AM..
pinballlooking is offline   Reply With Quote
Old 01-05-16, 01:28 PM   #514
jeff5may
Supreme EcoRenovator
 
Join Date: Jan 2010
Location: elizabethtown, ky, USA
Posts: 2,372
Thanks: 389
Thanked 601 Times in 503 Posts
Send a message via Yahoo to jeff5may
Default

Woo hoo! Is that magic or what? Just don't open the door for too long.
jeff5may is offline   Reply With Quote
Old 01-05-16, 01:35 PM   #515
Geo NR Gee
Journeyman EcoRenovator
 
Join Date: Jan 2011
Location: Seattle
Posts: 326
Thanks: 109
Thanked 23 Times in 18 Posts
Default

What is keeping inside the greenhouse so warm overnight?
Geo NR Gee is offline   Reply With Quote
Old 01-05-16, 01:46 PM   #516
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

Jeff it does seem like magic. You are correct any air leaks and that warm air will go away and not come back.

I have eight 55 gallon barrels on water and about 1,000 gallons of fish water. The black barrels heat up during the day and release heat at night.
The back walls and the roof are insulated with 4.5” Dow blue board foam insulation. That makes 22.5 R all OSB is covered with Grace Ice and water to prevent any air getting into the building.

This is better insulation and air sealed than my house.
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
pinballlooking is offline   Reply With Quote
The Following 2 Users Say Thank You to pinballlooking For This Useful Post:
Geo NR Gee (01-05-16), Xringer (01-05-16)
Old 01-06-16, 08:30 AM   #517
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

A little cold and windy to work outside on the greenhouse. I have started painting the inside it all needs to be white to reflect as much light as possible.
I want to paint the back wall before the pallet racking goes in it will be so much simpler I should have done it before the first row of barrels.



Attached Thumbnails
Click image for larger version

Name:	20160106_075521.jpg
Views:	568
Size:	57.9 KB
ID:	6483   Click image for larger version

Name:	20160106_075529.jpg
Views:	481
Size:	50.8 KB
ID:	6484  
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
pinballlooking is offline   Reply With Quote
Old 01-06-16, 09:06 PM   #518
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

Today I went to the specialty steel shop. I picked up the rest of the steel for the back vents.
I got my welding gas filled and my new torch gas cylinders filled.
All ready for the weekend.
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
pinballlooking is offline   Reply With Quote
Old 01-07-16, 10:00 AM   #519
pinballlooking
Super Moderator
 
pinballlooking's Avatar
 
Join Date: Jun 2013
Location: SC
Posts: 2,767
Thanks: 162
Thanked 531 Times in 435 Posts
Default

It is a little cold and windy to work out side. I painted some more this morning. I will be painting everything white to reflect the sun rays. The barrels will stay black to soak up the sun.

I painted everything that I over the grow bed before I built it. But wood that was not over a grow bed I left unpainted. Now it is time to make it white before the pallet racking goes in.

Attached Thumbnails
Click image for larger version

Name:	20160107_090548.jpg
Views:	557
Size:	29.0 KB
ID:	6486  
__________________
Current project Aquaponics system , Passive Solar Greenhouse build

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Solar Install 12.5 Kwh-
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Mini Split installs -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

EV Chevy Volt -
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
pinballlooking is offline   Reply With Quote
Old 01-07-16, 10:53 AM   #520
Xringer
Lex Parsimoniae
 
Xringer's Avatar
 
Join Date: Feb 2009
Location: Woburn, MA
Posts: 4,867
Thanks: 106
Thanked 244 Times in 224 Posts
Default Reflector backing?

Those barrels are going to emit IR in all directions.
When you might want to direct the heat forward, and not into the wall.?.

Perhaps a highly reflective surface on the wall behind the barrels will prevent
heating up the wall, and bounce the heat back into the barrels on that side.
Keeping them warm longer and allowing more BTU emission forward.?.

When I installed this under-counter LED, I was able to increase the light on the counter-top work area using foil tape.
I looked for the well lighted areas underneath and slapped on some tape.. It worked great..

Attached Thumbnails
Click image for larger version

Name:	led.JPG
Views:	459
Size:	41.6 KB
ID:	6487  
__________________
My hobby is installing & trying to repair mini-splits
EPA 608 Type 1 Technician Certification ~ 5 lbs or less..
Xringer is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 06:02 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design