DIY ventilation heat exchanger - Page 51

kose2ik · 12-18-16, 10:34 AM

goo.gl/photos/q9qbB3eYCddpJHAR7
(Estonia lng.) ehitusfoorum.com/viewtopic.php?f=10&t=57499

Piwoslaw · 12-18-16, 03:21 PM

Quote:

Originally Posted by kose2ik

goo.gl/photos/q9qbB3eYCddpJHAR7
(Estonia lng.) ehitusfoorum.com/viewtopic.php?f=10&t=57499

A clear HX core? If you also made the outer casing clear you could observe what is happening inside - condensation, mildew, clogging, etc.

1234enough · 01-24-17, 02:13 PM

This is my first post on here, so may go wrong!!!

Thinking of air to air heat exchanger for cooker hood, anyone got experience of cleaning the twin wall plastic signage type of heat exchanger in this application?

DEnd · 01-29-17, 10:43 PM

Quote:

Originally Posted by 1234enough

This is my first post on here, so may go wrong!!!

Thinking of air to air heat exchanger for cooker hood, anyone got experience of cleaning the twin wall plastic signage type of heat exchanger in this application?

Due to grease buildup this is not a good idea, and may actually be illegal, just vent it directly outside. Yes you are losing some efficiency, so keep your stove small, use a multi-speed hood and only use the speed needed to vent the vapors.

If you don't really cook a recirculating range hood may be an acceptable solution, but I personally loathe them. Recirculating Range Hoods

Drake · 02-02-17, 11:12 PM

Came across a Utube vid by Tom Heylen 'DIY air heat exchanger - PVC pipe and soda cans'

https://www.youtube.com/watch?v=baHbOtkbgwY

who has built very much what I was thinking of designing. VERY lo-tech, affordable design. With a 35' basement ceiling run I have it should have provide a fairly HE counterflow heat recovery and larger air flow volume It should be much harder to frost plug.

AC_Hacker · 02-06-17, 11:24 AM

Looks great!

Be sure and take lots of photos to share.

-AC

AC_Hacker · 02-06-17, 12:32 PM

Guy Marsden on Installing a Single Room Energy Recovery Vent...

-AC_Hacker

AC_Hacker · 02-07-17, 07:39 AM

HERE

-AC

Daox · 02-08-17, 06:31 PM

That is a very cool design! I really like the idea of using straws as they are so thin.

AC_Hacker · 02-09-17, 02:48 PM

On Marsden's unit, air was brought in, then the fans reversed, and inside air went out through the same unit.

We have seen other units that use a similar principle using mechanical reversing.

The idea is producing very high COPs.

-AC

12-18-16, 10:34 AM	#501
kose2ik Lurking Renovator Join Date: Dec 2016 Location: Estonia Posts: 2 Thanks: 8 Thanked 1 Time in 1 Post	goo.gl/photos/q9qbB3eYCddpJHAR7 (Estonia lng.) ehitusfoorum.com/viewtopic.php?f=10&t=57499 Last edited by Piwoslaw; 12-18-16 at 03:19 PM.. Reason: Hyperlinks

01-24-17, 02:13 PM	#503
1234enough Lurking Renovator Join Date: Jan 2017 Location: uk Posts: 3 Thanks: 0 Thanked 1 Time in 1 Post	Cooker hood exchanger This is my first post on here, so may go wrong!!! Thinking of air to air heat exchanger for cooker hood, anyone got experience of cleaning the twin wall plastic signage type of heat exchanger in this application?

02-06-17, 11:24 AM	#506
AC_Hacker Supreme EcoRenovator Join Date: Mar 2009 Location: Portland, OR Posts: 4,004 Thanks: 303 Thanked 724 Times in 534 Posts	Looks great! Be sure and take lots of photos to share. -AC __________________ I'm not an HVAC technician. In fact, I'm barely even a hacker...

02-06-17, 12:32 PM	#507
AC_Hacker Supreme EcoRenovator Join Date: Mar 2009 Location: Portland, OR Posts: 4,004 Thanks: 303 Thanked 724 Times in 534 Posts	Installing a Single Room Energy Recovery Vent Guy Marsden on Installing a Single Room Energy Recovery Vent... -AC_Hacker __________________ I'm not an HVAC technician. In fact, I'm barely even a hacker...

02-07-17, 07:39 AM	#508
AC_Hacker Supreme EcoRenovator Join Date: Mar 2009 Location: Portland, OR Posts: 4,004 Thanks: 303 Thanked 724 Times in 534 Posts	3-D Printed HX Core HERE -AC __________________ I'm not an HVAC technician. In fact, I'm barely even a hacker...

02-08-17, 06:31 PM	#509
Daox Administrator Join Date: Aug 2008 Location: Germantown, WI Posts: 5,525 Thanks: 1,162 Thanked 374 Times in 305 Posts	That is a very cool design! I really like the idea of using straws as they are so thin. __________________ Current project - To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. & To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

02-09-17, 02:48 PM	#510
AC_Hacker Supreme EcoRenovator Join Date: Mar 2009 Location: Portland, OR Posts: 4,004 Thanks: 303 Thanked 724 Times in 534 Posts	On Marsden's unit, air was brought in, then the fans reversed, and inside air went out through the same unit. We have seen other units that use a similar principle using mechanical reversing. The idea is producing very high COPs. -AC __________________ I'm not an HVAC technician. In fact, I'm barely even a hacker...