 |
 Broan Guardian Plus Venmar WHOLE HOUSE AIR EXCHANGER HV15 attic installation $550.14 Time Remaining: 14d 11h 44m Buy It Now for only: $550.14 |
 REPLACEMENT HEAT EXCHANGER FOR RECOUPAERATOR VENTILATOR ULTIMATE AIR STIRLING $52.99 Time Remaining: 2d 16h 22m |
 Venmar Air Exchanger Constructo ERV 10 Free Ship $999.00 Time Remaining: 28d 14h 50m Buy It Now for only: $999.00 |
 16x16 Water to Air Heat Exchanger Outdoor Wood Furnace $126.00 Time Remaining: 21d 14h 34m Buy It Now for only: $126.00 |
 12x12 Water to Air Heat Exchanger for Outdoor Boiler Furnace Stove 60000 Btu $106.95 Time Remaining: 25d 20h 58m Buy It Now for only: $106.95 |
 20x20 Water to Air Heat Exchanger NEW front mounting $180.00 Time Remaining: 27d 15h 4m Buy It Now for only: $180.00 |
 Venmar Air Exchanger 20 SOLO HRV New Free Ship $1,529.00 Time Remaining: 28d 14h 36m Buy It Now for only: $1,529.00 |
 12x18 Water to Air Heat Exchanger NEW front mounting $99.00 Time Remaining: 27d 15h 4m Buy It Now for only: $99.00 |
 Air Exchanger Venmar Kubix HRV NEW 35 70 CFM $799.00 Time Remaining: 20d 11h 45m Buy It Now for only: $799.00 |
 Broan Guardian Plus Venmar WHOLE HOUSE AIR EXCHANGER WITH HEAT RECOVERY HR26 $820.31 Time Remaining: 6d 14h 33m Buy It Now for only: $820.31 |
 18x18 Water to Air Heat Exchanger $133.20 Time Remaining: 10d 10h Buy It Now for only: $133.20 |
 Air Exchanger Venmar EKO 15 HRV Eco Friendly New $1,625.00 Time Remaining: 11d 7h 21m Buy It Now for only: $1,625.00 |
 Venmar Air Exchanger Round Damper Assembly 12454 $28.00 Time Remaining: 2d 13h 12m Buy It Now for only: $28.00 |
 Air Exchanger Venmar 20 Minute 12030 Lighted Push Button $28.00 Time Remaining: 5d 10h 58m Buy It Now for only: $28.00 |
 12x12 Water to Air Heat Exchanger New style Much EASIER to install $90.00 Time Remaining: 24d 8h 11m Buy It Now for only: $90.00 |
 Venmar AIR EXCHANGER HRV INSTALLATION KIT 02432 V95 43300 43400 43405 45300 3055 $23.32 Time Remaining: 19d 11h 33m Buy It Now for only: $23.32 |
 Air Exchanger Venmar Altitude Digital Wall Control 40440 $168.00 Time Remaining: 11d 8h 43m Buy It Now for only: $168.00 |
 Broan NuTuone BASEMENT INSTALLATION KIT FOR AIR EXCHANGER 15273 HRV2500 EA1500 $206.30 Time Remaining: 7d 20h 6m Buy It Now for only: $206.30 |
 24x24 Water to Air Heat Exchanger NEW front mounting $269.10 Time Remaining: 25d 15h 8m Buy It Now for only: $269.10 |
 220k BTU Air Handler Outdoor Furnace Heat Exchanger $995.00 Time Remaining: 16d 9h 32m Buy It Now for only: $995.00 |
 Broan Venmar Guardian Plus AIR EXCHANGER DECORATIVE FINISHING WALL PLATE 40426 $8.83 Time Remaining: 18d 9h 42m Buy It Now for only: $8.83 |
 16X18 OUTDOOR WOOD BOILER FURNACE HEAT EXCHANGER HOT WATER COIL WATER TO AIR $141.95 Time Remaining: 16d 11h 37m Buy It Now for only: $141.95 |
 Broan Venmar Guardian Plus AIR EXCHANGER HEPA WHOLE HOUSE INSTALLATION KIT 13932 $216.12 Time Remaining: 14d 18h 1m Buy It Now for only: $216.12 |
 Broan Venmar AIR EXCHANGER WALL CONTROL 40425 HF31 HR26 HF30 HR25 LCD screen $68.76 Time Remaining: 18d 21h 30m Buy It Now for only: $68.76 |
 16X16 OUTDOOR WOOD BOILER FURNACE HEAT EXCHANGER AIR TO WATER HEAT EXCHANGER $128.95 Time Remaining: 9d 12h 11m Buy It Now for only: $128.95 |
 Broan Guardian Plus WHOLE HOUSE AIR EXCHANGER W HEAT RECOVERY HEPA FILTER HF31 $938.20 Time Remaining: 19d 16h 20m Buy It Now for only: $938.20 |
 Broan HRV90HT Air Exchanger $450.00 Time Remaining: 3d 9h 50m |
 15x20 Water to Air Heat Exchanger Boiler Furnace Stove Hot Water Duct Coil $141.95 Time Remaining: 25d 21h 25m Buy It Now for only: $141.95 |
 Broan Venmar AIR EXCHANGER PLEATED REPLACEMENT FILTER 04804 MERV 12 HEPA HF1 HF2 $108.06 Time Remaining: 9d 9h 10m Buy It Now for only: $108.06 |
 Broan Venmar Guardian Plus AIR EXCHANGER ATTIC INSTALLATION KIT EA20130 HV15 $216.12 Time Remaining: 6d 14h 33m Buy It Now for only: $216.12 |
 18x20 Water to Air Heat Exchanger $184.00 Time Remaining: 14d 11h 32m Buy It Now for only: $184.00 |
 Installation kit for water to air heat exchangers $29.70 Time Remaining: 12d 9h 27m Buy It Now for only: $29.70 |
 NEW Fantech Air Exchanger Ventilator Model AEV1000 $458.00 Time Remaining: 15d 13h 30m Buy It Now for only: $458.00 |
 Lytron 6105G1SB Copper Tubed Liquid to Air Heat Exchanger Radiator $99.95 Time Remaining: 6d 10h 20m Buy It Now for only: $99.95 |
 18X18 OUTDOOR WOOD BOILER FURNACE HEAT EXCHANGER HOT WATER COIL WATER TO AIR $143.00 Time Remaining: 16d 11h 35m Buy It Now for only: $143.00 |
 Water to air heat exchangers outdoor wood furnaces solar geo thermal cooling $139.50 Time Remaining: 20d 7h 55m Buy It Now for only: $139.50 |
 Air Exchanger Venmar Venta Wall Control New $62.00 Time Remaining: 18d 12h 52m Buy It Now for only: $62.00 |
 62k BTU Air Handler Outdoor Furnace Heat Exchanger $715.00 Time Remaining: 16d 9h 31m Buy It Now for only: $715.00 |
 Broan Venmar AIR EXCHANGER REPLACEMENT HEPA FILTER 04803 MERV 17 HF31 HR26 25 $127.70 Time Remaining: 3d 12h 41m Buy It Now for only: $127.70 |
 Venmar Air Exchanger Replacement Foam Filter 03308 $26.00 Time Remaining: 20d 7h 31m Buy It Now for only: $26.00 |
 16x18 Water to Air Heat Exchanger Outdoor Wood Furnace $139.00 Time Remaining: 21d 14h 35m Buy It Now for only: $139.00 |
 Venmar Air Exchanger 15 SOLO Model New Free Ship $1,269.00 Time Remaining: 28d 14h 31m Buy It Now for only: $1,269.00 |
 OUTDOOR WOOD FURNACE STOVE BOILER HEAT EXCHANGER AIR TO WATER WATER TO AIR $128.95 Time Remaining: 11d 1h 45m Buy It Now for only: $128.95 |
 Venmar AIR EXCHANGER AEHR INSTALLATION KIT 02056 ER4020 ventilation part service $23.32 Time Remaining: 19d 11h 39m Buy It Now for only: $23.32 |
 Venmar 20 MINUTE LIGHTED PUSH BUTTON 12030 PRO250 constructo air exchanger unit $29.46 Time Remaining: 5d 19h 23m Buy It Now for only: $29.46 |
 115k BTU Air Handler Outdoor Furnace Heat Exchanger $795.00 Time Remaining: 16d 9h 32m Buy It Now for only: $795.00 |
 Fantech Air Exchanger Heat Recovery Model VHR2004 New $859.00 Time Remaining: 1d 12h 34m Buy It Now for only: $859.00 |
 19x20 Water to Air Heat Exchanger Furnace Boiler Stove Hot Water Duct Coil $174.95 Time Remaining: 25d 21h 18m Buy It Now for only: $174.95 |
 Venmar AIR EXCHANGER ECONO+ WALL CONTROL 11417 Broan AE PRO200 PRO 200 accessory $72.64 Time Remaining: 6d 14h 40m Buy It Now for only: $72.64 |
 Venmar Air Exchanger 03364 20 40 60 Minute Push Button $39.00 Time Remaining: 11d 13h 19m Buy It Now for only: $39.00 |
 18x17 Water to Air Heat Exchanger Outdoor Wood Furnace $145.00 Time Remaining: 21d 14h 36m Buy It Now for only: $145.00 |
 Sunpentown SU 4010 home health air ION Exchange Filter Dual Mist Humidifier $9.99 Time Remaining: 2d 17h 46m |
 175k BTU Air Handler Outdoor Furnace Heat Exchanger $905.00 Time Remaining: 16d 9h 32m Buy It Now for only: $905.00 |
 154k BTU Air Handler Outdoor Furnace Heat Exchanger $850.00 Time Remaining: 16d 9h 32m Buy It Now for only: $850.00 |
 141k BTU Air Handler Outdoor Furnace Heat Exchanger $830.00 Time Remaining: 16d 9h 32m Buy It Now for only: $830.00 |
 12x18 Water to Air Heat Exchanger for Outdoor Boiler Furnace Stove $109.00 Time Remaining: 28d 21h 58m Buy It Now for only: $109.00 |
 14x14 Water to Air Heat Exchanger NEW front mounting $99.00 Time Remaining: 27d 15h 4m Buy It Now for only: $99.00 |
 Air Exchanger Venmar Deco Touch Wall Control 40395 $118.00 Time Remaining: 23d 9h 9m Buy It Now for only: $118.00 |
 PRO FAB HEAT HANDLER WATER TO AIR HEAT EXCHANGER HOT WATER CIRCULATOR $813.10 Time Remaining: 5d 12h 59m Buy It Now for only: $813.10 |
 Venmar AIR EXCHANGER DUAL OUTSIDE PORT Y SHAPED 04319 installation transition $93.28 Time Remaining: 20d 16h Buy It Now for only: $93.28 |
 20x20 Water to Air Heat Exchanger Outdoor Boiler Furnace Stove 160000 BTU $184.95 Time Remaining: 11d 47m Buy It Now for only: $184.95 |
 Broan AE60 Balanced Indoor Quality Unit Air Exchanger 160 185 CFM $415.32 Time Remaining: 13d 13h 7m Buy It Now for only: $415.32 |
 16x16 Water to Air Heat Exchanger Furnace Boiler Wood Stove 80000 BTU hr $129.95 Time Remaining: 9d 12h 5m Buy It Now for only: $129.95 |
 22x24 Water to Air Heat Exchanger Outdoor Wood Furnace $216.00 Time Remaining: 21d 14h 38m Buy It Now for only: $216.00 |
 12x12 Water to Air Heat Exchanger Outdoor Wood Furnace $100.00 Time Remaining: 20d 14h 25m Buy It Now for only: $100.00 |
 Broan Venmar Guardian Plus PRE FILTERS FOR HEPA FILTER AIR EXCHANGER 05123 2pack $19.64 Time Remaining: 11d 17h Buy It Now for only: $19.64 |
 24x24 Water to Air Heat Exchanger With Install Kit $296.10 Time Remaining: 12d 9h 27m Buy It Now for only: $296.10 |
 Venmar AIR EXCHANGER STANDARD WALL CONTROL 11136 PRO225 accessory heat recovery $51.75 Time Remaining: 6d 14h 40m Buy It Now for only: $51.75 |
 Air Exchanger Venmar Lite Touch Constructo Wall Control $68.00 Time Remaining: 11d 13h 26m Buy It Now for only: $68.00 |
 16x18 Water to Air Heat Exchanger NEW front mounting $139.50 Time Remaining: 27d 15h 4m Buy It Now for only: $139.50 |
 15x20 Water to Air Heat Exchanger Outdoor Wood Furnace $142.00 Time Remaining: 21d 14h 34m Buy It Now for only: $142.00 |
 22X25 Water to Air Heat Exchanger NEW front mounting $268.00 Time Remaining: 14d 11h 35m Buy It Now for only: $268.00 |
 16x18 Water to Air Heat Exchanger Furnace Boiler Wood Stove up to 100000 BTU $141.95 Time Remaining: 9d 12h 13m Buy It Now for only: $141.95 |
 Venmar REPLACEMENT ALUMINUM FILTER FOR AIR EXCHANGER HEAT RECOVERY 01619 ER40200 $19.23 Time Remaining: 16d 9h 45m Buy It Now for only: $19.23 |
 19x20 Water to Air Heat Exchanger Outdoor Wood Furnace $169.00 Time Remaining: 21d 14h 37m Buy It Now for only: $169.00 |
 22x22 Water to Air Heat Exchanger for Dehumidification Outdoor Boiler Furnace $215.00 Time Remaining: 13d 19h 34m Buy It Now for only: $215.00 |
 Sunpentown SU 4010 health air cool warm ION Exchange Filter Dual Mist Humidifier $9.99 Time Remaining: 4d 17h 46m |
 12x18 Water to Air Heat Exchanger With Install Kit $126.00 Time Remaining: 27d 15h 4m Buy It Now for only: $126.00 |
 Venmar AIR EXCHANGER WITH HEAT RECOVERY PLUS REPLACEMENT FOAM FILTER 02421 40505 $23.53 Time Remaining: 16d 19h 38m Buy It Now for only: $23.53 |
 14x18 Water to Air Heat Exchanger NEW front mounting $119.70 Time Remaining: 27d 15h 4m Buy It Now for only: $119.70 |
 15x18 Water to Air Heat Exchanger for Dehumidification Outdoor Boiler Furnace $142.00 Time Remaining: 17d 21h 55m Buy It Now for only: $142.00 |
 12x18 Water to Air Heat Exchanger Outdoor Wood Furnace $110.00 Time Remaining: 21d 14h 32m Buy It Now for only: $110.00 |
 12x12 Water to Air Heat Exchanger With Install Kit $117.00 Time Remaining: 27d 15h 4m Buy It Now for only: $117.00 |
 19x20 Water to Air Heat Exchanger NEW front mounting $176.40 Time Remaining: 27d 15h 4m Buy It Now for only: $176.40 |
 22x25 Water to Air Heat Exchanger Outdoor Wood Furnace $219.00 Time Remaining: 21d 14h 39m Buy It Now for only: $219.00 |
 18x18 Water to Air Heat Exchanger Outdoor Wood Furnace $143.00 Time Remaining: 21d 14h 36m Buy It Now for only: $143.00 |
 Venmar REPLACEMENT ALUMINUM FILTER FOR AIR EXCHANGER WITH HEAT RECOVERY 01629 $19.23 Time Remaining: 16d 9h 45m Buy It Now for only: $19.23 |
 18x18 Water to Air Heat Exchanger Furnace Boiler Wood Stove up to 120000 BTU $143.00 Time Remaining: 11d 38m Buy It Now for only: $143.00 |
 Venmar REPLACEMENT FOAM FILTER FOR AIR EXCHANGER WITH HEAT RECOVERY 02436 40205 $23.32 Time Remaining: 18d 10h 22m Buy It Now for only: $23.32 |
 Venmar AIR EXCHANGER WITH HEAT RECOVERY REPLACEMENT FILTER 02422 40500 40225 $19.23 Time Remaining: 10d 6h 45m Buy It Now for only: $19.23 |
 19x20 Water to Air Heat Exchanger Outdoor Boiler Furnace Stove 150000 BTU $174.95 Time Remaining: 25d 20h 57m Buy It Now for only: $174.95 |
 19x20 Water to Air Heat Exchanger With Install Kit $203.40 Time Remaining: 27d 15h 4m Buy It Now for only: $203.40 |
 14x16 Water to Air Heat Exchanger for Dehumidification Outdoor Boiler Furnace $134.00 Time Remaining: 13d 19h 23m Buy It Now for only: $134.00 |
 Venmar REPLACEMENT ALUMINUM FILTER FOR AIR EXCHANGER WITH HEAT RECOVERY 01232 $19.23 Time Remaining: 16d 9h 45m Buy It Now for only: $19.23 |
 Venmar Air Exchanger 13734 Damper Actuator Assembly $99.00 Time Remaining: 7d 8h 2m Buy It Now for only: $99.00 |
 15x15 Water to Air Heat Exchanger Outdoor Wood Furnace $127.00 Time Remaining: 21d 14h 34m Buy It Now for only: $127.00 |
 14x14 Water to Air Heat Exchanger for Outdoor Boiler Furnace Stove 70000 Btu $135.00 Time Remaining: 10d 13h 10m Buy It Now for only: $135.00 |
 Venmar HEAT EXCHANGER REPLACEMENT ALUMINUM FILTER 01146 CH30110 air ventilation $17.35 Time Remaining: 13d 14h 22m Buy It Now for only: $17.35 |
 24x24 Water to Air Heat Exchanger for Dehumidification Outdoor Boiler Furnace $250.00 Time Remaining: 13d 19h 41m Buy It Now for only: $250.00 |
 18x20 Water to Air Heat Exchanger for Dehumidification Outdoor Boiler Furnace $161.50 Time Remaining: 13d 19h 30m Buy It Now for only: $161.50 |
Tai Chi Breathing Reduces Residual Air in Ineffective Retention Space
On average, an adult breathe 16-18 times per minutes, each time about 500ml of air exchanged in the lungs. When breathing in from the outside air, oxygen content is about 21% while carbon dioxide is 0.03%. On the other hand, breathing out produces about 16.5% oxygen and 4.5% carbon dioxide.
Based on the average of 16-18 breath per minutes, it can be estimated that the volume of air exchanged in the lungs is about 8000-9000ml. From this, the content of both oxygen and carbon dioxide exchanged can also be calculated.
In calculating the air exchanged, there's a factor that needs to be considered: there's about 150ml of air left in the Ineffective Retention.
What is Ineffective Retention?
Ineffective Retention refers to the space between the lungs and the nose, that is, the space in the nasal, throat, trachea, and bronchus which contains residual air of about 150ml. The residual air in Ineffective Retention has more carbon dioxide and lesser oxygen compared to the air outside.
Each inhale of 500ml of air from the outside will include this 150ml residual air in the Ineffective Retention. This means the effective oxygen content in each inhale is in fact lesser than 21%! This means, for every minute, you will be taking in about 2400-2700ml of residual air in the Ineffective Retention space!
Active air volume in the lungs is very important. Thus, through deep breathing, achieved through abdominal breathing - the air exchange in the lungs can be increased to 2000-6000ml, and at times, exceeding 6000ml!
And with deep breathing, which takes longer time per breath. On average, if you do deep and slow breathing, you can reduce the rate of breathing to 9 times per minutes, taking more than 2000ml of air per inhale. This will in effect, reduce the number of times where the 150 ml of air in the Ineffective Retention going back into the lung. This means that only 1350ml of residual air going back into the lung exchange, but fresh air exchanged is more than 18000ml per minute!
This increases oxygen intake significantly. Blood circulation and metabolism rate will increase, and immune system will be enhanced through deep, abdominal breathing!
This is another proof to show that Tai Chi Breathing has its scientific logic and reason for improving your health conditions and mental well-being. However, the data above showed how health can be improved by deep abdominal breathing alone only.
My system involves 5 Steps of Tai Chi Breathing, and abdominal breathing is only Step 2 of the whole system, and on its on, has shown such tremendous effect on your body health. What about other steps? And if you are interested in learning how to do Tai Chi Breathing correctly, and to make it your habit, go to my website under my signature and find out how.
And may the Energy of Tai Chi be with you! 
Breathing cheerfully,
C. Guan Soo
http://www.TaichiBreathing.com
Copyright (C) 2005 C. Guan Soo
*************** Note ***************
You may distribute or publish this article freely provide you do not make any changes or alteration on the article content, or remove my name and website from the article. Thank you!
C. Guan Soo is a Tai Chi Chuan practitioner who has 23 years experience in various meditation forms, martial arts, healing, charka healing and meditation as well. He is a keen learner of eastern philosophies including I-Ching, Daoism, Buddhism, Veda's and Jainism. You can find out more about Tai Chi Breathing on his website: http://www.TaichiBreathing.com
About the Author
Ventilation air exchanger