tag:blogger.com,1999:blog-14798090.post5689970988365791850..comments2024-03-27T06:42:31.956+00:00Comments on Mark Brinkley (aka House 2.0): Low energy homes - they don't always workMark Brinkleyhttp://www.blogger.com/profile/03473684038478246288noreply@blogger.comBlogger27125tag:blogger.com,1999:blog-14798090.post-7115893800897163342016-07-15T10:13:21.397+01:002016-07-15T10:13:21.397+01:00The finger of suspicion would seem to point at the...The finger of suspicion would seem to point at the commissioning of the MVHR ventilation, and the suspicion must be that the system hasn't been balanced correctly.<br /><br /> <a href="https://splendidgroupblog.wordpress.com/tag/splendid-group-project-bangalore-review/" rel="nofollow">splendid group review</a><br />Anonymoushttps://www.blogger.com/profile/07738055572349628866noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-57248819492779763472013-12-18T10:43:15.953+00:002013-12-18T10:43:15.953+00:00This insulation is covered with a protective mesh ...This insulation is covered with a protective mesh and tight delivery that is extremely durable and has a high impact resistance.<a href="http://www.external-wall-insulation.ie/" rel="nofollow"><b> External Wall Insulation</b></a> is a more expensive way to insulate the walls of your home, but it is highly effective.Our isolation comes in a wide variety of finishes and colors, which means that Anonymoushttps://www.blogger.com/profile/02738606276637814572noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-29498373694406457292013-08-03T11:05:09.212+01:002013-08-03T11:05:09.212+01:00This is great because just like any other time you...This is great because just like any other time you'e burning wood, you are going to get ash and soot on your stove and with all of the pieces contained to see more..<a href="http://www.GreenwoodUSA.com/" rel="nofollow">wood furnaces</a> Buy a Greenwood wood boiler that saves 70% on your home heating bills. We offer the world-class wood gasification heating appliances on an affordable budget.<Anonymoushttps://www.blogger.com/profile/12224670311308624735noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-66167319752518363892013-03-04T12:53:49.502+00:002013-03-04T12:53:49.502+00:00This is definitely a topic that's close to me ...This is definitely a topic that's close to me so Im happy that you wrote about it. I'm also happy that you did the subject some justice. Not only do you know a great deal about it,<br />RES Course Providerhttp://www.pioneertraining.org/res-course-providercea-approved-real-estate-coursenoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-61535822942259275552013-01-28T06:01:05.878+00:002013-01-28T06:01:05.878+00:00You have given us useful information regarding the...You have given us useful information regarding the low energy homes and why they don’t always work. The information us very useful<br />Skies Miltoniahttp://www.sgnewproperty.com.sg/d-25-28-north/skies-miltonianoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-23735829696481464642011-01-13T15:43:22.560+00:002011-01-13T15:43:22.560+00:00There is no reason that this house couldn't ha...There is no reason that this house couldn't have been designed and constructed to work pretty much as designed. However - the skills and understanding to carry this off successfully are still in their infancy in the UK. This doesn't mean that we can't fast track getting and employing those skills - but we need to be realistic and manage our own and our clients expectations. We need toUnknownhttps://www.blogger.com/profile/01739043106174741457noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-11767936622070368032011-01-13T15:42:59.978+00:002011-01-13T15:42:59.978+00:00There is no reason that this house couldn't ha...There is no reason that this house couldn't have been designed and constructed to work pretty much as designed. However - the skills and understanding to carry this off successfully are still in their infancy in the UK. This doesn't mean that we can't fast track getting and employing those skills - but we need to be realistic and manage our own and our clients expectations. We need toUnknownhttps://www.blogger.com/profile/01739043106174741457noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-85646915145837947212011-01-11T08:02:25.168+00:002011-01-11T08:02:25.168+00:00Sometimes getting low energy house can make you sp...Sometimes getting low energy house can make you spend more money before you can meet the installation of energy-reduced home.Philippine real estatehttp://www.manilaestates.com/noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-47631759818999425052011-01-10T17:05:13.257+00:002011-01-10T17:05:13.257+00:00Agree with most of the above. MHRV can only redist...Agree with most of the above. MHRV can only redistribute small heat loads.<br />Added to this assuming the problems were occuring last November. MHRV and Heating System may have been designed for -2degC ext. 20degCinternal.<br />Which given the cold November will have left "tightly" designed i.e NOT oversized systems struggling.<br />November 2010 degree days were 298 compared to a Ecorenovationhttps://www.blogger.com/profile/13710885529150756732noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-17253638232604923242010-12-28T00:37:05.016+00:002010-12-28T00:37:05.016+00:00Personaly know few people who were trying really h...Personaly know few people who were trying really hard in order to achieve the result of low energy homes, but finally they ended up paying larger bills than i did without any done to save energy...Kredyty Gotówkowehttp://www.e-gotowkowe.info.plnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-11266549204833124972010-12-17T11:58:35.672+00:002010-12-17T11:58:35.672+00:00And another thing: "The ventilation system ev...And another thing: "The ventilation system even had a 1kW post-heater installed in the inlet ducting, and yet still the upstairs was still freezing"<br />Do you mean "inlet ducting"? If so then this is a frost protection heating and serves no useful purpose in heating the house (the heat exchanger transfers any heat input to the exhaust - that's the idea, to keep the Alan Clarkenoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-8838075185484352812010-12-17T11:13:01.464+00:002010-12-17T11:13:01.464+00:00I have experience of a couple of houses which do w...I have experience of a couple of houses which do work better - though maybe rely mostly on natural convection up the staircase, which is open to the living area. We put in pipework for rads, as precaution, but never used.<br />1.7 ach is pretty good by a lot of people's standards, but indicates there are some real holes somewhere. If all that leakage is from the bedrooms it may not be as goodAlan Clarkenoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-47317676768906895722010-12-15T18:52:34.555+00:002010-12-15T18:52:34.555+00:00Interesting discussion. We promote Haus houses to...Interesting discussion. We promote Haus houses to our clients so it is worth being kept updated simply for them.Miss Fiona Davieshttp://www.landforsalewales.comnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-45727314508447514492010-12-15T18:46:13.879+00:002010-12-15T18:46:13.879+00:00Sounds like the new soundproofing between floors i...Sounds like the new soundproofing between floors is very effective. <br /><br />I wish I could float on the ceiling as that's where all the warm air seems to hide in this room!<br /><br />I quite fancy some heat recovery air brick vent style things but suspect they'll just be fairly useless and quite annoying in the bedroom.Emilyhttp://www.voucherfreebies.co.uknoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-38107266880524150282010-12-08T17:35:14.044+00:002010-12-08T17:35:14.044+00:00It's not a surprise to me. Any HVAC profession...It's not a surprise to me. Any HVAC professional would have done a calculation to determine the flow rates required to distribute sufficient heat for each room. The problem is, HRV systems are designed to move fresh air, not heat as their flow rates are about an order of magnitude too low. For example, the ventilation requirements for a bedroom are of the order of 10 l/s. Assuming the total Unknownhttps://www.blogger.com/profile/04159273748602638912noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-51985147918738588742010-12-06T18:01:18.414+00:002010-12-06T18:01:18.414+00:00I agree with many of the comments previously made....I agree with many of the comments previously made. An additional factor may be that SAP may have been used in the design process - and SAP has been shown to be a very poor at modelling low energy homes.<br /><br />In contrast, the PHPP software (intended for Passivhaus design) is known to be an excellent tool for modelling low-energy homes, and IMHO should be used even if there is no desire to Maxnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-65393554398631475792010-12-05T14:57:45.497+00:002010-12-05T14:57:45.497+00:00MVHR can't heat large, low-occupancy detached ...MVHR can't heat large, low-occupancy detached houses. Heat loss is too high for a low air flow to cope. Also 1.7 ac/h is three times as leaky as Passivhaus. It doesn't meet the 30 year-old R-2000 standard either. I'm sad to hear that they're so unhappy but not surprised. They should have fitted small radiators. <br /><br />Added to that the real test of a heating system isn't Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-2626505535140242572010-12-03T09:04:29.129+00:002010-12-03T09:04:29.129+00:00That is what is supprising, it works with Sips, th...That is what is supprising, it works with Sips, the only reasons I can see for this house not performing are poor u Values, excessive thermal bridging, and the floor insulation. But you would still expect the heat to move up the stairwell.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-64892750423083559522010-12-03T07:22:36.868+00:002010-12-03T07:22:36.868+00:00I would tend to agree with many of these comments ...I would tend to agree with many of these comments but I have come across several people building SIPs homes who have used MVHR to distribute heat around the house and have been extremely happy with the results. Possibly this has been more by luck than judgment!Mark Brinkleyhttps://www.blogger.com/profile/03473684038478246288noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-54194796563004075172010-12-03T00:34:00.856+00:002010-12-03T00:34:00.856+00:00The finger of blame points to whoever said that a ...The finger of blame points to whoever said that a MHVR system can distribute temp differences around the house. It moves half the house's volume of air per hour - how much heat does that contain and move? not a lot - and it only returns 85% of that. Add to that, the natural chimney effect - heat rising - doesn't work because there's no lower inlet and upper outlet in an airtight houseUnknownhttps://www.blogger.com/profile/06796325006077141917noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-48131016139702132862010-12-02T13:10:33.557+00:002010-12-02T13:10:33.557+00:00Dave's comments are spot on just what I was go...Dave's comments are spot on just what I was going to write.Alex877https://www.blogger.com/profile/02235347367201939646noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-48143403832273107742010-12-02T11:51:22.965+00:002010-12-02T11:51:22.965+00:00"In theory, it should all work like a dream&q..."In theory, it should all work like a dream"<br /><br />I'm not sure why you think so? There are two issues:<br /><br />(1) An MVHR system can't transport enough heat to keep a house warm unless the house is insulated to at least Passivhaus level. That's basically how the Passivhaus insulation level was decided. Since there doesn't seem to be any claim that this house isDave Howorthnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-36677342008216158112010-12-02T06:57:40.951+00:002010-12-02T06:57:40.951+00:00Thanks for all the helpful comments. I don't k...Thanks for all the helpful comments. I don't know what the fabric U values are, but I understand that they beat the current regs.<br /><br />In theory, it should all work like a dream.....Mark Brinkleyhttps://www.blogger.com/profile/03473684038478246288noreply@blogger.comtag:blogger.com,1999:blog-14798090.post-35488965549885264102010-12-01T16:49:05.933+00:002010-12-01T16:49:05.933+00:00On a broader front it makes me wonder how many of ...On a broader front it makes me wonder how many of these ventilation and heat recovery systems are being switched off because the occupants either do not like them or do not understand what they do. <br /><br />And why in this case has this set-up not been commissioned properly? Presumably because it has never been fully tested in winter and the problems are now only coming to light. Perhaps theAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-14798090.post-27035059886646937552010-12-01T16:35:11.631+00:002010-12-01T16:35:11.631+00:00Interesting article. I can relate to some of this....Interesting article. I can relate to some of this. Our house doesn't have MHVR but we do have a similar pattern of upstairs/downstairs temperature. That glass fibre between the floors was a pain to install and not even that good at sound deadening but it certainly stops the bedrooms getting warm.<br /><br />Our new Morso 1648 woodstove has taken some getting used to after older stoves we havebuildingstoathttps://www.blogger.com/profile/05547733565964401449noreply@blogger.com