saveasteading Posted January 26 Posted January 26 The steading is done. BCO final visit next week and ...ooops we haven't fitted a CO2 detector as required in one bedroom. A CO2 monitor should be permanently fixed and is required to be mains operated." Does this mean it needs to be fixed to the wall and hardwired? I . Having to be hard wired is a pain and awkward being so late. They seem to be very expensive. £150 and rising. Any recommendations please, considering cost, rapid availability, ease of installation and, of course, that they perform.
saveasteading Posted January 26 Author Posted January 26 I see we discussed this in 2021! have I been on BH that long? But it was early days I hoping you recent completers can advise.
Marvin Posted January 26 Posted January 26 Yes but even the mains connected ones don't last for ever. ours lasted about 5 years! Its the same with smoke detectors/heat sensors....
Marvin Posted January 26 Posted January 26 See part J of the building regulations for positioning....
saveasteading Posted January 26 Author Posted January 26 On 26/01/2025 at 13:37, Marvin said: ours lasted about 5 years! Expand got a name ? Anything good or annoying about it? eg bright display or sounds.
Kelvin Posted January 26 Posted January 26 (edited) The one we have is by Deta. Hardwired. It only lights up when you press the button and it’ll cycle through 8hr average, 24hr average, and 24hr peak. It will display Green, Amber, or Red depending on the level of CO2 detected. Currently showing 24hr peak. Edited January 26 by Kelvin 1
MikeSharp01 Posted January 26 Posted January 26 On 26/01/2025 at 14:00, Kelvin said: It will display Green, Amber, or Red depending on the level of CO2 detected. Currently showing 24hr peak. Expand Where is the sensor, I dimly recall it has to be no more than 300mm above the floor.
SteamyTea Posted January 26 Posted January 26 I am sure I have asked this before, why a CO2 detector? CO is the killer. CO2 sensors need permanent calibration, so not that reliable in reality.
BotusBuild Posted January 26 Posted January 26 @SteamyTea see this - https://www.co2meter.com/en-uk/blogs/news/dangers-of-co2-what-you-need-to-know?srsltid=AfmBOorKFZDWt11eb2LlY5H9o5lyfIzqouj0eAm_Xc8cbAPzbeZsuZ-F#co2-dangers In a domestic environment I guess the issue is for basements where the "heavy" gas cannot naturally escape particularly if used as a bedroom
SteamyTea Posted January 26 Posted January 26 On 26/01/2025 at 14:40, BotusBuild said: @SteamyTea see this - https://www.co2meter.com/en-uk/blogs/news/dangers-of-co2-what-you-need-to-know?srsltid=AfmBOorKFZDWt11eb2LlY5H9o5lyfIzqouj0eAm_Xc8cbAPzbeZsuZ-F#co2-dangers In a domestic environment I guess the issue is for basements where the "heavy" gas cannot naturally escape particularly if used as a bedroom Expand I think if you see 40k ppm in a confined space, you have bigger immediate problems, like how to scratch your way out of a coffin. 1
JohnMo Posted January 26 Posted January 26 We use Deta, as linked above. Been ticking away without issue for a couple of years. On 26/01/2025 at 14:19, SteamyTea said: am sure I have asked this before, why a CO2 detector Expand To show the people living in the building it is being ventilated correctly. On 26/01/2025 at 14:07, MikeSharp01 said: Where is the sensor, I dimly recall it has to be no more than 300mm above the floor. Expand Between 1.4 and 1.6m from floor if wall mounted. https://www.gov.scot/publications/building-standards-technical-handbook-2020-domestic/3-environment/3-14-ventilation/
JohnMo Posted January 26 Posted January 26 On 26/01/2025 at 13:38, Marvin said: part J of the building regulations Expand Different equipment - you are quoting CO not CO2.
SteamyTea Posted January 26 Posted January 26 (edited) On 26/01/2025 at 14:52, JohnMo said: To show the people living in the building it is being ventilated correctly Expand Is that because Scotch regulations are different than England's. Better air tightness and mandatory mechanical ventilation below a set ACH level. If that is the case, it is not really the CO2 levels that are important, more a case, as you say, the place is being ventilated. Edited January 26 by SteamyTea
Kelvin Posted January 26 Posted January 26 (edited) On 26/01/2025 at 14:07, MikeSharp01 said: Where is the sensor, I dimly recall it has to be no more than 300mm above the floor. Expand It doesn’t specify as far as I can remember other than it must be hard wired, easily visible, not covered up, not at the head of the bed, not in corners, good airflow. There are other guidelines about what it displays and how it’s displayed. It also shouldn’t have an alarm as folk will switch them off. We also fitted one in the smaller guest bedroom and the peak reading is much higher. https://www.gov.scot/binaries/content/documents/govscot/publications/advice-and-guidance/2017/11/building-standards-domestic-ventilation-supporting-guidance/documents/building-standards-domestic-ventilation-supporting-guidance-version-2.1-november-2017/building-standards-domestic-ventilation-supporting-guidance-version-2.1-november-2017/govscot%3Adocument/Building%2Bstandards%2Bdomestic%2Bventilation%2Bguidance%2C%2BNovember%2B2017.pdf Edited January 26 by Kelvin
JohnMo Posted January 26 Posted January 26 On 26/01/2025 at 15:30, Kelvin said: On 26/01/2025 at 14:07, MikeSharp01 said: Where is the sensor, I dimly recall it has to be no more than 300mm above the floor. Expand It doesn’t specify as far as I can remember Expand It does Unless otherwise indicated by the manufacturer, a carbon dioxide monitor, with or without an integral detector, should be mounted between 1.4m and 1.6m above floor level. A carbon dioxide detector head (or monitor if integrated) should not be sited within 1m of the expected location of a bed-head.
Kelvin Posted January 26 Posted January 26 Ah right. I may have mixed up the detector and separate head unit. Ours are integrated and at 144cm. I cut the holes for them so that might be just good luck but more likely under instruction from the electrician.
Kelvin Posted January 26 Posted January 26 Oh and congrats @saveasteading on getting there. Given I did actually see it before the renovation work started I know how much work was needed.
saveasteading Posted January 26 Author Posted January 26 On 26/01/2025 at 16:47, Kelvin said: congrats @saveasteading on getting there. Expand This last year has had very little input from me, but masses of work by daughter and soninlaw. They have excelled. They've been boarding in the stairway today too. A shame to lose the storage space but needs must.
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