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[Amazon.ca] Radon Detector - Corentium Home by Airthings - $179.99

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  • Nov 28th, 2019 11:58 am
Member
Jun 29, 2017
348 posts
1111 upvotes
robfun wrote: After 1 week with the new Corentium Home by Airthings, here is a 7-day (short term) comparison with our 3.5 year old Safety Siren Pro.

Corentium Home by Airthings: 166
Safety Siren Pro: 238
Difference: 72

The safety Siren Pro is supposed be calibrated annually by the company, but we haven't paid to have that done. I think I saw someone say it's $75 + shipping? I like that Corentium Home's calibration is supposed to be good for 10 years.

I haven't been a big fan of the Safety Siren. It only has 7-day and long term readings. I like Corentium's 1-day reading - I can tell more quickly if a change in the house "seems" to be having an impact. There are so many factors, it can be hard to tell, but waiting a full week was a long time.

As well, Safety Siren sounds an alarm whenever it goes above 200. Once the level hits 200, the alarm can be turned off. Great. Unfortunately, as soon as the level drops below 200, the alarm setting is turned back on. We often hover around the 200 mark, going just above and just below 200. Since I can't permanently disable the alarm, the alarm would be going off multiple times in a day despite me turning the alarm off each time. I have to remember to unplug the unit at night whenever it was around 200.
AN update on this. It appears the Corentium Home needed more than a week to calibrate.

For the past week, the 2 radon detectors have generally been within 10 of each other. Currently:

Corentium Home by Airthings: 197
Safety Siren Pro: 203
Difference: 6
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Dec 19, 2001
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Fernando Poo
Just started mine in the house we're renting, the reading after nine hours is 204. We won't be putting in a mitigation system since we don't own it. Guessing limited exposure is okay? My daughter would have her TV down there which means a few hours during weekdays, maybe eight during the weekend and holidays. My son visits for a max. of a week a few times a year and will be down there. Was hoping it would be closer to 100 but 204 is still less than I feared. Would cracking open a window help?

Update: Its now reading 245 average, 275 one day.
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Dec 26, 2005
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Thornhill
hagbard wrote: Just started mine in the house we're renting, the reading after nine hours is 204. We won't be putting in a mitigation system since we don't own it. Guessing limited exposure is okay? My daughter would have her TV down there which means a few hours during weekdays, maybe eight during the weekend and holidays. My son visits for a max. of a week a few times a year and will be down there. Was hoping it would be closer to 100 but 204 is still less than I feared. Would cracking open a window help?

Update: Its now reading 245 average, 275 one day.
It's all statistical in terms of possibility of lung cancer etc.

Opening a window will definitely help. Running a bathroom exhaust fan would work as well. Keep in mind the possibility of negative pressure of course.

bjl
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Dec 19, 2001
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Fernando Poo
t3359 wrote: It's all statistical in terms of possibility of lung cancer etc.

Opening a window will definitely help. Running a bathroom exhaust fan would work as well. Keep in mind the possibility of negative pressure of course.

bjl
Thanks. Looks like we might be moving twice in one year.
Newbie
Oct 29, 2006
45 posts
13 upvotes
You need to run it for at least 3 months to get an accurate picture. Levels can vary wildly from day to day.
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Jan 7, 2002
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Waterloo, ON
swilson wrote: You need to run it for at least 3 months to get an accurate picture. Levels can vary wildly from day to day.
There can be significant seasonal and weather-related changes as well. I've been measuring with an Airthings Wave for almost a year now. I've seen everything from lows of ~10 to highs of ~100 with an average of ~30 in the same location in the basement.
veni, vidi, Visa
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Dec 19, 2001
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Fernando Poo
Okay, well its been raining cats and dogs the past few days so maybe that's playing a role. Went back this morning and it had dropped somewhat (can't remember the numbers) and its no longer raining.
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Nov 28, 2016
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Out west
So I left it sitting now in the rec room for 8 days, and the average is 111. Before this Ive had it for a month and was testing each room a few days. I even put it in the furnace room for a week.

The house is now sealed up for winter and the furnace used more. Before this I was in the mid to low double digits.

Ill be keeping my eye on it over the winter. Its in a central spot in the rec room at a good height and wont be moved much except to maybe dust the area.

I will see after the winter what the average level is. I know under 100 in Canada is the goal, and if it goes crazy high I will be doing mitigation, but this level Im just going to leave for now. Sometimes when I walk but the daily average is still mid double digits.
Member
Aug 25, 2012
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VANCOUVER
Black Friday price is even lower now for the first generation wave at $149! What a steal for piece of mind! If you ever plan on pulling the trigger on this one, now would be the time!
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Dec 26, 2005
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frozatio wrote: Black Friday price is even lower now for the first generation wave at $149! What a steal for piece of mind! If you ever plan on pulling the trigger on this one, now would be the time!
On amazon? You should post a new thread in hot deals.
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t3359 wrote: On amazon? You should post a new thread in hot deals.
Best Buy as well. Could of waited, but now after using it I know my levels are good. Was that worth $30 though, not sure

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