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Mold, Lead, Asbestos Testing Kits - recommended or seek a professional?

Professional testing of Mold or Lead or Asbestos can range from $300 - $1000 for each type. I just found some home testing kits that require you to take and submit samples. Are these a good cost ...
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Air Admittance Valve Testing Equipment For Inspection

I have an Oatey air admittance valve (AAV) installed in my home as part of an improvement project. Today the inspector came and said that the AAV would have to be tested with an air admittance valve ...
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Pressure Testing plumbing - pressure drop over night

I'm pressure testing some PEX before I close in the walls. I pumped in 80psi of air around noon yesterday and it was about 60 degrees F. Was a solid 80psi from when i filled to to 11pm (11 hours). ...
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How to test/record evidence of intermittent electrical outages?

We recently had the electrical systems in our 80 year old house completely brought up to code, removing and replacing everything from original knob & tube up through modern romex. As part of the ...
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How can I check if my boiler room thermostat is working?

I have an old Honeywell basic thermostat and I am not sure if it's working properly or not. I doubt it because the boiler stops burning after some time even when I set 30 °C on the thermostat and ...
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Air testing for new plumbing in addition?

I have inspection in a few days for my new plumbing (3" SCH 40), 1 1/2" Drain lines. Inspector told me I am responsible for the test plugs, air guage and the whole set up. Im looking to set this up ...