HVAC Maintenance Tips to Prevent Service Calls

Hour 1

Hour 2

Here’s a question from our 7/13/2019 Today’s Homeowner Radio Show.

Kevin from Florida says, “I recently had an HVAC service technician come out to unclog my condensation drain line (my fault for not doing preventive maintenance, and I couldn’t get it unclogged myself). I went to do the preventive maintenance today and found that he had drilled a small hole in the top of the plastic cap. I’ve never seen one with a hole and there is air noticeably escaping while the A/C unit is running. Is this hole necessary or suggested?”

We tell Kevin the hole is likely to prevent an air trap in the line.

Listen above for the segment!

Read the blog from the July 13 show and listen to the full broadcast here


  1. I thought you were going to answer the question bleach, or vinegar on this post. If you did, I missed it. Thanks

    • Hi, David,
      We recommend regularly pouring bleach down the condensate drain line for best results. (Joe talks about that at the 3:04 mark)
      Good luck!


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