September Home Maintenance To-Do List

Woman repairs air conditioner ductwork with metallic foil tape
Apply metallic foil tape made for ductwork repairs to fix gaps in your heating and cooling system. (©Kuchina, Adobe Stock Photos)

To-Do #1: Service Heating and Cooling System

As the days get cooler, you may find yourself making that first switch of the thermostat from AC to heat. To make sure your heating system will keep you warm this winter, call in a licensed HVAC (Heating, Ventilation and Air Conditioning) professional to inspect and service the HVAC system in your home. In addition to changing your air filter, a HVAC professional can:

  • Test the safety controls that help prevent fires.
  • Clean the blower and motor and make sure they’re in good repair.
  • Test the furnace burner, switches, and thermostat.
  • Check the unit and ductwork for leaks.

You can also inspect the ductwork and seal ductwork cracks and leaks yourself. This is especially important if your ducts are in the attic, where they can accidentally get stepped on. Minor leaks can be sealed with special metallic duct sealing tape and duct mastic.

If your home doesn’t already have a programmable thermostat, now is a good time to have one installed or install it yourself.

A programmable thermostat allow can be set to automatically adjust your home’s temperature when you’re away or sleeping, which can save on both heating and cooling costs. For information about do-it-yourself installation, check out our video on Installing a Programmable Thermostat.


  1. Once again Danny provides solid advice on how to prepare your home for the new season. Cosmetic changes are always nice, but solid advice for safety and security in your home are top notch! Sharon, HomeMD Inspection Services

  2. Had a metal roof installed next to the back of my house over a wooden deck. It’s great sitting out with my coffee & enjoying mother nature. However it leaks under roof & the facial boards.. Help.

  3. I just saw your show on Morning Blend and I didn’t catch all that you said about the door sweeps. Where could I see that again? Thank you.
    Mary Lu

  4. I would like to know more about lubricating your garage doors with engine oil. I have used white lithium grease, but they still seem loud.

  5. We enjoy your show so much, even though it airs very early on our local cbs channel! We love the monthly updates and the info you provide both on the show and on the website. Printed out the fall list, even though we have lived in this house many years, it’s always good to have a reminder list of things that should be attended to. Might I mention one other: have your pest control company do a thorough check inside your home for evidence of insects/rodents. Even with the best pest control, things do happen, and can be overlooked if in an unused space.

  6. I saw a episode as I was preparing for the day early one morning. I saw your checklist which reminded me of the one I had from several years back. I liked your list and wanted to get a copy of it; not only to compare with mine but to put to use what I may have missed.


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