below is from a recent model Whirlpool high-capacity dryer. It meets the requirement for this condo with up to one 90º elbow.

The chart for the long vent model of the same dryer shows a dramatic increase in allowable vent length. Even with multiple elbows, it easily exceeds the 45-foot rating requirement, at a premium of about 40% over the standard model price.

   Another option, which can be helpful for dryer vents that run vertically through a roof (which seem to clog more often than horizontal vents), is the addition of a dryer booster fan like the “Fantech DBF-110” shown below. It mounts in-line with a 4-inch vent in the attic.

    Here’s an example below of what happens when you have a long vertical dryer vent, without sufficient blower air velocity, terminating on a steep roof that is difficult to access for cleaning

While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. Also, construction standards vary in different parts of the country and it is possible that issues related to your area may not be covered here.
©2015 - McGarry and Madsen Inspection. -

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More Blog Posts on Home Inspection:

  1. The seller has to fix everything you find wrong with the house, right?

  2. Why is it bad to have a clothes dryer vent near an air conditioning condenser (outdoor unit)?

  3. Do you see similar problems with houses in the same neighborhood?

  4. Can I do my own home inspection?

  5. What should I look for when buying a former rental house?

  6. Should a home inspection scare you?

  7. Is it still possible to do an inspection if there’s no electricity or water?

  8. What happens at a home inspection?

  9. What is the difference between an appraisal and a home inspection?

  10. What is the best way to negotiate repairs after the home inspection?

  11. Are you licensed and insured?

  12. Should I hire an engineer to inspect the house?

  13. How can I tell if cracks in the garage floor are a problem or not?

  14. What do I need to know about a condo inspection?

  15. Does the home inspector also check for termites?

  16. What tools do you use for a home inspection?

  17. How much does a home inspection cost?

  18. What is the difference between a building inspector and a home inspector?

  19. What problems should I look for when buying a country house or rural property?

  20. What is the difference between a home inspection and a final walkthrough inspection?

  21. What can I learn from talking with the seller?

  22. Do you lift up the carpet to look for cracks in the floor?

  23. What do you inspect in the crawl space under a house?

  24. Should I buy a foreclosure house if the bank refuses to turn on the utilities?

  25. What are those metal boxes on the roof?

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