This is a picture of our dryer duct.

Clearly the duct clearly doesn’t need to be so long and its long bendiness is hurting our dryer efficiency and thence energy costs. I hang dry my laundry for environmental and clothing preservation reasons, but my associates do use the dryer.
A CMHC page, Are clogged clothes dryer vents a fire hazard?, says:

The risk of dryer vent fires can be limited by ensuring that the dryer vent length (including allowances for elbows, transitions and outdoor hood assemblies) does not exceed the dryer manufacturer’s recommendations.

Hey that’s a good point. I should check the manufacturer’s recommendations.

The Frigidaire dryer FAQ Frigidaire TIps & FAQs says:

•• Exhaust duct is longer and/or has more 90° bends than recommended by the manufacturer.
Refer to the Installation Instructions for maximum length, number of elbows, and specifications for rigid and flexible metal ducts. Install the dryer accordingly. DO NOT use plastic flexible duct or metal foil duct.

Yikes, we have a plastic flexible duct that it specifically warns against as well as three 90° bends and two 180° bends, but what about length. Now, I just need to find the installation instructions for our model and look up how long it should be. It just says Heavy Duty on the front and no model number. Maybe . . . oh, here are the unopened instructions on the floor behind the dryer.

Here’s the page:

It doesn’t seem to list the configuration (seven 90° turns) that we have, but we should be able to do it in two bends and less than 14′ (4.27 metres).

Now we just have to get it fixed.