I've been in the restaurant/bar business for about 15 years and have always wanted to learn about refrigeration systems and air conditioning units. Ever since reading how my propane fridge at the cottage worked (amazed me at time!). I'm looking forward to meeting people who have been in the business for years and continuing my "education".
Clothes taking longer to dry?
Clean the dryer screen in HOT water if using fabric softener sheets.
They leave a residue that impedes air-flow, costing you money.
Clean the ducting in the last six months? 17,000 dryer fires annually!