Bottom Line: Some conventional canola oils are questionable, but you can avoid the dangers and reap the heart-healthy benefits by choosing a quality expeller-pressed or cold-pressed oil that's also organic or non-GMO.
The average ductless mini split air conditioner, with proper care and maintenance, will have a lifespan of 12 to 15 years. If you live in an area with high humidity or salt, your system may not last quite as long. The best maintenance you can provide your system is cleaning it. Clean and change your filters.
Check out our Energy Saver 101 infographic on home cooling to learn how ductless, mini-split air conditioners stack up against other cooling systems. Like central systems, mini splits have two main components: an outdoor compressor/condenser, and an indoor air-handling unit.