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.
If itâs time to schedule a preventive maintenance service appointment for your ductless mini split, and you want to avoid the pitfalls of failing to maintain your system, hereâs what your technician will do to keep it in top working condition: 1  Change the systemâs air filter regularly.
Ductless Mini Splits Require Maintenance Too â Hereâs What Your Technician Will Do. by Don Rackler on September 25, 2012. Picture this scenario: You were smart to install ductless mini splits in your home in lieu of a costly ductwork retrofit.