Multi-split air conditioning systems are a great way to heat or cool different rooms using one outdoor unit — but when the seasons change, they can act up in ways that confuse a lot of homeowners.

As the temperature drops, energy bills tend to rise — especially if you’re relying on electric heating or running your reverse cycle air conditioner 24/7. But staying warm doesn’t have to mean spending a fortune.

And How Setpoint Control Could Be the Hidden Problem

Keep your AC running efficiently with these easy maintenance tips

When your air conditioning system isn't working as it should, it's tempting to panic and call a technician right away. However, some issues are simple enough for you to fix yourself. In this guide, we’ll walk you through common AC problems, quick DIY solutions, and when it’s time to bring in a professional.