Frequently Asked Questions

Got Questions? We’ve Got Answers

Choose Northernair for all your home or business air conditioning needs. Our certified, fully insured team can design, install, repair, service and maintain your air conditioning system. We service Byron Bay, Ballina, Lennox Head, Casino, Lismore, Mullumbimby, Ocean Shores, Bangalow and surrounding areas.


Backed by more than 40 years of experience, we’re proud to be locally owned and operated with the largest technician team in the Northern Rivers. We’re available 24/7 for emergency callouts and committed to fast, reliable service across residential and commercial jobs.


We’re fully licensed and accredited to deliver professional, dependable work you can count on. Whether you’re planning a new installation or need urgent repairs, we’re here to help. Call (02) 6623 0000 for an obligation-free quote or to speak with our experienced team.

ARCTick: AU12541 
Contractor Licence: 19802C 
Authorised Agent for Daikin

What is air conditioning?

How much does air conditioning actually cost?

What are the three types of air conditioners?

How long do air conditioning units last?

What’s the most energy-efficient setting for my air conditioner?

Is it worth getting an air conditioner serviced?

Which A/C is best for the living room?

How can I cool my room without an A/C?

What should I do if my indoor air conditioning unit is dripping water?

Why is my outdoor air conditioning unit dripping water?

Can I install an air conditioner myself?

How much does it cost to install an air conditioner?

What is the difference between commercial and industrial refrigeration?

I have just cleaned my filter, but the light is still flashing. What should I do?

What is a freezer room?

Is a duct extraction system worth it?

Does ducted air conditioning increase home value?

Do commercial fridges use more electricity?

Are commercial ventilation systems important?

Do commercial refrigerators last longer?

What is a mechanical exhaust system?