Electrical
Safety Switch Keeps Tripping? How to Find the Culprit
RCD or safety switch keeps tripping? A Perth electrician's 10-minute diagnostic to find the faulty appliance or circuit, and the trips that mean call someone.
Read more →
OTTER AIR BLOG
Tips & advice for Perth homes
Practical, no-nonsense guides on air conditioning and electrical — from your local, licensed Perth team.
Electrical
Why Is My Smoke Alarm Beeping? Every Chirp, Decoded
Smoke alarm beeping or chirping? What each beep pattern means, the fixes you can do tonight, and the one beep that means the alarm is telling you it's done.
Read more →
Electrical
Best Home EV Charger Australia: 2026 Picks
The best home EV charger Australia offers in 2026, ranked by a licensed installer: Evnex, Tesla, Zappi, Wallbox and Fronius compared, plus solar charging picks.
Read more →
Electrical
EV Charger Installation Cost Perth (2026 Prices)
EV charger installation cost in Perth: real 2026 prices from a licensed electrician. Install-only from $650, supply & install from $1,410. Free fixed quotes.
Read more →
Air Conditioning
What Size Air Conditioner Do I Need? Perth Guide
Size a split system by room: kW per m², what changes the answer, and why bigger isn't better. A plain-English Perth sizing guide.
Read more →
Air Conditioning
How to Clean Your Aircon Filter: Split & Ducted
How to clean air conditioner filter on a split or ducted system at home: a step-by-step Perth guide to lower power bills, better air, and cooler rooms.
Read more →
Air Conditioning
Split System Installation Cost Perth (2026)
Split system air conditioning installation cost in Perth (2026): real supply-and-install prices by kW, multi-head systems and what bumps the quote. Free quotes.
Read more →
Air Conditioning
Why Is My Aircon Leaking Water? Perth Guide
Aircon leaking water inside or out? Real Perth causes, quick DIY checks, and when to call before it wrecks your ceiling. Free quotes.
Read more →
Air Conditioning
Ducted Air Conditioning Cost Perth: $8k–$22k
Ducted air conditioning in Perth runs $8,000–$15,000 for most homes, up to $22,000+ for large ones. Real 2026 install prices, zoning and quote checks.
Read more →
Electrical
Switchboard Upgrade Cost Perth: $500–$4,500
Switchboard upgrades in Perth cost $500–$4,500. A licensed WA electrician explains what's genuinely needed, RCD vs RCBO, and how to spot a padded quote.
Read more →
Air Conditioning
Split System vs Ducted Aircon: Perth Guide
Split system or ducted reverse cycle? Compare cost, comfort and efficiency to choose the best air conditioning for your Perth home — from your local experts.
Read more →
Electrical
WA Smoke Alarm Laws: Rules for Homes & Rentals
Smoke alarm requirements WA: when hardwired alarms are required, the 10-year rule, placement, and what landlords and sellers must do. By a licensed electrician.
Read more →