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Check how it's running
We look at run times and cooling output to see whether the unit is short-cycling, never cycling off, or just working too hard for the result it gives.
Find what's chewing the power and fix it properly. Sydney wide, since 1991.
Air Conditioner High Power Bills?
Common AC Problems
Why Your Power Bills
Are So High
Air con sending your power bill through the roof? A struggling system runs longer to deliver the same cooling, and longer running is what you're paying for. The usual culprits are packed filters, a dirty coil, low gas, an old R22 unit, or a system that's the wrong size for the space. All of them fixable, most of them cheap.
A standard service call is $250 plus GST. We come out, test the system, find what's making it work harder than it should, and quote any fix before we start. A Gold service is also $250 and often pays for itself in one summer of lower air conditioning running costs. We've been doing it across Sydney since 1991. 4.8 stars from 280+ reviews.
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Years of Industry Experience
Licensed, Certified & Insured Technicians
Environmentally Responsible & ARCtick Certified
100% Service Satisfaction Guarantee
Flexible & Affordable Financing Options
Wide Range of Systems & Leading Brands
Quick Checks First
Before You Call About High Bills
Simple Checks at Home
Set it sensibly
Every degree colder costs you more. Set cooling around 24 degrees and let the system cycle. Hammering it at the coldest setting all day is the dearest way to run it.
Wash the filter
A packed filter makes the system run longer for the same cooling, and you pay for every extra minute. Rinse the filters every couple of months. It's the cheapest power saving there is.
Check the outdoor unit
The outdoor unit dumps the heat. If it's caked in dirt or buried behind pot plants and junk, it works harder and chews more power. Clear it and give it room to breathe.
Use the zones
Got ducted? Don't cool the whole house to sit in one room. Zone it down to where you actually are and you're paying to cool half the space instead of all of it.
If Bills Are Still High
If the quick checks haven't moved the needle, it's time to look at the system itself. The big one we see is age. If your unit runs on R22 gas, it's at least 15 years old, and the old fixed-speed gear chews through electricity next to a modern inverter. R22 itself costs $265 a kilo when it needs a top-up, the dearest gas there is, because it's been phased out.
Here's the honest maths. A 15 year old system limping through summer can cost you plenty more in electricity than a new one doing the same job. Sometimes the smartest money isn't a repair, it's a replacement, and we'll tell you straight which side of the line you're on. Our pricing page has what installs and services cost, no surprises.
Common Factors
Common High Power Bill Signs
What You Might Notice
High bills show up in a few patterns, and the pattern points to the cause. Here's what each one usually means and what it costs to put right.
Weak airflow
Weak airflow means the system runs longer to hit the set temperature, and run time is what you pay for. Packed filters you can wash yourself for free. A properly dirty indoor coil needs a chemical clean, which runs $200 to $300 and makes a real difference to both airflow and efficiency.
System runs all day
A system that never cycles off is either low on gas, choked for airflow, or the wrong size for the space. Low gas means a leak. We find it, fix it and regas, with a straight top-up from $200 to $350. If it’s a sizing problem, no repair fixes that. Our sizing calculator tells you what the space actually needs.
Bills jump suddenly
A sudden jump with no change in how you use it points to a fault. A failing fan motor or a seizing bearing makes the unit work harder, a faulty sensor can keep the compressor running flat out, and a dirty coil builds up over a season. A $250 service call finds it, and we quote the fix before we start.
Warm air and high bills
Running hard and blowing warm is the worst of both worlds. You’re paying full power for no cooling. That’s usually low gas or a tired compressor, and it ties straight into our not cooling guide. Don’t keep running it like that, it costs you twice.
When to Stop Using the System
A high bill on its own isn't dangerous, but a bill spike plus signs of strain is. Burning smells, breaker trips, loud grinding or screeching, or the outdoor unit running non-stop even when cooling is off. Any of those, switch it off at the breaker and give us a bell. A motor or compressor on the way out doesn't just waste power, it can take the rest of the system with it. If it's making odd sounds, our noise guide tells you what each one means.
Diagnosis Process
How We Find What's Costing You
We don't guess. Here's how we track down what's making a system burn extra power.
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Test the electricals
We check current draw and the controls. A motor pulling more amps than it should, or a faulty sensor holding the compressor on, shows up here.
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Read the gas pressures
Gauges go on. Low refrigerant makes the system run longer for the same cooling, so a leak is one of the biggest hidden power wasters.
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Check airflow and ducting
Restricted airflow and leaky ducts make a system work overtime. On ducted jobs, leaking ducts cool your roof cavity and you pay for it.
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Inspect the parts
Coils, fans and motors. Worn or dirty parts drop efficiency. We tell you what's worth fixing and what's flogging a dead system.
Real Jobs
Real Jobs We've Done
Ducted system running non-stop – Kogarah
Customer’s summer bill had doubled and the ducted unit never switched off. Found it low on gas from a flare leak at the outdoor unit, so it was running flat out and never reaching temp. Fixed the flare, pressure tested, regassed. Back to normal cycling and the next bill dropped right back. $360.
Old R22 split chewing power – Miranda
17 year old 5kW split, fixed-speed, blowing barely cool and costing a fortune to run. Coil was caked and it was low on R22, the dear phased-out gas. We laid out the maths: keep feeding an ageing R22 unit or replace it. They went a new 5kW inverter, $2,650 fitted, and the running cost fell off a cliff.
Filthy coil, high bill – Penshurst
Split running long and hard, no fault codes, just an expensive bill. Indoor coil was packed solid and the filters hadn’t been touched in years. Full chemical coil clean and a filter sort-out, no parts needed. Airflow and efficiency back to where they should be. $280.
Get Your Bills Under Control
Sick of paying to run a system that's not pulling its weight? Call Jay's Air on (02) 9820 4500 and we'll find what's chewing the power. A $250 service often pays for itself in one summer. Have your recent power bill and the unit's brand and model handy if you can. We service every brand across Sydney, Monday to Friday 7am to 5pm, Saturdays by arrangement.
FAQs
Air Conditioner High Power Bills - Common Questions
An air conditioner using too much power is almost always working harder for the same result. A struggling unit runs longer, and run time is what you pay for. Usual causes are a packed filter, a dirty coil, low gas, or an old R22 system past its best.
Yes, more than people think. A choked filter restricts airflow, so the system runs longer to shift the same air. Washing the filters every couple of months is the cheapest power saving going.
Usually, because it cools a bigger area. But you can cut that right back by zoning. Cool the rooms you’re actually in instead of the whole house and you’re paying for half the space, not all of it.
Depends on age and the fault. If it’s under about 10 years, repair it. If it’s 15 plus on old R22 gas and the running cost is climbing, a new inverter often pays for itself. We give you the honest call.
Once a year for a home system, more if it’s flogged hard or running a business. A $250 service keeps the coils clean and the gas right, and it often pays for itself in one summer of lower bills.
Yes. When it’s low on gas it runs longer to hit the same temperature, so it uses more power and strains the compressor. And if it’s low, it’s leaked, so a proper fix means finding the leak, not just topping it up.
Generally yes. An inverter ramps up and down instead of slamming on and off like the old fixed-speed gear, so it wastes less. A modern inverter will run cheaper than a 15 year old system doing the same job.
A service call to find the cause is $250 plus GST. A chemical coil clean is $200 to $300, a gas top-up from $200 to $350. We quote any repair before we start, and most are sorted the same visit.
Jay’s Air. Family run since 1991, our own blokes not subbies, fixed pricing and no surprises. Licensed (NSW 273312C), ARCtick certified (AU13058), 4.8 stars from 280+ reviews. Give us a bell on (02) 9820 4500.