Emergency air conditioning and heating technicians in Sydney
26 Sydney air conditioning and heating technicians that say they take emergency callouts, for heating failing in a cold snap, cooling failing in a heatwave, a unit leaking water, or a burning smell from a system.
Do this first
Before anyone arrives, and before you agree to a callout fee.
- 1Switch the system off at the wall or the isolator if it is leaking, making a grinding noise, or smells like burning.
- 2Check the obvious first: the thermostat batteries, the circuit breaker for the unit, and whether the filter is completely blocked. A blocked filter causes a large share of callouts.
- 3In a heatwave or a cold snap, look after people before equipment. Extreme heat is dangerous for the very young and the elderly — get somewhere cool and treat the repair as a separate problem.
- 4If a gas heater is involved and anyone has a headache or nausea, get everyone outside and ring 000. Carbon monoxide is not something to wait out.
- 5Photograph any water damage from a leaking indoor unit before you mop it up.
If anyone is in danger, ring 000. For a gas leak ring 132 771. For a fallen powerline, stay at least eight metres away and ring your electricity distributor — not a tradesperson.
26 of 160 air conditioning and heating technicians listed in Sydney, New South Wales state that they offer emergency or after-hours callouts. This is what each business publishes about itself and has not been independently verified — WhoToHire does not check response times or confirm that anyone is available at a given hour. The businesses are ordered by independent evidence: corroboration across sources, agreement between the listed phone number and the number on the business's own website, website reachability and review history. Nobody pays for a position. Before ringing, ask about the callout fee, the after-hours loading, and how long until someone is actually on site.
What “emergency” means on this page
These 26 businesses publish that they take emergency callouts. We have not verified that. Unlike the ABN, contact-accuracy and website checks — which we run ourselves and publish the results of either way — availability is a claim, and nobody has rung these numbers at 3am to test it. Expect to try more than one.
All 26 emergency air conditioning and heating technicians in Sydney
Ordered by evidence, then by closest match. How this works →
Narrow this list
Filters apply to the businesses on this page.
ACG Service
Roselands, NSW
92.5/1004.9from 495 reviews- Independently corroborated
- Website live
- Phone number matches
- Trading since 2004
Skycon Air Conditioning Installation, Repair & Servicing Sydney
Chipping Norton, NSW
90.1/1004.9from 353 reviews- Independently corroborated
- Website live
- Phone number matches
- Free quotes
- Offers a warranty
- Emergency callouts
Smartway Air Conditioning - Repair, Service & Installation
Sydney CBD, NSW
89.0/1005.0from 317 reviews- Website live
- Phone number matches
- Free quotes
- Emergency callouts
AB Sydney Air Conditioning
Kingsford, NSW
87.6/1005.0from 150 reviews- Independently corroborated
- Phone number matches
- Free quotes
- Offers a warranty
- Emergency callouts
Airconditioning-Online
Mount Kuring-gai, NSW
87.3/1004.6from 329 reviews- Independently corroborated
- Website live
- Phone number matches
- Trading since 2012
- Offers a warranty
- Emergency callouts
- 87.1/1004.9from 124 reviews
- Independently corroborated
- Website live
- Phone number matches
Breezy AC Air-Conditioning
Dee Why, NSW
85.7/1005.0from 91 reviews- Independently corroborated
- Phone number matches
- Free quotes
- Offers a warranty
- Emergency callouts
Cool Cats ACR Air Conditioning
Sutherland, NSW
85.4/1005.0from 63 reviews- Independently corroborated
- Website live
- Phone number matches
Jays Air Conditioning
Minto, NSW
86.5/1004.8from 282 reviews- Website live
- Phone number matches
- Trading since 1991
- Free quotes
- Fixed price
- Offers a warranty
- Emergency callouts
A Grade Air Conditioning - Expert Cleaning, Service, Repair & Installations
Sydney CBD, NSW
84.5/1005.0from 93 reviews- Website live
- Phone number matches
- Trading since 2014
- Free quotes
- Offers a warranty
- Emergency callouts
Avalanche Air Pty Ltd
Parramatta, NSW
82.7/1005.0from 35 reviews- Independently corroborated
- Website live
- Phone number matches
- Trading since 2016
- Free quotes
- Offers a warranty
- Emergency callouts
S&Z Airconditioning Services
Campbelltown, NSW
83.4/1004.9from 67 reviews- Independently corroborated
- Phone number matches
- ABN confirmed
- Free quotes
- Offers a warranty
- Emergency callouts
LAV HVAC Pty Ltd
Liverpool, NSW
80.6/1005.0from 22 reviews- Independently corroborated
- Website live
- Phone number matches
Shear Comfort Air Conditioning
Campbelltown, NSW
81.9/1004.9from 35 reviews- Independently corroborated
- Website live
- Phone number matches
- Trading since 1971
- Offers a warranty
- Emergency callouts
Standby Services
Sydney CBD, NSW
73.6/1005.0from 4 reviews- Independently corroborated
- Website live
- Phone number matches
- ABN confirmed
Concept Mechanical Services
Strathfield, NSW
71.4/1005.0from 2 reviews- Independently corroborated
- Website live
- Phone number matches
- Trading since 2010
Alliance Climate Control
Alexandria, NSW
72.6/1004.9from 2,607 reviews- Independently corroborated
- Website live
- Free quotes
- Fixed price
- Offers a warranty
- Emergency callouts
ICR Air Conditioning
Parramatta, NSW
71.4/1005.0from 2 reviews- Independently corroborated
- Website live
- Phone number matches
North Shore Air Conditioning
Manly, NSW
70.8/1004.5from 2 reviews- Independently corroborated
- Website live
- Phone number matches
- Free quotes
- Emergency callouts
Air Conditioning Guys Sydney
Roselands, NSW
68.7/1004.8from 526 reviews- Website live
- Trading since 2006
- Offers a warranty
- Emergency callouts
Air Care Solutions
Sydney CBD, NSW
65.8/1004.6from 147 reviews- Independently corroborated
- Website live
- Free quotes
- Emergency callouts
Auzair Air Conditioning and Refrigeration PTY LTD
Campbelltown, NSW
66.9/1005.0from 91 reviews- Independently corroborated
- Website live
- ABN confirmed
- Free quotes
- No callout fee
- Offers a warranty
- Emergency callouts
- 59.2/1004.7from 26 reviews
- Independently corroborated
- Website live
- Free quotes
- Offers a warranty
- Emergency callouts
Commercial Air Conditioning Pty Ltd
Sydney CBD, NSW
57.7/1005.0from 1 review- Independently corroborated
- Website live
- ABN confirmed
- Trading since 1993
Australian Hydronic Heating and Cooling
Sydney CBD, NSW
55.3/1004.5from 11 reviews- Independently corroborated
- Website live
- ABN confirmed
- Trading since 1998
- Free quotes
- Offers a warranty
- Emergency callouts
Ask these on the phone
Emergency work is where quote-on-arrival pricing causes the most disputes. Two minutes of questions before anyone is dispatched prevents nearly all of them.
- What is the callout fee and the after-hours rate?
- Do you carry common parts for this brand, or is it a diagnose-then-return job?
- What is your ARC licence number if refrigerant is involved?
- How long until someone is on site?
Common questions
- How many Sydney air conditioning and heating technicians offer emergency callouts?
- 26 of the 160 air conditioning and heating technicians listed in Sydney state that they take emergency or after-hours callouts. That is what the business publishes about itself — we have not independently verified availability, response times or that anyone will answer at 3am.
- What should I do before air conditioning and heating technician arrives?
- Switch the system off at the wall or the isolator if it is leaking, making a grinding noise, or smells like burning. Check the obvious first: the thermostat batteries, the circuit breaker for the unit, and whether the filter is completely blocked. A blocked filter causes a large share of callouts. In a heatwave or a cold snap, look after people before equipment. Extreme heat is dangerous for the very young and the elderly — get somewhere cool and treat the repair as a separate problem.
- What should I ask when I ring?
- What is the callout fee and the after-hours rate? Do you carry common parts for this brand, or is it a diagnose-then-return job? What is your ARC licence number if refrigerant is involved? Getting the callout fee and the after-hours loading agreed on the phone is the single most effective thing you can do to avoid a dispute afterwards.
- Does anyone pay to appear on this list?
- No. There is no paid placement, no sponsored listings and no advertising product anywhere on this site. The order is set by independent checks — corroboration across sources, contact accuracy, website reachability and review history.
Not actually an emergency?
If it can wait until business hours, it is worth waiting. Emergency callouts carry after-hours loadings, and the full Sydney list is 160 businesses rather than 26 — a much better field to choose from.
All heating & cooling in SydneyNobody on this page paid to be here
There is no advertising product, no sponsored slot and no way to buy a position. The order comes from the checks described on the method page, applied identically in every category and every location.