#1
MaXim Air Conditioning and Mechanical Services
Read 229 reviewsReputation score: 99/100
Change service or location
2026 rankings NSW
28 Best HVAC Specialists
in Castle Hill
Compare the top 28 hvac specialists in Castle Hill, ranked by Google reviews and business profile details.
Collected 27 September 2026 · 3,315 reported Google reviews across 28 businesses
See the 28 listings ↓Top 28 HVAC Specialists in Castle Hill, NSW
1–28 of 28The shortlist
Based on records collected 27 September 2026, MaXim Air Conditioning and Mechanical Services (4.9 stars from 229 Google reviews), Network Air Conditioning (4.8 stars from 337 Google reviews) and Frost Air Conditioning Pty Ltd (4.7 stars from 1,114 Google reviews) lead LocalLocal's Castle Hill hvac specialists ranking.
The score describes the public review record. Read recent reviews and confirm the job with the business before booking.
#2
Network Air Conditioning
Read 337 reviewsReputation score: 98/100
#3
Frost Air Conditioning Pty Ltd
Read 1,114 reviewsReputation score: 97/100
#4
Dream Air Conditioning
Read 241 reviewsReputation score: 96/100
#5
Service Today Plumber Baulkham Hills
Read 295 reviewsReputation score: 95/100
#6
Service Today Plumber Castle Hill
Read 207 reviewsReputation score: 95/100
#7
JayCab Electrical and Air Conditioning
Read 182 reviewsReputation score: 94/100
#8
Just Chillin Air Conditioning
Read 137 reviewsReputation score: 89/100
#9
Airfrost Air Conditioning
Read 81 reviewsReputation score: 88/100
#10
Air Elec
Read 75 reviewsReputation score: 88/100
#11
On Call Air-Conditioning & Refrigeration
Read 74 reviewsReputation score: 84/100
#12
Insight Electrical - Electrician Castle Hill
Read 56 reviewsReputation score: 84/100
#13
Anytime Air Solutions
Read 29 reviewsReputation score: 81/100
#14
000 Air Conditioning Services
Read 28 reviewsReputation score: 78/100
#15
Home HVAC Services
Read 25 reviewsReputation score: 78/100
#16
Pelican Refrigeration and Air Conditioning Pty Ltd
Read 42 reviewsReputation score: 77/100
#17
Big Bear Refrigeration Air Conditioning
Read 16 reviewsReputation score: 76/100
#18
Service Heroes
Read 33 reviewsReputation score: 73/100
Unit 6/10 Salisbury Rd, Castle Hill New South Wales 2154
(02) 9170 9742#19
Wayelec Pty Ltd
Read 23 reviewsReputation score: 73/100
#20
Cold Rush Air Conditioning Pty Ltd
Read 13 reviewsReputation score: 72/100
#21
Active Refrigeration & Air Conditioning
Read 13 reviewsReputation score: 71/100
#22
Techone air-conditioning & refrigeration
Read 34 reviewsReputation score: 70/100
Castle Hill
0432 639 732#23
Brennan Air Conditioning Pty Ltd
Read 11 reviewsReputation score: 69/100
#24
ACTROL Castle Hill
Read 5 reviewsReputation score: 64/100
#25
Top Aircon
Read 3 reviewsReputation score: 62/100
2 Blackett Dr, Castle Hill New South Wales 2153
0402 962 182#26
Only Dan's - HVAC Specialist
Read 3 reviewsReputation score: 58/100
Castle Hill
0420 774 554#27
Powerchill Air Conditioning
Read 7 reviewsReputation score: 50/100
#28
Delta Airconditioning
Read 2 reviewsReputation score: 8/100
9/10 Gladstone Rd, Castle Hill New South Wales 2154
(02) 9634 7177Showing 28 of 28 businesses. This ranking covers our Castle Hill listings. This is not a complete census. How we rank them →
What the numbers say about hvac specialists in Castle Hill
LocalLocal's Castle Hill capture includes 28 hvac specialists with 3,315 reported Google reviews. The median rating is 4.9 stars, backed by a median of 33.5 reviews.
A high average means more when plenty of people have contributed. Open the Google review link on a listing to check recent feedback about work like yours. Contact the business to confirm it serves your address.
Read the scoring method →Before you choose.
Questions about hvac specialists in Castle Hill and the evidence behind this list.
Who leads LocalLocal's Castle Hill hvac specialists ranking?
Based on records collected 27 September 2026, the highest-scoring businesses are MaXim Air Conditioning and Mechanical Services (4.9 stars from 229 Google reviews); Network Air Conditioning (4.8 stars from 337 Google reviews); Frost Air Conditioning Pty Ltd (4.7 stars from 1,114 Google reviews). These positions describe our captured review record, not a guarantee about the work.
How are hvac specialists in Castle Hill ranked?
LocalLocal's score gives up to 50 points for rating quality, 30 for review volume and 20 for available profile details. Equal scores are ordered by star rating, then review count, then a stable business identifier. The method is published on our methodology page.
What does the review record look like for hvac specialists in Castle Hill?
The 28 hvac specialists captured for Castle Hill hold 3,315 reported Google reviews. The median rating is 4.9 stars and the median review count is 33.5. These figures describe our sample, not every local business.
What should I check before booking?
Confirm that the business serves your address and handles your type of work. Read recent Google reviews, ask about any relevant licences or registration, and get the scope and charges in writing.
How current are these details?
The listings were collected 27 September 2026. This is a dated snapshot, not a live Google feed. Confirm current hours, availability and pricing with the business.
Can a business update its listing?
Yes. Open the business profile and select Update details. Explain the correction and include a public source. Correction and removal requests are reviewed before the record changes.