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Cooling By Design

Updated 2026-08-05 · 2,764 reviewed · 342 listed · Scored from 64 Google reviews · How we rank ›

5.0(64) 89 composite score See reviews on Google ✓ Google-verified
New AC InstallationDucted Air ConditioningCommercial & Industrial HVACAir Conditioning ContractorAir Conditioning System SupplierAir Conditioning Store
Cooling By Design
Services
New AC Installation, Ducted Air Conditioning, Commercial & Industrial HVAC
Reviews
64

What recent reviews say

Installation jobs consistently complete on time and to high standard. Team led by Lei is responsive, friendly, and willing to fit jobs in at short notice. Customers value honest pricing, neat work, and clear communication from initial inquiry through handover. Technicians explain systems thoroughly and handle emergency repairs with professionalism even during busy periods.

Praised for
  • professional and knowledgeable team
  • fast, efficient installation
  • competitive pricing
  • responsive and flexible
  • clean workmanship and attention to detail
punctualfair-pricingskilled-installersclean-workmanshipresponsive-communicationknowledgeable-adviceprofessional-techniciansquick-turnaround
Best for: homeowners and small businesses needing multi-unit installation at fair price with minimal disruption

Strengths

  • led by Lei with long customer relationships
  • handles engineering assessments for strata approval
  • installs multiple units in one day
  • transparent pricing undercuts retail alternatives

Worth knowing

  • Lei leads the team and is named repeatedly by long-term customers
  • completed two 2.5kW Daikin units in half a day
  • installed four Daikin units in a single job for another customer
  • offers engineering assessment and documentation for strata approval
  • starts early morning for commercial installations to avoid business disruption

What reviews say by service

New AC Installation
consistently praised for speed, neatness, and fair pricing on multi-unit jobs
Split System Air Conditioning
customers report reliable installation and efficient systems at affordable rates
Ducted Air Conditioning
website lists ducted refrigerated and evaporative options; reviews do not specify ducted sentiment separately

How it compares

  • Rated 5 against a 4.67 average across the 261 new ac installation businesses listed here.
  • Has more Google reviews than 76% of the businesses in this directory.

How we scored this

Ranking Method
Star rating 93
Review volume 79
Review recency 100
Review sentiment 81
Profile completeness 100
Verification 30

Rating breakdown

5
61
4
3
3
0
2
0
1
0

Common questions

How long does a typical split system installation take?
A review notes two 2.5kW Daikin units were completed in half a day.
Do you handle strata approvals for apartments?
Yes. Their HVAC engineer prepares engineering assessments and documentation required for Strata approval.
Can you install units during business hours without disruption?
Yes. A shop owner noted the team started early in the morning so the business could open without delay.
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Last updated 2026-08-05