Diamond Comfort Systems

About

Diamond Comfort Systems has been proudly serving the Sydney, New South Wales area since 1989. Our team of licensed technicians provides expert heating, cooling, and ventilation services for both residential and commercial properties. We are committed to delivering top-quality workmanship, transparent pricing, and exceptional customer service on every job.

Services

• Energy Audits
  AUD 230–531 · ESTIMATE
• Indoor Air Quality
  AUD 130–467 · ESTIMATE
• Ductless Mini-Split
  AUD 253–576 · ESTIMATE
• Refrigeration
  AUD 385–488 · ESTIMATE
• Thermostat Installation
  AUD 124–338 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-98746-AU Verified
• Insurance: Not verified
• Background check: Passed
• Employees: 26-50
• Service radius: 72 km

Reviews (9)

• ★★★★★
  Outstanding service

  Diamond Comfort Systems did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.

• ★☆☆☆☆
  Very professional

  Very happy with the service from Diamond Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★☆☆
  Five stars

  Called Diamond Comfort Systems for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.

• ★★★☆☆
  Outstanding service

  Called Diamond Comfort Systems for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.

• ★★★☆☆
  Impressed

  Had Diamond Comfort Systems come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.

• ★★★☆☆
  Highly recommend

  Diamond Comfort Systems did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.

• ★★★★★
  Very professional

  Very happy with the service from Diamond Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★★★
  Very professional

  Very happy with the service from Diamond Comfort Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★☆☆
  Friendly and efficient

  Had Diamond Comfort Systems come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.