One of the most common concerns from Perth homeowners is simple: will a heat pump wake the neighbours? The good news is that modern systems are quieter than ever, and with the right setup, they can operate almost unnoticed.
Understanding Heat Pump Noise Levels
Noise from heat pumps is measured in decibels (dB). To put this into perspective:
- 30 dB – Quiet library
- 40 dB – Soft background noise
- 50 dB – Moderate conversation
Most standard heat pumps operate between 45–50 dB, which is comparable to a quiet conversation. However, newer premium systems are pushing noise levels even lower.
Sanden vs Standard Units
Leading brands like :contentReference[oaicite:0]{index=0} have set a new benchmark in quiet performance. With operating noise levels around 37 dB, Sanden systems are often described as “whisper-quiet”.
This makes them ideal for:
- Homes with narrow side passages
- Installations close to bedroom windows
- Properties in dense suburban areas
In comparison, standard units at 45–50 dB are still acceptable but may require more careful placement.
Reducing Noise with Smart Installation
Even the quietest system can become disruptive if installed incorrectly. A few simple measures can significantly reduce noise impact:
- Vibration pads: Reduce structural noise transfer into walls and flooring
- Strategic placement: Position the unit away from bedrooms and neighbours
- Clear airflow space: Prevents strain on the fan, which can increase noise
Professional installation plays a major role in achieving a low-noise outcome.
Local Council Noise Regulations
In Western Australia, local councils have guidelines around acceptable residential noise levels, particularly during nighttime hours. While most heat pumps fall within acceptable limits, poor placement can still lead to complaints.
For more information, you can refer to the
WA Government noise regulations.
Choosing a Quiet, Compliant System
When selecting a heat pump, it’s important to balance performance, efficiency, and noise levels. Opting for a quieter system not only improves comfort but also ensures compliance with local regulations.
If you’re planning an installation, our heat pump installation in Perth service can help you choose and position a system for minimal noise impact.
With advancements in technology, today’s heat pumps are leading a quiet revolution — delivering powerful performance without disturbing your home or your neighbours.

