Short answer: Modern heat pumps are generally designed to run quietly, but the final noise impact depends on the unit, location, nearby windows, boundaries, airflow and how the installation is planned.

Modern outdoor units are designed to run quietly, but the location still matters.

A survey looks at airflow, walls, boundaries, nearby windows, bedrooms and neighbouring properties before deciding where the unit should go.

The aim is a practical position that works for the home and avoids promising silence from a web page.

Ready to check your own home? Start with a design consultation so the next step is based on the property, not a generic online assumption.