An AC in an apartment is technically not a problem — but there is some paperwork involved. In most cases the Homeowners' Association (VvE/HOA) must give approval, and sometimes a municipal permit is also required. This guide explains exactly how it works, what to expect and how to make a convincing application.
Do I need HOA approval?
Almost always. The outdoor unit of an AC attaches to the shared facade. Anything that changes the exterior of the building falls under the HOA mandate. For the application you typically need:
- A written request with motivation
- Drawing showing the outdoor unit placement
- Datasheet of the unit (capacity, noise, dimensions)
- Acoustic report (often on request)
- Confirmation that you bear all costs
Tip: we prepare a complete HOA dossier free of charge for our customers. The application usually goes smoothly with it.
When does an HOA reject an application?
The most common reasons for rejection:
- Aesthetic: the outdoor unit would affect the building's appearance.
- Noise: complaints about humming or buzzing.
- Placement: the unit would disturb others (on a balcony, in a courtyard).
- Precedent: the HOA wants to prevent all residents installing units.
With good arguments and thoughtful placement, these objections can almost always be resolved.
Noise standards: what is allowed?
The Netherlands has general noise standards set out in the Activities Decree. For residential settings a limit of 40 dB(A) during the day and 30 dB(A) at night on the facade of a neighbouring home is common.
| Location | Daytime limit | Night limit |
|---|---|---|
| Facade of neighbouring home | 40 dB(A) | 30 dB(A) |
| Property boundary | 50 dB(A) | 40 dB(A) |
Modern premium ACs reach 46–50 dB at 1 metre. At 3–5 metres (the minimum distance to the neighbouring facade) that is already well below 40 dB. Noise nuisance is therefore rarely a real problem — provided the outdoor unit is placed correctly.
Do I need a building permit?
Since 1 January 2024, installing an outdoor unit falls under permit-free construction if you meet several conditions:
- The outdoor unit is on the rear or side facade, not the front.
- It is not visible from public space (street, communal area).
- The outdoor unit is < 1 m² in size.
- It produces < 70 dB(A).
In protected cityscapes (e.g. the Amsterdam canal belt, Delft old town) stricter rules often apply and a permit is required. Unsure? We check this during the quote.
Placement options for the outdoor unit
1. On the facade
The most common option. The unit is fixed to a wall bracket. Allow sufficient distance (at least 3 metres) from windows of neighbouring apartments.
2. On the balcony
Possible, provided you meet the noise standards and the unit doesn't extend over the balustrade. Place it on vibration dampers and shield the side facing neighbours.
3. On the roof
For top-floor apartments the outdoor unit can sit on the flat roof. Requires HOA approval for use of the roof membrane and possibly scaffolding or a crane.
4. In the courtyard or patio
Only possible for ground-floor apartments with their own garden. Place the unit away from bedroom windows and on vibration dampers.
How to make a strong HOA application
Three keys to success:
- Be inclusive: propose that the HOA apply the same conditions to all owners. That prevents arbitrariness.
- Provide facts, not opinions: submit noise measurements, photos of the intended placement and the HOA regulations.
- Offer mitigation: e.g. a vibration damper, anti-corrosion layer or enclosing cover.
What if the HOA refuses?
First: talk. Ask for a specific reason and look for a solution together. If that doesn't help, you can:
- Submit a written request for the next general meeting.
- Go to the subdistrict court — which can issue a substitute authorisation if the refusal is unreasonable.
- Engage the HOA Disputes Committee for mediation.
Our experience with HOA processes
At GetAirco we have extensive experience with HOA applications in Rotterdam, Amsterdam, The Hague and other large cities. We provide as standard:
- Datasheets of the selected unit
- Acoustic calculation based on placement
- Scale drawing with dimensions and mounting
- Well-reasoned application letter to the HOA
Conclusion
An AC in an apartment is usually quite feasible — provided you make the right preparations. With HOA approval, thoughtful placement and good noise reduction, most objections can be overcome. We're happy to guide you through the entire process.
Want to know what's possible in your situation? Request a free consultation — we come over for measurement and give you an immediate verdict on HOA feasibility.