# Air diffuser (anemostat) Heatpex ARIAARIA 125 — supply diffuser 125 mm

**URL:** https://aio.lv/en/product--heatpex-520021001--11833619
**Data updated:** 2026-03-09 14:45 (EET)
**Category:** Ventilation Filters
**Manufacturer:** Heatpex
**Manufacturer code:** 520021001
**EAN:** 5908226240154
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--heatpex-520021001--11833619

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Heatpex ARIAARIA 125 is a supply air anemostat (air diffuser) with a 125 mm connection intended for HVAC ventilation systems. It provides controlled distribution of incoming air in residential or commercial premises, compatible with 125 mm ductwork. Suitable for mounting in ceilings or walls to direct and regulate airflow in ventilation and air‑conditioning installations.

## Long description

Heatpex ARIAARIA 125 is a supply air diffuser (anemostat) designed for ventilation and air-conditioning systems with 125 mm duct connections. The device is intended for mounting in ceilings or walls where it provides controlled distribution and direction of fresh or conditioned air. Its compact diameter matches standard 125 mm circular ducts, enabling integration into residential, commercial, or light-industrial HVAC installations while maintaining a low visual profile.
Advantages
The ARIAARIA 125 diffuser offers stable and even airflow distribution with adjustable outlet direction, helping to minimise drafts and ensure targeted ventilation of occupied zones. Its standard connection diameter simplifies installation into existing 125 mm ductwork and reduces the need for adapters. Constructed of materials suited for indoor ventilation use, the diffuser is easy to install and maintain, allowing access for cleaning without specialised tools.
Suitable for
Supply air distribution in residential ventilation systems
Ceiling or wall installation in offices and commercial premises
Integration with 125 mm circular duct networks in HVAC systems
Rooms requiring adjustable air direction and controlled airflow
Key specifications
Connection diameter: 125 mm compatible with circular ducts
Mounting options: ceiling or wall
Function: supply air diffuser with adjustable outlet direction
Material: indoor-grade ventilation material suitable for duct airflows
Application: ventilation and air-conditioning systems for residential and commercial spaces
How to use
Install the Heatpex ARIAARIA 125 diffuser into a prepared 125 mm circular duct opening in a ceiling or wall. Secure the diffuser according to mounting provisions and connect to the supply air ductwork ensuring an airtight fit. Adjust the diffuser outlet direction to direct airflow toward the intended zone and set the opening degree as needed to regulate airflow volume. Periodically access the diffuser for visual inspection and clean surfaces of accumulated dust with a soft cloth or vacuum using a brush attachment.
Usage recommendations
For optimal performance, verify compatibility with the building’s 125 mm ductwork and ensure the diffuser is installed downstream of any filters or silencing devices. Regular inspection and cleaning maintain airflow efficiency and indoor air quality. When adjusting airflow direction or volume, make small incremental changes to balance comfort and ventilation requirements across the space.

## FAQ

### How much does the Anemostat Heatpex ARIAARIA 125 cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 36 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Heatpex products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Heatpex service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11833619/67234092_large.webp