# Ventilation unit Zehnder ComfoAir Q450 PL R VV ST by Zehnder

**URL:** https://aio.lv/en/product--zehnder-au471502074--11833474
**Data updated:** 2026-03-09 14:45 (EET)
**Category:** Ventilation Filters
**Manufacturer:** Zehnder
**Manufacturer code:** AU471502074
**EAN:** 8717573874885
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4 245.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 3 508.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--zehnder-au471502074--11833474

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Zehnder ComfoAir Q450 PL R VV ST is a mechanical ventilation unit designed for controlled residential or light-commercial ventilation. The unit provides balanced supply and exhaust air with heat recovery and includes features indicated by the model code (Q450 series) for higher airflow capacity. Suitable for continuous indoor air renewal, humidity control and improved indoor air quality in houses and flats.

## Long description

Zehnder ComfoAir Q450 PL R VV ST is a mechanical ventilation unit designed for controlled ventilation in residential and light-commercial buildings. The unit delivers balanced supply and exhaust airflow with counter-flow heat recovery, enabling continuous indoor air renewal while reducing energy losses. The Q450 series offers higher airflow capacity suited to larger apartments or houses that require constant ventilation and humidity control.
Advantages
The unit integrates heat recovery to transfer warmth from extract air to fresh supply air, reducing heating demand while maintaining balanced ventilation. Its compact casing and service-friendly layout allow for installation in technical rooms or utility cupboards with straightforward access for maintenance. Variable airflow capability and built-in filters support stable indoor air quality and particle removal. Designed for continuous operation, the unit maintains consistent ventilation rates and contributes to comfortable indoor humidity and odor control.
Suitable for
Whole-house ventilation in single-family homes and multi-storey apartments
Ventilation for light-commercial spaces such as small offices or clinics
Projects requiring heat recovery to reduce energy consumption
Retrofit installations where compact dimensions and service access matter
Key specifications
Balanced supply and exhaust airflow with heat recovery
High airflow capacity suitable for larger residential spaces
Compact cabinet for installation in technical rooms or cupboards
Integrated particle filters on supply and extract air streams
Variable airflow control and stable continuous operation
How to use
Install the ventilation unit in a dedicated technical space with sufficient clearance for duct connections and maintenance access. Connect supply and extract ducts to the corresponding spigots, and ensure condensation drainage if required by the installation. Configure airflow settings and controls according to the building's ventilation design and occupancy patterns. Replace filters at recommended intervals and check fans, seals, and heat exchanger condition during regular service routines to maintain performance and hygiene.
Usage recommendations
For efficient operation, set ventilation rates based on room usage and local building regulations, use recommended filter types and change them regularly, and schedule periodic maintenance checks. Ensure ducts are insulated where needed to prevent thermal losses and condensation.

## FAQ

### How much does the Zehnder ComfoAir Q450 PL R VV ST ventilation unit cost, and is it available for purchase?

The price is 4,245.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 15.07.2026 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, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Zehnder ComfoAir Q450 PL R VV ST ventilation unit be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Zehnder 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 Zehnder 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/11833474/67233977_large.webp