# Heat recovery unit SpiroFlex VENT CLEAR HD3 HR Comfort Plus — horizontal, 350 m3/h

**URL:** https://aio.lv/en/product--spiroflex-sx-rhd3hrcp--12030865
**Data updated:** 2026-03-12 16:39 (EET)
**Category:** Air purifiers
**Manufacturer:** SpiroFlex
**Manufacturer code:** SX-RHD3HRCP
**EAN:** 5903661102173
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Horizontal heat recovery ventilation unit SpiroFlex VENT CLEAR HD3 HR Comfort Plus with airflow capacity of 350 m3/h. Designed for mechanical supply and exhaust ventilation with heat recovery to improve indoor air quality and reduce energy loss. Suitable for residential or light commercial spaces where balanced ventilation and efficient heat exchange are required. Includes standard connections for ductwork installation.

## Long description

The SpiroFlex VENT CLEAR HD3 HR Comfort Plus is a horizontal heat recovery ventilation unit designed for balanced supply and exhaust airflow in residential and light commercial spaces. With a nominal airflow capacity of 350 m3/h, the unit provides continuous ventilation while recovering heat from exhaust air to reduce energy losses. The compact horizontal casing and standard duct connections support integration into ducted systems where wall or ceiling mounting is required.
Advantages
The unit combines efficient sensible heat recovery with low operating noise and a compact footprint suitable for concealed installation. Designed for continuous operation, it helps maintain indoor air quality by removing stale air and supplying filtered fresh air while minimizing heat loss. The horizontal arrangement and standardised connections simplify installation and service access.
Suitable for
Residential apartments and houses requiring balanced ventilation with heat recovery
Small offices and light commercial premises
Renovation projects where horizontal compact units fit into existing duct runs or ceilings
Spaces where low noise levels and energy-efficient ventilation are important
Key specifications
Airflow capacity: 350 m3/h (nominal)
Configuration: horizontal casing for ducted mounting
Function: mechanical supply and exhaust ventilation with heat recovery
Connection: standard circular duct connections for easy integration
Noise: designed for low operational noise suitable for living and working spaces
Maintenance access: designed for filter and core access for routine cleaning or replacement
How to use
Install the unit in a horizontal orientation within the ventilation ductwork following manufacturer installation guidelines and local building codes. Connect supply and exhaust ducts to the corresponding ports and provide appropriate electrical supply and control wiring. Fit compatible filters and commission the unit by checking airflow balance and ventilation performance. Periodically inspect filters and the heat recovery core, and follow service intervals to ensure continued thermal efficiency and air quality.
Usage recommendations
For optimal performance, use appropriately sized ducts and keep filters clean; verify that the installation provides balanced supply and exhaust flows. In colder climates, ensure condensate drainage and insulation of ducts where required. Consult local regulations and a qualified HVAC installer for setup and commissioning to maintain efficiency and indoor air quality.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. 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 SpiroFlex 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 SpiroFlex 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/12030865/67518439_large.webp