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Choosing the best MVHR System

Choosing the best Mechanical Heat Recovery Ventilation System

As independent MVHR installers (Mechanical Ventilation with Heat Recovery), we are not contracted to any specific manufacturer or model. We are committed to sourcing the most up to date, energy efficient heat recovery ventilation system currently available on the market, one that is SAP Appendix Q listed and Energy Saving Trust best practice compliant. 

The MVHR unit

We recommend installing MVHR units with in-built cross counter-flow heat exchangers. The heat exchange efficiencies are much higher (up to 90%) and the operating costs are much lower (0.4 W/l/s) compared to that of cross-flow or rotary wheel heat exchangers. 

A cross counter-flow heat exchanger transfers heat from one air-stream to another. At its core is a stack of plastic plates, within which are a series of airflow channels. These channels are aligned precisely to ensure that heat from the extracted warm is transferred to the cooler incoming supply air. Unlike a rotary heat exchanger, a cross counter-flow heat exchanger does not exchange humidity and there is no risk of mixing the air-streams. It is typically used in buildings where hygienic standards require that both air streams are kept completely separate from one another.

This technology is designed to deal with large volumes of warm moist air, thus enabling us to position extract air valves directly over shower enclosures. By extracting steam at its most intense point we can dramatically reduce condensation levels whilst recover the highest possible temperature from the warm air before extraction to the outside.

Why Choose Atlantic Air

All our systems are designed and installed in-house by our team of expert engineers. We will undertake a walk-through survey of your home prior to installation. This will enable us to identify any deviations to plan drawings and adjust our design to facilitate them. This process also allows us to make note of the likely positioning of furniture e.g. beds, sofas, dining tables etc. so that we can position supply and extract air valves accordingly. 

Warranty

All of our MVHR units have a full 5 year manufactures warranty on parts and a full 1 year manufactures warranty on labour. All ductwork installations undertaken by Atlantic Air have a full 5 year warranty on parts and labour. 

Maintenance & After Sales Care

Customer details (e.g. unit type, filter type and filter replacement date) will be added to the Atlantic Air filter cleaning and replacement database. A notification e-mail or text will be sent to the homeowner/ occupier them to clean filters after 6 months of use. A further email or text notification will be sent to the client reminding them to replace filters after 12 months of use. Replacement filters can be purchased directly from us or the MVHR unit manufacturer. 

Heat Recovery 
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