• Residential ERV Layout and Design – Large

    $1,089.00

    This is suitable for houses that are 250-500m2 and up to two stories.

    If your house is extremely unusual or complex – we may need to charge additional fees for extra time required. This will be discussed upfront before any work is undertaken.  It is up to LAROS' discretion to determine if your design fits our sizing criteria.


  • Residential ERV Layout and Design – Medium

    $742.50

    This product is suited for houses that are 0-250m2 and single story.

    If your house is extremely unusual or complex – we may need to charge additional fees for extra time required. This will be discussed upfront before any work is undertaken.  It is up to LAROS' discretion to determine if your design fits our sizing criteria.