Your Free Beam Heat Recovery Ventilation Mini E-Book Thank you for your interest in Beam Vacuum & Ventilation. Whether you are building, renovating or have an existing home, we have created easy-to-read Mini E-Book on our range of Beam Heat Recovery Ventilation Systems. Download Mini E-Book If you would like further information or a free quote, fill in our online contact form or call our team on +44(0) 2879632424 and we will be happy to help.