Frequently Asked Questions...

Please see below a selection of frequently asked questions relating to Part F. Click on each question to reveal the answer.

Click on each question to reveal the answer:

Q. Do I need trickle vents with Mechanical Ventilation with Heat Recovery (MVHR)?

Q. Do I need trickle vents with continuous extract?

Q. I am building to the Code for Sustainable Homes, what is the most appropriate ventilation system to use?

Q. Which System consumes the least amount of energy?

Q. Does ductwork installation affect compliance or performance?

Q. Can I use humidity sensors, PIR's or other automated controls on fans?

Q. Can I fit a night vent keep or use a night vent position on the window to provide background ventilation, instead of a trickle ventilator, because I know the size of the opening provided by the old window?

Q. Why is background ventilator performance still in mm²?

Q. Background ventilation - will glazed-in vents comply?

Q. Can I carry on using slot vents to comply with background ventilation provision requirements?

Q. Do I have to use certain makes or models of whole house ventilation systems with certain models of background ventilators? I have been told this is essential.

Q. I notice there are now a number of ventilation systems outlined in the document, where do I go to find guidance on these?

Q. Can I carry on using my current trickle vents?

Q. Will trickle ventilators need to be larger to comply with the new Regulation?

Q. Will it still be possible to ventilate my dwellings using background ventilators and intermittent extract fans?

Q. Can you please explain why it will prove difficult to ventilate single façade flats by the traditional ventilation method (System 1).