September 6, 20242 yr HI , I need a water efficiency calculation cert and mechanical extract fan test ? Any recommendations cheap and cheerful near Wigan please ?
September 6, 20242 yr do your own water calcs, free http://wrcpartgcalculator.co.uk/ fan test your air test guy will do at same time as blower door test.
September 6, 20242 yr Author Thanks , How much should I be paying I have been pricing up air test he said £20 plus vat per fan ? Not booked an air test yet still shopping around , probably fail as I have a very reluctant husband that cba going round checking /filling gaps (he is the builder )
September 6, 20242 yr Author The water calc link looks rather complicated , wouldn't know where to start
September 6, 20242 yr 1 minute ago, Willow said: The water calc link looks rather complicated , wouldn't know where to start get your husband to have a look, its pretty straighforward..
September 6, 20242 yr For the extract fans, if they are standalone the information is on the manufacturers data sheet. You don't need to test each fan or pay any money.
September 6, 20242 yr 2 hours ago, Willow said: How much should I be paying I have been pricing up air test he said £20 plus vat per fan ? We recently paid £250 for our air test in Kent, - got 0.2 on The Passive house scale and 0.3 on the Building regs scale.
September 10, 20242 yr Author Not sure what you mean by standalone extract fans they are fitted in the ceiling and turn on when the light switch comes on ?
Create an account or sign in to comment