Ahhhhh HRV, I am sure I said at the start of this thread they are a pain in the a** to deal with. We have had nothing but problems with them from day one, I think every single manager including the gm has ben to my house(they all say oh your the one with the big fish tank). I also brought a summer kit which they came around and unistalled with a refund check 3 weeks ago. In addition to that they are also coming back to repair damage to the roof and to replace a ranchslider the drilled some holes in.
But alas this is New Zealand and we arent spoiled for choice here just bad and slow service from most companies, the price you pay for living here i guess