Nigel has started to weave blue tubes back and forth within the floor joists and timber walls. These are the pipes for our mechanical ventilation and heat recovery system. Some of the tubes extract hot damp air from the kitchen and bathrooms, and this hot air passed though a heat exchanger, so that the cold fresh air being brought into the house is warmed up. The system should mean we recover about 80% of the heat, and have a house that doesn't feel like an air-tight box, even if it is one!
These are distribution manifolds above the bedroom ceiling; there are more of them in the laundry room. The long white thing is a rigid square section, to go from the manifolds back to the heat exchange unit, which will be under the stairs, venting out through the back wall.
And this is where the tubes penetrate the wall into the kitchen.
Meanwhile, the upper level of cedar has been put up, under the temporary rain-proof awning, and the lower level brise soleil metalwork is in place.
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