
Why tap water is the wrong thing to clean solar panels with
It is not the dirt that gets left behind, it is what is dissolved in the water you washed it off with.
Straight answers to the questions I get asked on the job, for homeowners and landlords around Nelson, Richmond, Motueka and Māpua.

It is not the dirt that gets left behind, it is what is dissolved in the water you washed it off with.

A short autumn list that prevents the expensive problems. Most of it takes an afternoon.

Yes, but be wary of anyone quoting you a fixed percentage. Here is what really builds up on panels and why rain does not deal with it.

Water blasting looks satisfying and often takes years off your roof. Here is why treating moss is usually the better call.

Once or twice a year for most Tasman homes, and which one depends almost entirely on what is growing above your roofline.