Property guides

Buying, selling, renting, mortgages, law and tax, written so you can decide when you finish reading

Bathroom ventilation and the drain smell that comes back

Bathroom ventilation and the drain smell that comes back

A drain smell means the water sealing the trap has gone, or there was never a trap. And a fan that will not extract is usually short of replacement air rather than short of power. Here are the one-litre test, the tissue test, and the order to work through.

Light colour temperature and sleep in a Thai home

Light colour temperature and sleep in a Thai home

Most Thai homes run daylight bulbs everywhere, bedside included, which is the light that delays melatonin most. Here is which colour temperature belongs in which room, three changes you can make tonight, and the other numbers on the box worth reading.

Which appliance uses the most electricity, and how to measure it yourself

Which appliance uses the most electricity, and how to measure it yourself

The bill charges watts multiplied by time, not watts alone, so a 2000 watt kettle costs far less than a 1200 watt air conditioner. Here is the one formula worth knowing, how to find your real price per unit, how to use a plug-in meter, and how to measure a hard-wired air conditioner with the utility meter.

Mounting Solar on Each Thai Roof Type Without Causing Leaks

Mounting Solar on Each Thai Roof Type Without Causing Leaks

Solar that makes a house leak does not leak because of the panels but because of how they were fixed. Tiled roofs can use hooks with no penetration at all, while corrugated roofs must be fixed at the crest, since all the water runs in the valley.