Chimney

[user 6228]

Bee vacuum from inside the house, use lengths of push together 32 mm waste pipe. Top cut at angle so that it will push through the comb. No ladder needed, It will cause casualties in the bees but not 100% that poison does.

 

[jenkinsbrynmair]

What are the thermal properties of a chimney then?

 

[REDWOOD]

What are the thermal properties of a chimney then?

Ambient or anthracite temperature