
Controlling humidity is a good idea, however this wont kill bed bugs. bed bugss
dont drink they get there fluids through humidity. Lower levels reduce
growth of bed bugs but dosent kill the little critters. Wrapping the mattres
and pillows helps but the real problem is in the sheets and pillow casings
so wash them every other day. 130 / 140 degrees F kills bed bugs but most hot
water heaters are not set that high due to scolding, You might have better
luck in the dryer on a high setting. Consult a good contractor that
will work with you on your ventilation sytsem. Use good filters and try to
get a fresh air intake on the system. As a last resort a modest portable
Hepa filter can be used in that room to reduce dust.
It's possible to kill bed bugs effectively just with
the low humidity you get in the winter with heating a house, and by
avoiding humidifying the house otherwise with house plants, plumbing
leaks and gas range.
Below 40-50% humidity, bed bugs in their active stage are
killed, but the inactive ones aren't. Below 15-20% humidity, bed bugs
in the inactive stage are killed. So if you can get the humidity that low
during the winter by heating the house, maybe you can kill the inactive
bed bugs and they won't colonize the house much during the summer. But
humidity that low may be uncomfortable and increase incidence of
respiratory infections.
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