The former: indicates that your house needs VENTILATION the latter is DANGEROUS and requires immediate attention!!! (The latter is due to OVERPRODUCTION ...your hot water heater and UNDERVENTILATION! ACT NOW! Hope this is helpful\ Dr Z
Answered 9/16/2017
547 views
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question