Select the conditions that increase building pressure. You may choose more than one.
A) make-up air blowers
B) infiltration
C) exhaust blowers
D) vented combustion appliances
E) exfiltration
Question 2
Residential heating systems typically range from:
A) 75,000 BTUs to 125,000 BTUs. B) 75,000 BTUs to 200,000 BTUs.
C) 50,000 BTUs to 150,000 BTUs. D) 100,000 BTUs to 120,000 BTUs.