All aspects of International Mechanical Code, International Energy Conservation Code and International Fuel Gas Code.
I now troubleshoot existing H&AC installations and design H&AC systems and oversee their installations. I have 23 years experience as a H&AC contractor, and I've worked with the tools as a plumber-pipefitter. I'm certified by ICC as a Commercial Mechanical Inspector.
ASHRAE, ICC, NSPE.
B of ME, numerous factory schools (York, Honeywell, etc.) and Code seminars.
Patrick: You caught me away from home, just returned last night. You know, there's a possibility of burning your home down here. You really should bring in a licensed plumbing contractor to help
Frank: Was the HVAC company's name "Goldberg" (as in Rube)? I assume that's an upflow furnace, and that the duct shown is the return. If so, the return is restricted; check your IOM, there should be
Although I began as a plumber in 1958, I do very little plumbing installation or design today. A pan is required where the leaking water "will cause damage to the structure or surrounding property"
James: 1/2" is only good for 89,000 BTU/Hour at 40 feet. If the dryer and range are less than that, you should be OK. If not, you'll need 5/8" (155 MBH) or 3/4" (220 MBH) incoming to the tee. 2009 IFGC
Janet: Exhaust discharges must not cause a nuisance. The lint in this discharge is combustible, presenting a serious fire hazard. The dryer exhaust(s) must terminate at least 10 feet from property lines