Residential gas-fired equipment is changing and so are the related codes. As efficiencies and energy factors creep up — whether organically or because of regulation — the installation processes and ...

Gas appliances are divided into four venting categories based on vent operating pressure and whether they are condensing or non-condensing. Category I is negative pressure, non-condensing. Category II ...

Q. Tim, I need you to weigh in on a remodeling conundrum. Two plumbers and one handyman say that two plumbing vent pipes can’t be relocated to an exterior wall. I took the drywall off the back of a ...