The knowledge base
This is written for the trade. Every page gives you the answer in the first sixty words, tells you where each figure came from, and shows when it was last checked. If you're a homeowner, you're welcome to read it, but for your own job you need a licensed contractor, not us.
Where to start
12 sections. Pick the one your question lives in.
Rebates and VEUWhat the scheme pays, what it now costs your customer, and where the risk actually sits when a claim fails.11 pagesLicences and standardsWhich licence covers what, who regulates it now, and the beliefs that get contractors into trouble.4 pagesWhat earns a certificateWhich activity your job sits under, whether the product qualifies, and how many times one address is allowed to claim.10 pagesAccreditation and auditsWhether you need accreditation, what the paperwork has to contain, and what happens when the regulator comes looking.18 pagesGas safety and COHow the tests actually run, what the pass mark really is, and where your obligation ends when the customer says no.5 pagesSystemsHow each system works, where it fails, and how government policy is changing the Victorian market.6 pagesInstall and commissioningThe figures you need on site, from duct bend radii to relief air, each one traced back to its source.5 pagesFault findingRead the code, then go and find the cause. Most of these come back to airflow or water, not to the board.7 pagesCalculators and tablesEvery calculation shows its formula, its source and what it cannot tell you.2 pagesReferenceConversions and definitions, including the VEU jargon nobody explains.2 pagesBrands and suppliersWho owns which brand, where it's registered as being made, what the warranty really says, and who stocks it here.12 pagesRefrigerantsWhat's actually banned, what's still legal, and what the registrations say about where this is heading.10 pages
Turnover impresses your mates. Profit pays your mortgage.
Kevin James, Chapter 6Can't find what you're after?
Tell Kevin what you're trying to work out. If enough people ask the same thing, it becomes the next page.