Ontario13% HSTUpdated 2026
HVAC Technician Taxes Ontario HST 13% & T2125
Ontario HVAC techs: seasonal revenue spikes and the $30,000 single-quarter HST trap, equipment ITCs, the Quick Method, and T2125 deductions for diagnostic gear and your van.
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NorthOS tracks your GST/HST threshold and flags when you're approaching $30,000, so you're never caught off-guard.
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