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Home Maintenance

Most expensive home repairs start as small, cheap neglect. For heating and cooling that means filters, clear drains, clean coils and clear space around outdoor equipment, on a schedule. Knowing what each part does also tells you which jobs are safe to do yourself and which ones call for a licensed technician.

1 guide on Home Maintenance.

Reference Guide · 22 min read

3D HVAC Troubleshooting

A complete residential split system, furnace, coil, ducts, refrigerant loop, condenser, modeled in 3D and wired to a fault ontology. Click parts to learn them; pick symptoms to diagnose them. 39 components, 22 symptoms, 35 faults across five system paths, real costs.

HVACAir ConditioningFurnaceTroubleshooting3D InteractiveHome MaintenanceFault Diagnosis

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3D InteractiveAir ConditioningFault DiagnosisFurnaceHVACTroubleshooting
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