Lesson 1Cleanin registers, grilles, boots an grilles: removal, brushin, wipin, sanitizin options an fasteners reinstallationDis section detail safe cleanin of registers, grilles, an boots, includin removal, brushin, wipin, optional sanitizin, an correct reinstallation of fasteners fi prevent air leaks, noise, an cosmetic damage to finishes.
Identifyin register an grille typesSafe removal widout wall damageManual an mechanical brushin methodsSurface wipin an rinsin optionsUsin sanitizers an documentin useReinstallin fasteners an sealinLesson 2Step-by-step cleanin of return ducts: access creation, agitation sequence, vacuumin technique, protectin furnace intakeDis section present a step-by-step process fi cleanin return ducts, includin creatin access, settin up agitation an vacuumin, protectin di furnace intake, sealin openings afterward, an documentin conditions an results fi clients.
Locatin an markin return duct runsCuttin an sealin access openingsAgitation sequence fi return ductsVacuum hose placement an passesProtectin furnace an filter intakePost-cleanin sealin an photosLesson 3Overview of cleanin methods an when fi use each: negative air wid agitation, source removal vacuumin, contact brushin vs air whippinDis section provide an overview of major duct cleanin methods, includin negative air wid agitation, source removal vacuumin, contact brushin, an air whippin, wid guidance on when each method is appropriate an how fi combine dem effectively.
Negative pressure cleanin principlesSource removal vacuumin basicsContact brushin tools an usesAir whippin tools an limitationsChoosin methods by duct materialCombinin methods fi best resultsLesson 4Step-by-step cleanin of supply ducts: downstream access strategy, coil an plenum containment, sequence fi avoid recontaminationDis section outline a step-by-step method fi cleanin supply ducts, includin downstream access plannin, protectin coils an plenums, agitation an vacuumin sequence, an measures fi prevent recontamination of cleaned sections.
Mappin supply branches an trunksDownstream access an plug strategyIsolatin coil an plenum areasAgitation sequence fi supply runsVacuumin from distal to main trunkPreventin recontamination of branchesLesson 5Approach to flexible ducts an attic-only vents: gentle agitation techniques, air-whip length control, inspection widout destructive removal, when fi avoid cleaninDis section explain how fi approach flexible ducts an attic-only vents usin gentle agitation, controlled air-whip techniques, an careful inspection, while recognizin when cleanin is unsafe or ineffective an replacement is di better option.
Construction of flexible duct assembliesPre-cleanin inspection in atticsGentle brushin an agitation limitsAir-whip length an pressure controlNon-destructive camera inspectionCriteria fi avoidin flex duct cleaninLesson 6Decontamination an waste management: filter an debris disposal, HEPA vacuum canister handlin, cleanin tools between jobsDis section explain decontamination an waste management, includin handlin filters, debris, an HEPA canisters, cleanin an disinfectin tools between jobs, labelin an baggin waste, an preventin cross-contamination to other areas.
Collectin an baggin duct debrisHandlin an sealin used filtersEmptyin HEPA canisters safelyCleanin an disinfectin toolsPreventin cross-contaminationWaste storage, labelin, an transportLesson 7Air handler an accessible plenum cleanin steps: blower wheel cleanin, drain pan cleanin, coil exposure limits, gasketed access, avoidin damage to controlsDis section cover cleanin of air handlers an accessible plenums, includin blower wheel an drain pan cleanin, limited coil exposure, creatin gasketed access, an protectin wirin, controls, an cabinet integrity durin an after service.
Lockout, tagout, an safety checksOpenin cabinets an access panelsBlower wheel an housin cleaninDrain pan an drain line cleaninCoil exposure limits an shieldinProtectin controls, wirin, an sealsLesson 8Settin up negative air machines an HEPA vacuums: sizin, hose routin, creatin negative pressure, exhaust placement an filterinDis section detail setup of negative air machines an HEPA vacuums, includin sizin equipment, routin hoses, creatin reliable negative pressure, placin an filterin exhaust, an verifyin airflow direction wid simple field tests.
Calculatin airflow an equipment sizeConnectin ductwork an hosesSealin access points fi drawExhaust placement an filtrationVerifyin negative pressure directionMonitorin performance durin workLesson 9Handlin hard-to-reach vents an high registers safely: extension tools, vacuum hose routin, ladder safety, minimizin ceilin damageDis section focus on safely cleanin hard-to-reach vents an high registers usin extension tools, proper vacuum hose routin, ladder setup, an techniques fi minimize ceilin an wall damage while maintainin effective dust an debris capture.
Assessin reach an access challengesSelectin extension poles an toolsSafe ladder setup an positioninRoutin hoses fi prevent damageProtectin ceilings an wall finishesFinal inspection of high registers
