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Appliance maintenance guides

Find practical, model-aware guidance for common home appliances, their records, and the safe decision points that belong with a professional.

Start with this safe checklist

  1. Locate the model and serial number.
  2. Read the current manufacturer manual before maintenance.
  3. Save service history, filters, and warranty records together.

Use your model manuals and local requirements as the final authority. If a task involves fuel, energized equipment, refrigerant, concealed damage, a steep roof, or a permit, arrange qualified local help.

Guides in this collection

Homeowner comparing model-label photos of a refrigerator, dishwasher, and washing machine spread across a kitchen counter.appliance

How Long Do Appliances Last? (Lifespan Guide by Type)

A lifespan-by-type table for refrigerators, dishwashers, HVAC, and water heaters, plus the 50% repair-vs-replace rule that saves money.

Aug 27, 20269 min read
Hand lifting a round twist-lock dishwasher filter out of the tub, with visible food residue caught in the mesh.appliance

How to Clean a Dishwasher Filter (and How Often)

Clean a dishwasher filter about once a month: how to twist it out, rinse it, and spot the cloudy-glass signs that mean it's overdue.

Aug 27, 20265 min read
Homeowner crouched at an open dishwasher door inspecting the lower rack and tub for wear on an older stainless model.appliance

How Long Does a Dishwasher Last? (Repair vs. Replace)

A dishwasher typically lasts 8-15 years. See failure points by age, 2026 repair-cost ranges, and the 50% rule for deciding repair vs. replace.

Aug 27, 20267 min read
Homeowner lifting the round filter basket out of an open dishwasher tub to rinse it at the sink.appliance

Dishwasher Maintenance: Filter, Spray Arms & Cleaning Cycles

Dishwasher maintenance in one page: filter cleaning cadence, clearing clogged spray arms, monthly cleaning cycles, gasket care, and hard water fixes.

Aug 27, 20268 min read
Side-by-side gas and electric dryers in a laundry room with an open door showing the drum and heating element access panel.appliance

How Long Does a Dryer Last? (Gas vs. Electric)

A dryer lasts about 13 years on average, gas or electric. What actually shortens that number, real repair costs by part, and the signs it's dying.

Aug 27, 20268 min read
Close-up of a homeowner pulling a lint-covered dryer screen out of its slot above an open dryer door.appliance

How Often to Clean Your Dryer Lint Trap (and Vent)

CPSC says clean the lint screen before or after every load. Here's the water test for hidden residue and how to tell the trap isn't the real problem.

Aug 27, 20266 min read
Homeowner kneeling outside a house using a long vent brush to clear lint from an exterior dryer duct hood.appliance

Dryer Vent Cleaning: How Often and Why It Prevents Fires

The dryer vent, not the lint trap, is where CPSC-documented fires start. How to spot a clogged duct, DIY limits, and 2026 professional cleaning costs.

Aug 27, 20267 min read
Homeowner's hand dropping ice cubes into a kitchen sink garbage disposal opening with cold water running.appliance

How to Clean a Garbage Disposal (and How Often)

Clean a garbage disposal weekly with ice and citrus, skip the bleach, and learn what jams it and when a hum means call a plumber.

Aug 27, 20266 min read
Homeowner holding a dusty AC filter up to a window to check how much light passes through it.appliance

How Often Should You Change Your AC Filter?

The short answer: monthly checks, 30–90 day changes for most 1-inch filters. A decision table for pets, smokers, and heavy summer use.

Aug 27, 20264 min read
Homeowner sliding a pleated air filter into a wall-mounted furnace return, with a stack of differently sized replacement filters nearby.appliance

HVAC Filter Replacement Schedule: 1", 2", 4" Filters Explained

How often to replace 1-inch, 2-inch, and 4-5 inch HVAC filters, what MERV rating actually changes, and how to tell a filter is overdue between checks.

Aug 27, 20268 min read
Homeowner and technician standing beside an aging outdoor condenser unit, one pointing at a rusted panel seam.appliance

How Long Does an HVAC System Last? (Replacement Signs)

Furnaces run 15-25 years, central AC 7-15, heat pumps about 10-15 — the sourced ranges, what shortens them, and the signs it's time to replace.

Aug 27, 20269 min read
Homeowner wiping down the interior of an open microwave with a cloth, turntable removed and set on the counter beside it.appliance

Microwave Maintenance: What to Clean and How Often

Microwave maintenance schedule: wipe the interior weekly, clean the turntable monthly, check the door seal, and know the real signs it needs service.

Aug 27, 20268 min read