A Seasonal Appliance Maintenance Checklist for Rental Buildings

An appliance preventive maintenance checklist for a rental building works best as three passes: one in late spring before the heat (refrigerator coils, air conditioners, exhaust fans), one in early fall before heat season (heating units, dryer vents, range burners), and a short monthly round for water lines, disposals and filters. The super handles most of it. A technician handles anything gas, sealed or electrical.

That split matters more than the list itself. A checklist nobody owns gets done once, in the first year, and then quietly stops.

Who does what: super vs. technician

The rule we'd use is simple. If the job is looking, listening, cleaning or resetting, it's the super's. If it means opening a sealed refrigerant system, touching a gas connection, or working on wiring behind a panel, it's a technician's.

Most of what prevents breakdowns sits on the super's side of that line. Clean coils, clear filters, a dryer flap that opens, a hose that gets looked at before it bursts. None of that needs a license or a service call. What the super should never do is "fix" something they found on the walk. Their job is to find it, write it down and report it, so a small problem gets quoted while it's still small.

The technician's side is smaller but less forgiving. A burner that lights slowly, a fridge that runs constantly with clean coils, a dryer that takes two cycles to dry a load: those are diagnosis jobs, and guessing at them costs more than the visit.

Before summer: refrigerators, air conditioners and exhaust fans

Do this pass in April or May. Summer is when refrigerators work hardest and when a dead air conditioner turns into the call you get at 10 p.m. in July.

Refrigerators

Clean the condenser coils. On most rental models they're behind the toe grille at the bottom; on older or budget units they're the black grid on the back. A U.S. Department of Energy fact sheet on appliance maintenance (2001) recommends cleaning them every six to twelve months and says it can improve efficiency by as much as 30 percent. Twice a year lines up with the two big passes here.

While the grille is off, check that the condenser fan spins freely. Then test the door gasket the way the same DOE sheet suggests: close the door on a sheet of paper and pull. If it slides out easily, the gasket isn't sealing. A gasket is a small part. A compressor worn out from running against a leaky door is not.

Leave a few inches of space behind the unit. Tenants push fridges flat to the wall to gain an inch of counter, and the coils pay for it.

Air conditioners and heat pumps

For window units and through-wall sleeves, the super can wash or replace filters, clear the condensate drain, and check that the unit sits level in its sleeve and drips outside, not into the wall. For packaged terminal units (PTACs) and heat pumps that also heat the apartment, have a technician check cooling before the first hot week. Finding a dead compressor in May gives you time to get a quote approved. Finding it in July gives you an angry tenant and a backorder.

Exhaust fans

Hold a square of tissue up to each bathroom fan while it runs. If the fan can't hold it against the grille, it isn't moving enough air, and in summer that's the start of mold complaints. Pull and degrease kitchen hood filters. A fan that hums but doesn't spin, or squeals at startup, goes on the technician list.

Before winter: heating, dryer vents and ranges

Do this pass in September. NYC's heat season runs October 1 through May 31, and from then on a unit with no heat is an HPD issue, not a maintenance item (see HPD's heat and hot water rules).

Heating units in the apartment

Central boilers are their own world and usually their own contract. This pass covers what's in the unit: PTACs and heat pumps in heat mode, and any electric heat the building provides. Switch every one to heat in September and let it run for a few minutes. Strange smells on the first run are often dust burning off. A unit that blows cold air in heat mode is a work order.

Dryer vents

Clean the lint screen area, then go outside or up to the roof and watch the vent flap while the dryer runs. It should open. The National Fire Protection Association's dryer safety tips say to clean lint out of the vent pipe once a year, or more often if clothes take longer than normal to dry, and to check that the outdoor flap isn't covered by snow. Fall is the natural time to schedule the annual cleaning, before the flap freezes shut.

Ranges and ovens

Light every burner. Each should catch quickly with a steady blue flame. A tall yellow flame, a burner that clicks for a long time before lighting, or an oven that takes ages to ignite all go to a technician. If anyone smells gas, stop the walk and treat it as an emergency; our note on what to do when a tenant smells gas covers the first ten minutes.

Year-round: the monthly walk

The monthly round is short on purpose. Twenty minutes per floor, a flashlight, and a phone for photos.

Water lines

Look under kitchen sinks and behind washers when you have access. You're looking for bulging or cracked rubber hoses, damp cabinet floors, rust rings, and the white crust that means a slow drip has been drying out for weeks. A refrigerator's ice-maker line is a thin tube that kinks and cracks when a fridge gets pushed back too hard. In a multifamily building, a slow leak in one unit becomes the ceiling of the unit below, so a damp cabinet is never a "keep an eye on it" item.

Disposals and dishwashers

Run the disposal with cold water and listen. A hard hum means it's jammed: cut the power, turn the hex socket underneath with the wrench until it spins freely, then press reset once. If it jams again, stop. On dishwashers, pull and rinse the filter at the bottom of the tub; a clogged filter is behind a lot of "it doesn't clean anymore" calls.

Filters and shared laundry

Kitchen hood grease filters every month or two in busy units. In a common laundry room, check that every lint screen is in place and clean, that machines sit level and don't walk during spin, and that the room isn't hot and humid. A hot laundry room usually means dryers aren't exhausting the way they should.

The checklist at a glance

Write it down or it didn't happen

Every pass should leave a record: date, unit, what was checked, what was found, what was sent out. A photo of a gasket or a hose takes two seconds and settles arguments later.

That record is also what turns maintenance into planning. After a year, you'll see which units keep showing up, which refrigerators fail the paper test every season, and which models are close to the end. Our note on tracking appliance repair history by unit has a template you can reuse for the maintenance entries too.

What to do next

Pick the pass that's coming up next, print the table, and give it to the super with a date. When the walk turns up something on the technician's side of the line, open a work order for that unit with a photo and a line about what the super saw, and we'll quote the repair before any work starts. For refrigerators that are still running warm after their coils are clean, start with our refrigerator repair page.