Working alarms are the single biggest factor in surviving a house fire.
How often Every 6 mo
Who DIY
Cost Up to $30
Time 15 min A dead alarm offers zero warning when it matters most.
How & when to do it Pour a bucket of water in the pit and confirm it kicks on. Simple and vital.
How often Every 6 mo
Who DIY
Cost Free
Time 15 min A dead pump during a storm means a flooded basement overnight.
How & when to do it Lint is highly flammable and builds up where you can't see it.
How often Yearly
Who DIY or pro
Cost Up to $150
Time 45 min Clogged dryer vents cause thousands of house fires every year.
How & when to do it The temperature & pressure-relief valve is a safety device that prevents the tank from over-pressurizing.
How often Yearly
Who DIY
Cost Up to $25
Time 15 min A stuck TPR valve turns a water heater into a dangerous pressure vessel.
How & when to do it When a pipe bursts, every minute counts. Know where the valve is before you need it.
How often Every 2 yr
Who DIY
Cost Free
Time 15 min Thousands in water damage while you search for the shutoff during a flood.
How & when to do it A clogged filter makes your system work harder, raising bills and shortening its life.
How often Every 3 mo
Who DIY
Cost $10–$30
Time 10 min Frozen coils or a burned-out blower motor — a $1,500+ repair.
How & when to do it GFCI outlets near water protect you from shock — but they wear out silently.
How often Every 6 mo
Who DIY
Cost Up to $25
Time 15 min A failed GFCI removes shock protection in kitchens and bathrooms.
How & when to do it Clogged gutters send water into your foundation, fascia, and basement.
How often Every 6 mo
Who DIY or pro
Cost Up to $200
Time 1.5 hr Foundation cracks and basement flooding — repairs run into the thousands.
How & when to do it Your AC pulls humidity from the air and drains it away; algae and sludge clog that line over time.
How often Every 6 mo
Who DIY
Cost Up to $20
Time 20 min A backed-up drain overflows the pan and leaks water into ceilings and walls.
How & when to do it A few drops of food coloring in the tank reveal a leaking flapper that quietly wastes water.
How often Every 6 mo
Who DIY
Cost Up to $20
Time 15 min A silent toilet leak can waste hundreds of gallons a day and inflate your water bill.
How & when to do it An annual tune-up catches small failures before peak summer/winter load.
How often Yearly
Who Hire a pro
Cost $80–$200
Time 1.5 hr A mid-heatwave breakdown when every tech is booked.
How & when to do it Sediment buildup wastes energy and corrodes the tank from the inside.
How often Yearly
Who DIY or pro
Cost Up to $150
Time 45 min A ruptured tank that floods the floor — and a surprise $1,200 replacement.
How & when to do it Rubber supply hoses are a top cause of catastrophic indoor flooding.
How often Yearly
Who DIY
Cost Up to $40
Time 20 min A burst hose can dump 600+ gallons an hour into your home.
How & when to do it Spotting a few lifted shingles early prevents slow, hidden leaks.
How often Yearly
Who DIY or pro
Cost Up to $250
Time 30 min A small leak can rot the deck and ruin insulation before you ever see a stain.
How & when to do it Annual tests catch bacteria, nitrates, and changes you can't taste.
How often Yearly
Who DIY or pro
Cost $20–$150
Time 30 min Contaminated water can go unnoticed until someone gets sick.
How & when to do it Dusty coils make the fridge run hot and die years early.
How often Yearly
Who DIY
Cost Up to $20
Time 20 min Premature compressor failure — and spoiled groceries.
How & when to do it Water left in lines freezes, expands, and cracks pipes and valves.
How often Yearly
Who DIY or pro
Cost Up to $120
Time 1 hr Burst irrigation lines and a spring full of repairs.
How & when to do it A simple photo walkthrough makes insurance claims far easier after a loss.
How often Yearly
Who DIY
Cost Free
Time 1 hr Without proof, claims get denied or shortchanged.
How & when to do it Dirty outdoor coils can't shed heat, so the system runs longer and works harder to cool.
How often Yearly
Who DIY or pro
Cost Up to $100
Time 45 min Reduced efficiency, higher bills, and early compressor wear in peak heat.
How & when to do it A cheap gauge on a hose bib tells you if pressure is in the safe 40–60 psi range.
How often Yearly
Who DIY
Cost $10–$15
Time 15 min Excessive pressure stresses every pipe, fitting, and appliance until something bursts.
How & when to do it Warm outlets, scorch marks, and frayed cords are early warnings of a fire hazard.
How often Yearly
Who DIY
Cost Up to $25
Time 30 min Damaged outlets and cords are a leading ignition source for electrical fires.
How & when to do it Flashing around chimneys, vents, and valleys is where most roof leaks actually start.
How often Yearly
Who DIY or pro
Cost Up to $200
Time 30 min Failed flashing leaks water into the attic long before shingles look worn.
How & when to do it Lint slips past the screen and builds up in the housing your screen sits in, restricting airflow.
How often Yearly
Who DIY
Cost Free
Time 20 min Hidden lint buildup is both a fire risk and the reason loads take two cycles to dry.
How & when to do it Storms that flood basements often knock out power too; a backup battery keeps the pump running.
How often Yearly
Who DIY
Cost Up to $200
Time 30 min A power outage during a storm leaves the main pump dead exactly when you need it.
How & when to do it The effluent filter catches solids before they reach the drain field; it clogs and needs cleaning.
How often Yearly
Who DIY or pro
Cost Up to $100
Time 30 min A clogged filter causes backups into the house and stresses the drain field.
How & when to do it A waterlogged pressure tank makes the pump cycle constantly, wearing it out fast.
How often Yearly
Who DIY or pro
Cost Up to $100
Time 30 min Short-cycling burns out an expensive well pump years before its time.
How & when to do it A balanced door stays put halfway open; if it slams down, the springs are failing.
How often Yearly
Who DIY
Cost Free
Time 10 min An unbalanced door overloads the opener and can drop unexpectedly.
How & when to do it The backflow preventer keeps irrigation water from siphoning back into your drinking supply.
How often Yearly
Who DIY or pro
Cost Up to $100
Time 30 min A failed preventer can contaminate household water; many areas require testing.
How & when to do it Fresh weatherstripping around doors and windows stops drafts and lowers heating and cooling bills.
How often Every 2 yr
Who DIY
Cost $10–$40
Time 1 hr Worn seals leak conditioned air all year, quietly raising every energy bill.
How & when to do it Routine pumping prevents backups and protects the drain field.
How often Every 3 yr
Who Hire a pro
Cost $300–$600
Time 2 hr A failed drain field is a $10,000+ replacement.
How & when to do it The sacrificial anode rod corrodes so the tank doesn't; replacing a spent rod can double tank life.
How often Every 3 yr
Who DIY or pro
Cost $20–$60
Time 45 min Once the rod is gone, the tank rusts from the inside and fails years early.
How & when to do it Sensors degrade; manufacturers rate alarms for about 10 years.
How often Every 10 yr
Who DIY
Cost $20–$60
Time 30 min An expired sensor may not trigger even when it appears to work.
How & when to do it A clean filter means cleaner dishes and no funky smell.
How often Every 3 mo
Who DIY
Cost Free
Time 10 min Poor drainage and a shortened appliance life.
How & when to do it A degreased filter lets the hood actually vent smoke, steam, and cooking grease.
How often Every 3 mo
Who DIY
Cost Up to $20
Time 15 min A grease-clogged filter is a kitchen fire risk and leaves the hood useless.
How & when to do it Clearing slow drains with hot water and a safe cleaner keeps small clogs from becoming blockages.
How often Every 6 mo
Who DIY
Cost Up to $15
Time 20 min A neglected slow drain becomes a full backup that needs an emergency plumber.
How & when to do it A few minutes with the right lubricant keeps the door quiet and the hardware from wearing out.
How often Every 6 mo
Who DIY
Cost $5–$15
Time 20 min Dry, neglected hardware fails early and strains the opener motor.
How & when to do it A fresh filter keeps drinking water and ice clean and protects the dispenser system.
How often Every 6 mo
Who DIY
Cost $20–$60
Time 10 min An old filter stops filtering and can harbor bacteria and bad taste.
How & when to do it Ground should slope away from the house so rain doesn't pool at the foundation.
How often Yearly
Who DIY
Cost Up to $100
Time 30 min Water pooling at the foundation is a top cause of basement leaks.
How & when to do it The auto-reverse safety feature protects kids and pets.
How often Yearly
Who DIY
Cost Free
Time 10 min A failed sensor turns a heavy door into a hazard.
How & when to do it Removing dirt, mildew, and algae protects finishes and keeps siding from degrading early.
How often Yearly
Who DIY
Cost Up to $150
Time 2 hr Built-up grime and mildew shorten the life of paint and siding.
How & when to do it Slowly recharging the system and checking each head catches winter damage and misaligned spray.
How often Yearly
Who DIY
Cost Up to $80
Time 1 hr Broken heads waste water and leave dry or flooded spots all season.
How & when to do it Fresh caulk keeps water and pests out and cuts drafts.
How often Every 2 yr
Who DIY
Cost $15–$60
Time 2 hr Water intrusion behind siding leads to rot and mold.
How & when to do it 120°F is hot enough for comfort and safety while saving energy and preventing scalding.
How often Every 2 yr
Who DIY
Cost Free
Time 10 min Higher settings waste energy and risk scald burns, especially for kids.
How & when to do it Downspouts should dump water at least several feet from the house, not at the foundation.
How often Every 2 yr
Who DIY
Cost $10–$50
Time 30 min Water pooling at the base of the home is a top cause of basement leaks and settling.
How & when to do it Sealing protects deck wood from moisture, UV, and rot, and inspection catches loose boards and fasteners.
How often Every 2 yr
Who DIY
Cost $30–$100
Time 4 hr An unsealed deck rots and can become a structural and safety hazard.
How & when to do it Older panels and aluminum wiring are known fire risks worth a pro's eyes.
How often Every 5 yr
Who Hire a pro
Cost $100–$300
Time 1 hr Undetected wiring faults are a leading cause of house fires.
How & when to do it A panel-mounted surge protector shields every device in the home from voltage spikes.
How often Every 10 yr
Who Hire a pro
Cost $200–$400
Time 2 hr One storm surge can fry electronics, appliances, and HVAC boards at once.
How & when to do it