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Home system

Heating & cooling maintenance

Furnace, AC, filters. Below is everything your heating & cooling needs to stay safe and efficient — sorted into what's critical, what saves money, and what's optional. Each task shows how often to do it, whether it's DIY, and what it typically costs.

Tasks:
4
Typical yearly cost:
$90–$350

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

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

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

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

Heating & cooling maintenance FAQ

How often should I service my heating & cooling?+
It depends on the task. replace hvac air filter every 3 months; clear the hvac condensate drain line every 6 months; professional hvac tune-up once a year. Your personalized manual schedules each one for you.
Can I do heating & cooling maintenance myself?+
Many tasks are DIY-friendly. replace hvac air filter and clear the hvac condensate drain line can be done with basic tools, while others (professional hvac tune-up) are worth hiring a pro for.
What happens if I ignore heating & cooling maintenance?+
Frozen coils or a burned-out blower motor — a $1,500+ repair.
Planning aheadWhen to replace your heating & coolingTypical lifespan 1520years, the signs it's time, and what replacement costs.

All home maintenance systems