What Should Minnesota Homeowners Do With Their HVAC System Between AC and Heating Season?

FALL HVAC CHECKLIST • SHOULDER SEASON • MINNESOTA HOME COMFORT

Minnesota has a strange little season between:

SUMMER “Why is it 92 degrees?”

→

FALL A few peaceful weeks

→

WINTER “Why is my windshield frozen?”

Your AC may barely run.

The furnace has not really started working yet.

USE THE QUIET WINDOW Shoulder season is an excellent time to give the entire HVAC system some attention before Minnesota heating season gets serious.

01

Test the Furnace

Do not wait for the first freezing night.

Run a normal heating cycle while outdoor conditions are still comfortable enough that a problem is inconvenient instead of urgent.

LISTEN Does anything sound unusual?

SMELL Does startup seem normal?

AIRFLOW Is warm air reaching the registers?

THERMOSTAT Does the system respond correctly?

The goal is not to heat the house unnecessarily. It is simply to confirm the system can start and complete a normal heating cycle.

02

Check the Filter

Many central HVAC systems use the same blower and filter during both heating and cooling.

SUMMER Cooling season airflow

→

SAME FILTER May have worked all season

→

FALL Check before heating begins

AIRFLOW MATTERS IN BOTH SEASONS Inspect the filter and replace it if it is loaded or due for replacement based on your system and filter type.

03

Look Around the Furnace

Your mechanical room should not become seasonal storage.

Remove items piled against equipment

Maintain appropriate clearances

Keep service access open

Keep the area organized and visible

MECHANICAL ROOM REMINDER Furnace ≠ storage shelf.

Technicians also need room to safely access and service the equipment.

04

Clear Leaves Around Outdoor Equipment

Fall leaves love condensers.

CLEAR Loose leaves

REMOVE Debris

TRIM Vegetation appropriately

KEEP Equipment accessible

HEAT-PUMP OWNERS Your outdoor unit may continue operating during heating season, so keeping it clear becomes even more important.

05

Check the Thermostat Schedule

Summer schedules may not make sense for fall.

Review:

Wake time

Work schedule

Nighttime temperature

Weekend routines

If you have a programmable or smart thermostat, use the scheduling features you already paid for instead of running the same settings year-round.

06

Test Carbon Monoxide Alarms

Heating season increases the importance of combustion safety in homes with fuel-burning equipment.

FALL SAFETY CHECK Make sure carbon-monoxide alarms are present and working according to their manufacturer instructions.

Replace batteries or devices when required by the alarm manufacturer.

07

Think About Humidity Before the House Gets Dry

If you use a whole-home humidifier, fall is the time to confirm:

WATER Supply is available

MEDIA Pad or panel condition

DRAIN Drain path is clear

CONTROL Settings make sense

DO IT BEFORE JANUARY Dry-throat season does not need to be the reminder.

08

Pay Attention to Summer Problems

Did your AC:

Run constantly?

Struggle upstairs?

Need multiple repairs?

Freeze?

Leak water?

Make unusual noise?

DON'T LET THE FIRST COOL DAY ERASE THE ENTIRE SUMMER Cooling problems that disappeared with the weather may still matter when deciding what needs attention before next season.

Write down what happened while you still remember it.

09

Think Ahead About Aging Equipment

If the furnace is already questionable, fall gives you time to discuss repair or replacement before an emergency.

NOW Time to compare options

VS.

LATER “We need heat working tonight.”

The best time to compare HVAC options is generally before you desperately need one working tonight.

10

Schedule Maintenance if It Is Due

A fall inspection can identify visible issues and verify operation before heavy heating season begins.

VERIFY Normal heating operation

LOOK For visible developing concerns

ADDRESS Problems before heavy winter use

MAINTENANCE IS NOT A CRYSTAL BALL It cannot guarantee that equipment will never fail.

It does create an opportunity to find and address concerns before the system spends months working through Minnesota winter.

Shoulder Season Is Planning Season

This is the small window where neither the AC nor furnace is demanding everyone's attention.

AC IS QUIET + FURNACE IS NOT WORKING HARD YET = TIME TO PAY ATTENTION

Use it.

COOLING → HEATING A little preparation now can make the seasonal transition much less dramatic later.

READY FOR HEATING SEASON?

Use Minnesota's Quiet HVAC Season Before Winter Gets Loud

Air Comfort Heating & Air Conditioning helps homeowners throughout Anoka County, the North Metro and surrounding Minnesota communities transition from cooling to heating with furnace testing, maintenance, airflow checks and practical system planning.

If summer revealed cooling problems—or your furnace has you wondering whether it will make it through another winter—fall gives you time to understand the options before the decision becomes urgent.

CALL 763-753-6623 REQUEST SERVICE

FREQUENTLY ASKED QUESTIONS

Fall HVAC Preparation Questions

Should I replace my furnace filter in fall?

Inspect it. If the filter is loaded or due for replacement based on your system and filter type, replace it before heating season begins.

Should I service the AC in fall?

If cooling had unresolved problems during summer, fall can be a useful time to discuss them rather than forgetting about the symptoms until the first hot weather next year.

When should I turn on my humidifier?

Whole-home humidifier operation should follow indoor humidity needs, outdoor conditions and equipment recommendations rather than one universal calendar date.