Lexany's Heating & AC technician performing a seasonal AC maintenance tune-up at a Forney, TX home

Fall Heating Prep Guide for Your Forney Home

Gustavo Garza, owner of Lexany's Heating & ACGustavo Garza

Winters in Forney are short, but the cold snaps are real — and they tend to show up the same week everyone realizes their heat hasn’t run since last year. A little prep in the fall, while the weather is still mild, means your furnace or heat pump is ready before the first cold night instead of failing during it. Here’s the short, practical checklist we walk our customers through.

Why fall is the time to prep

Your heating system has sat idle all summer. The first hard freeze of the season is the worst time to discover a weak igniter, a dirty burner or a cracked part — and it’s also when service calendars fill up fastest. Checking everything now, in the mild weather, gives you time to fix any small issues calmly instead of scrambling on a 30-degree night. In North Texas the systems we service are forced-air gas furnaces, electric furnaces and heat pumps, so this checklist covers all three.

Your fall heating checklist

Run through these in order. Most take only a few minutes, and the first one is the one that catches the rest.

  1. Book a heating tune-up. A seasonal tune-up checks the burner, igniter, safety controls, airflow and refrigerant (on a heat pump) before you rely on the heat. It’s the single best thing you can do, and it catches problems while there’s still time to fix them. See our heating maintenance page for what’s included.
  2. Change the filter. A fresh filter protects airflow and keeps the system running efficiently all winter. Check a standard 1-inch filter monthly and swap it about every 30 to 60 days.
  3. Test-run the system early. Switch the thermostat to heat for a few minutes on a cool day, well before you need it. You’ll likely notice a faint burning smell as summer dust burns off the heat exchanger — that’s normal and clears within an hour. A smell that’s strong or lingers is your cue to call us.
  4. Check the thermostat schedule. Update any programmed schedule for the cooler months, and if it runs on batteries, replace them now so it doesn’t quit on the coldest night.
  5. Test your CO detectors. Any gas-burning appliance makes carbon monoxide a possibility, so press the test button on every detector and replace the batteries. Add one near sleeping areas if you don’t have it covered.
  6. Clear the vents and registers. Make sure furniture, rugs and curtains aren’t blocking the supply and return vents. Good airflow keeps the system from working harder than it needs to.
  7. Clear the outdoor heat-pump unit. If you have a heat pump, rake away leaves and debris and keep an 18-inch clearance around it. It has to breathe to pull heat from the outside air in winter.
Test the heat on a cool day, not a cold one

Running the furnace or heat pump for a few minutes on a mild fall afternoon gives you room to react if something’s off. Wait until the first freeze and any small problem becomes an emergency.

Getting freeze-ready

When a hard freeze is in the forecast, a little extra readiness goes a long way. Know where your shutoffs are, keep the heat at a steady setting rather than turning it off entirely, and leave interior doors open so warm air circulates. If your system struggles to keep up or short-cycles during the cold, don’t push it — that’s worth a quick heating repair call before it gives out completely.

Never ignore a smell or sound

A persistent burning smell, the smell of gas, a metallic or electrical odor, or new banging, rattling or booming when the heat starts are all signs to shut the system down and call us. With any gas appliance, carbon monoxide is a real risk — working CO detectors are not optional.

If anything on this checklist turns up a problem, or you’d just like a professional set of eyes before winter, call us at 469-728-7113. We provide same-day service in English and Spanish across Forney and the nearby Kaufman County towns. Lexany’s Heating & AC is family-owned, residential-only, and Texas-licensed (A/C License #51447).

Fall heating prep FAQs

When should I book my fall heating tune-up?

Early fall is ideal — before the first cold snap, while the weather is still mild. Booking ahead of the rush means you’re ready when the temperature drops instead of waiting for a service slot on the first cold night of the year.

My furnace smells when it first turns on. Is that normal?

A faint burning smell the first time you run the heat each fall is usually just dust burning off the heat exchanger, and it should clear within an hour or so. If the smell is strong, lingers, or smells like gas or something electrical, shut the system off and call us right away.

Does a heat pump need fall prep too?

Yes. A heat pump heats your home in winter, so it benefits from a fall check just like a furnace — we test the heating mode, clear the outdoor unit, and make sure it’s ready for the cold. Call 469-728-7113 and we’ll get it scheduled.

Gustavo Garza, owner of Lexany's Heating & AC
Written byGustavo Garza

Owner of Lexany’s Heating & AC. Family-owned in Forney since 2011 — most days he’s the one on the truck doing the work himself. Bilingual (English/Spanish).

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