Seasonal Maintenance Checklist Arlington TX - Legend Air HVAC

Seasonal Maintenance Checklist

The complete twice-a-year checklist every Arlington & DFW homeowner should follow to prevent breakdowns and save money.

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North Texas weather is tough on HVAC systems. Following this simple seasonal checklist (or better yet, having us do it for you) can add years to your equipment and dramatically lower your energy bills.

Spring / Summer (AC Season) Checklist

Must-Do Items

  • Replace your air filter (every 30 days during summer)
  • Clean outdoor condenser coils with a garden hose
  • Clear leaves, grass, and debris around the outdoor unit
  • Flush the condensate drain line with vinegar
  • Check and clean the indoor evaporator coil (if accessible)
  • Test thermostat batteries and calibration

Pro Tips for DFW Summers

  • Set thermostat no lower than 78Β°F when away
  • Keep supply and return vents fully open
  • Inspect refrigerant lines for damage or leaks
  • Listen for unusual noises from the outdoor unit

Fall / Winter (Heating Season) Checklist

Must-Do Items

  • Replace air filter again (critical for heating)
  • Test carbon monoxide detectors
  • Inspect and test pilot light or electronic ignition
  • Check blower motor and capacitor
  • Clear all supply and return vents
  • Schedule professional tune-up

Pro Tips for North Texas Winters

  • Keep thermostat at 68–70Β°F for best efficiency
  • Never block vents with furniture
  • Have your furnace professionally inspected yearly

Want It Done Right?

Our Seasonal Maintenance Plan includes everything on this checklist plus a full system inspection, coil cleaning, refrigerant check, and written report. Most visits take under an hour.

πŸ“ž Schedule Your Maintenance Visit

Frequently Asked Questions

How often should I change my air filter?

Every 30 days during summer and every 60–90 days in winter. Use a high-quality pleated filter (MERV 8–11).

Can I do all of this myself?

You can handle the easy items (filters, vents, basic cleaning). For coil cleaning, refrigerant checks, and electrical safety, we strongly recommend professional service.

Does maintenance really save money?

Yes β€” most customers see 10–20% lower energy bills and avoid expensive emergency repairs.

How much does professional maintenance cost?

Our standard tune-up is $89–$129 (includes filter). Much cheaper than emergency repairs.

Related Guides

Frozen Evaporator Coils

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Furnace Troubleshooting

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Capacitor Basics

Read Guide

Ready to Make Maintenance Easy?

Let Legend Air handle your seasonal maintenance so you don’t have to.

Book Maintenance Now