Regular maintenance keeps your heating and cooling system running efficiently, helps prevent unexpected failures, and extends the useful life of your equipment. Arab Sheet Metal has been performing HVAC maintenance for Arab-area homeowners since 1967.
✔ Spring & Fall Tune-Ups✔ Serving Arab Since 1967✔ Residential HVAC
Why Preventive Maintenance Matters
HVAC systems that are never serviced do not fail all at once. They degrade gradually. Refrigerant drops slowly. Coils get dirty. Electrical connections corrode. None of these problems announce themselves until they cause a breakdown.
A scheduled maintenance visit finds these things before they become emergency repairs and before they become failures on the hottest day of summer or the coldest night of the year.
Once / YearRecommended Frequency
SpringBefore Cooling Season
FallBefore Heating Season
What We Check During a Maintenance Visit
Our maintenance visits go beyond a quick visual inspection. We test the system under operating conditions and check key performance indicators to identify anything that needs attention.
Inspect and clean evaporator and condenser coils
Check refrigerant levels and look for signs of leaks
Test electrical connections and components
Inspect blower motor and fan operation
Measure temperature differential and system performance
Inspect condensate drain and clear if needed
Check thermostat operation
Inspect ductwork connections at the air handler
Report any findings that need attention
What Homeowners Can Do Between Service Visits
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Change the Air Filter
This is the single most impactful thing a homeowner can do. A clogged filter restricts airflow and makes the system work harder. Most homes need a new filter every 1–3 months.
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Keep the Outdoor Unit Clear
Keep grass, shrubs, and debris away from the outdoor unit. Two feet of clearance on all sides is a good guideline.
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Keep Vents Open and Clear
Closed or blocked vents do not save energy. They create airflow problems that stress the system. Keep supply and return vents open and unobstructed.
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Avoid Drastic Thermostat Changes
Large thermostat setpoint changes do not cool or heat faster. Consistent setpoints are easier on the equipment.
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Listen for Changes
New noises during operation are worth noting. Call us if you hear something your system did not used to do.
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Schedule Before the Season
Spring for the AC. Fall for the heat. Scheduling before peak season means you are not competing with everyone who waited until it broke.
Maintenance Questions
We recommend once a year for most systems: a spring tune-up before air conditioning season, or a fall tune-up before heating season. If you have a heat pump that runs year-round, once a year still covers it.
We inspect and clean key components, check refrigerant levels, test electrical connections, measure system performance, and look for signs of wear or developing problems. We tell you what we find.
Yes. Changing your air filter on schedule (every 1–3 months for most homes) is the single most impactful thing a homeowner can do. Keeping the outdoor unit clear of debris and vegetation also helps.
Yes. Clean systems run more efficiently and are less likely to fail at the worst time. Catching a small problem during a scheduled visit is less expensive than an emergency repair mid-summer.
HVAC systems can develop problems that do not produce obvious symptoms right away: refrigerant levels dropping slowly, electrical connections corroding, coils getting dirty. Regular maintenance catches these before they become larger repairs.
