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What is Maintenance Plan?

A maintenance plan is a paid membership in which an HVAC contractor performs scheduled tune-ups on your heating and cooling system, usually in exchange for a monthly or annual fee, and typically adds member benefits such as repair discounts, reduced service fees, and priority scheduling. Its purpose is preserving efficiency and catching failing parts before breakdowns.

Why it matters to you

Heat, humidity, salt air, and a cooling season that runs most of the year make Lowcountry systems work harder than almost anywhere. Regular tune-ups keep coils clean, charge correct, and condensate lines clear, and priority scheduling matters most during the first summer heat wave, when every calendar in Charleston fills up.

Practical guidance

Compare plans on what a visit actually includes — coil cleaning, condensate line flushing, refrigerant charge checks — and on the repair and service-fee discounts. Schedule tune-ups before peak cooling and heating seasons rather than waiting for a problem.

What maintenance plan does Holy City Heating & Air offer?

Holy City offers the Friends & Family membership, which longtime customers may remember as the Ultimate Savings Program. Members get 20% off equipment repair, a half-priced service fee, priority service, and 20% off indoor air quality products. It is one plan covering both heating and cooling seasons.

How much does the Friends & Family membership cost?

Plans start at $21 a month. The right plan depends on the systems in your home, so call (843) 790-6504 to match one to your equipment. Sign-up takes minutes and benefits start right away.

What does a tune-up visit include?

The tune-up checklist covers a complete indoor and outdoor inspection, back-flushing condensate lines, cleaning and calibrating controls, cleaning the condensing coil, inspecting the evaporator coil, checking pressures, temperatures, and refrigerant charge, lubricating motors and inspecting belts, and estimating overall operating efficiency.

Is a maintenance plan worth it in Charleston's climate?

Lowcountry systems run long seasons in humid, salty air, which is hard on coils, drains, and outdoor components. Clean coils, correct charge, and healthy airflow are how a system holds its rated efficiency instead of drifting away from it. Member repair discounts and priority scheduling add value when something does wear out.

Related terms

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