Technician wearing yellow gloves and a mask using a digital gauge to check an air conditioning unit.

Commercial HVAC & Plumbing Maintenance Contracts That Prevent Downtime 

Stay ahead of costly breakdowns and keep your building systems running efficiently with custom-tailored preventive maintenance.

Preventive Maintenance That Pays for Itself

At AMSI Services, we believe the best repair is the one you never need. Our preventive maintenance contracts are designed to maximize uptime, extend equipment life, and reduce unexpected expenses across your HVAC, plumbing, and building control systems.

Whether you manage a single property or multiple sites, our maintenance programs are built around your equipment, your schedule, and your budget.

What’s Included in Our Maintenance Contracts 

Every plan is customized to your building’s systems and occupancy demands, and may include:

Scheduled HVAC inspections and filter replacements

Coil cleaning and airflow checks

Equipment calibration and system balancing

Plumbing line inspections and flow testing

Leak detection and minor repairs

Drain flushing and grease trap servicing

Performance reports and service history tracking

Smart system diagnostics and controls monitoring

Priority service response for emergencies

Compliance and safety checklists

Reliable Maintenance for Critical Facilities

We maintain systems in:

Corporate offices and campuses

Healthcare and senior care facilities

Schools and universities

Municipal and government buildings

Manufacturing and logistics centers

Data centers and server rooms

Retail, restaurant, and hospitality chains

And cover:

Rooftop Units (RTUs)

Boilers, chillers, and pumps

Air handlers, ductless splits, VRF systems

Plumbing risers, fixtures, and grease traps

Smart HVAC controls and building automation platforms

Why Work With Us

More Than a Maintenance Checklist

Reviewed by Leadership

Each contract is built and approved by our senior team—not just handed off to a tech.

Trained to Catch Issues Early

Our pros know what small symptoms lead to big problems—and we catch them first.

Clear Reports, Every Time

You get detailed, photo-backed updates and full documentation after every visit.

We Don’t Wait for Failure

If something’s wearing down or needs replacement, we’ll recommend it before it costs you.

Preventive Maintenance FAQs

How often do you provide maintenance?

We offer monthly, quarterly, semi-annual, and annual schedules—customized to your equipment and usage.

Can I include both HVAC and plumbing in one plan?

Yes. We provide bundled mechanical service contracts for total system coverage.

What’s the difference between PM and reactive service?

Preventive maintenance is planned, scheduled work that catches issues early. Reactive service responds after a breakdown.

Do you service smart systems under contract?

Yes. We maintain controls platforms like 75F, CoolAutomation, and custom BAS setups.

Will I get priority service during emergencies?

Absolutely. PM contract clients get priority response times and service routing.

Get Ahead of System Downtime—Start Your Plan Today

Let us build a custom preventive maintenance contract that protects your systems and your budget.

Technician inspecting and working on industrial HVAC ducting inside a commercial building.