A commercial HVAC preventative maintenance contract should cover scheduled inspections, filter changes, coil cleaning, refrigerant and electrical checks, controls calibration, and a written report after each visit. A generic checklist is not enough. The program should match your equipment, your building, and your operating hours, and you should see the same technicians who already know the site. That is how you catch failures before the first 90-degree day, not after.
Why Commercial PM Is Different From "Filter Service"
Commercial rooftop units, boilers, VRF systems, and building automation controls need more than a quick filter swap. A real PM visit inspects the mechanical, electrical, and controls conditions that cause no-cooling calls, frozen coils, nuisance alarms, and midsummer energy spikes.
If the contract is priced like residential service, it usually delivers residential depth. Commercial buildings pay for that gap later in emergency labor and lost occupancy comfort.
What Belongs in the Scope
A solid commercial HVAC PM contract typically includes:
- Scheduled seasonal inspections tied to cooling and heating changeover
- Filter changes at intervals that match your environment, not a one-size calendar
- Condenser and evaporator coil cleaning as needed
- Belt, motor, bearing, and blower checks
- Electrical inspection of contactors, capacitors, disconnects, and connections
- Refrigerant system checks for operation and signs of leakage
- Condensate drain and pan inspection
- Economizer and outdoor-air damper checks
- Thermostat, sensor, and controls verification
- Safety control checks on heating equipment
- Clear documentation after each visit
Buildings with BAS or energy management systems should also have schedule, setpoint, and alarm review included. Otherwise the mechanical tech and the controls reality stay disconnected.
What "Customized to the Building" Actually Means
A warehouse, a multi-tenant office, and a pharmaceutical space do not need the same PM rhythm. Hours of operation, critical rooms, roof access, equipment age, and redundancy all change the plan.
Ask the contractor to list the assets covered by tag or location. Ask how many visits per year each major unit gets. Ask whether heating and cooling startups are included. Ask whether emergency response and priority dispatch are part of the agreement or billed separately.
If the proposal cannot name your equipment, it is not a building-specific contract.
Technician Continuity Matters
One of the highest-value parts of a commercial PM relationship is seeing the same technicians. A tech who already knows your roof layout, your problem units, and your access rules finds issues faster than a rotating stranger with a generic checklist.
Ask who will be assigned. Ask how callouts are handled after hours. Ask whether contract customers get priority when the region is slammed during a heat wave or cold snap.
What Should Be in the Report
Every visit should leave you with more than an invoice. Useful reports note what was inspected, what failed or is trending toward failure, filter sizes replaced, refrigerant observations, recommended repairs, and any controls changes made on site.
That paper trail helps budgeting, capital planning, and conversations with ownership. It also creates accountability if the same unit fails two weeks after a "clean" visit.
Red Flags in a PM Proposal
Be cautious of contracts that:
- Use one flat checklist for every building type
- Never mention coils, economizers, or controls
- Are priced with no site visit
- Rely heavily on subcontractors you will never meet
- Soft-pedal exclusions until something breaks
- Promise unlimited emergency coverage in vague language without defining response targets
Good maintenance contracts are specific. Vague ones protect the seller, not the building.
FAQ
How many PM visits does a commercial building need per year? It depends on equipment and use. Many commercial accounts need at least seasonal heating and cooling visits, with more frequent filter or critical-unit attention where conditions demand it.
Are repairs included in a PM contract? Usually no. Inspection and routine maintenance are included. Repairs and replacements are quoted separately unless the agreement expressly says otherwise.
Should BAS and controls be part of HVAC PM? If the building has centralized controls, yes. Schedules, sensors, and alarms affect comfort and energy as much as the mechanical hardware.
Do contract customers get priority emergency service? Often yes. Priority dispatch is one of the practical benefits of a standing commercial maintenance agreement.
What documents should I keep from each visit? Service reports, filter records, recommended repairs, and any controls changes. They support warranty, budgeting, and accountability.
Can KCG build a PM program around our equipment? Yes. KCG provides commercial HVAC maintenance programs for facilities across Northern and Central New Jersey. Call 973-335-3884 to review your inventory and operating needs.
KCG Energy Management is a veteran-owned commercial HVAC, refrigeration, and energy management contractor based in Moonachie, NJ. NJ HVAC License #19HC00737600. If your current PM contract is basically a filter route, it is probably leaving money and uptime on the table.