- Restaurants run equipment harder than almost any other building type: long hours, grease, heat, wet floors, and constant door traffic. Maintenance intervals need to reflect that.
- A calendar prevents the usual pattern of servicing the loudest equipment and forgetting the quiet ones, like condensate drains, door gaskets, and water heater sediment.
- Quarterly checks catch most failures before they interrupt service, and the annual cycle adds deeper inspections that match seasons.
- Inspection preparation is a year-round habit. Records, labeled equipment, and visible condition matter more than a last-minute scramble.
- Hood and duct cleaning follow fire-safety schedules set by code and your insurer. They are separate from the mechanical calendar, but should be coordinated with it.
How to use this calendar
Treat the lists below as a starting framework, not a mandate. Equipment makers publish their own service requirements, jurisdictions set their own inspection rules, and a 24-hour diner behaves nothing like a lunch counter closed by 3 pm. Adjust the frequency to your duty cycle, then assign each task to a named person or vendor.
The structure is simple: a few tasks that happen every month (often by your own staff), a deeper quarterly visit by a technician, a semiannual pair that line up with the cooling and heating seasons, and annual items that involve inspection or documentation.
Monthly: what your own team can do
- Walk-in and reach-in gaskets: Close a dollar bill or thin card in the door; if it pulls out easily, the gasket is leaking cold. Replace torn or flattened gaskets.
- Condenser coils on reach-ins and prep tables: Brush or vacuum visible dust and grease from accessible coils with the equipment off. Dirty coils are the leading cause of refrigeration failures in kitchens.
- Floor drains and condensate lines: Pour water into drains and confirm they flow. Look for slime, ice at the drain, or standing water.
- Ice machine bins and scoops: Clean per the maker's instructions and your health department expectations. Keep the scoop out of the bin.
- Thermometers: Verify cooler and freezer readings with a calibrated thermometer and record them. Note trends, not just numbers.
- Make-up air and exhaust filters: Inspect and clean or replace on a schedule that matches how heavy the cooking is.
- Thermostat schedules: Check that dining room settings match the current hours and nobody has left a manual hold on.
Quarterly: the technician visit
A quarterly visit is where a trained technician inspects what staff cannot or should not. It also builds a record of readings so that small changes become visible. The schedule below suggests which items to put on which visit; a technician may rearrange based on your equipment and season.
| Quarter | Focus | Typical tasks |
|---|---|---|
| Q1 (Jan to Mar) | Heating and refrigeration baseline | Heat section inspection on rooftop units, water heater review, walk-in evaporator and defrost checks, door and gasket assessment, ice machine cleaning and sanitizing |
| Q2 (Apr to Jun) | Cooling season readiness | Cooling performance test on every rooftop and split system, condenser coil cleaning, economizer function, condensate drain clearing, make-up air inspection |
| Q3 (Jul to Sep) | Peak load protection | Refrigeration condenser and compressor readings under peak heat, fan motor and capacitor testing, belt and bearing checks, ice machine sanitation, walk-in defrost timing |
| Q4 (Oct to Dec) | Heating readiness and holiday volume | Gas heat inspection and combustion check, exhaust fan check, water heater flush and anode review, refrigeration capacity review ahead of holiday volume |
Spring and fall: the two visits that matter most
Spring: before the first hot week
- Clean condensers on rooftop units, refrigeration racks, and condensing units. Restricted airflow is the quickest route to a compressor failure on a hot day.
- Test capacitors, contactors, and motors under load. Replace weak parts now rather than during the rush.
- Check economizer operation so free cooling works on mild days.
- Clear condensate drains and traps that sat through the dry season.
- Verify walk-in door closers, strip curtains, and light fixtures. Heat gains from open or leaking doors increase refrigeration load right when you can least afford it.
Fall: before the cold and the holiday rush
- Inspect gas heat exchangers and burners and verify safeties. Orange County winters are mild but the system will still fire on cold mornings.
- Review hot water performance and flush tanks where sediment is a known problem. Dishwashing and sanitizing temperatures depend on dependable hot water.
- Re-check exhaust and make-up air balance; fall menu changes and added equipment may have shifted it. See the kitchen ventilation guide.
- Confirm refrigeration has margin for peak volume: defrost cycles, evaporator coil condition, and door seals.
- Make sure emergency contacts and plans are current. See our emergency response planning guide.
Annual items and coordination with other trades
- Hood and grease duct cleaning: Follows frequencies set by fire-safety standards such as NFPA 96, your insurer, and local fire authority expectations; frequency depends on the type and volume of cooking. This is a separate, specialized vendor. Keep the certificates they leave.
- Fire suppression system inspection: Handled by licensed fire-protection vendors on the schedule your jurisdiction and insurer require.
- Backflow and plumbing inspections: Handled by the appropriate plumbing contractors and testers, per local rules.
- Refrigerant records: Where equipment contains enough refrigerant to trigger leak-inspection and recordkeeping rules, keep service logs. See our refrigerant compliance guide for the background, and confirm current requirements.
- Equipment inventory review: Update ages, locations, and conditions so that repair-vs-replace decisions and budgets can be planned instead of reactive.
Preparing for health and fire inspections
Inspectors look at what is visible and what is documented. The mechanical equipment contributes to both. The items below are commonly noticed, though your jurisdiction's checklist is the authority. Ask your local department for their current inspection form.
| Area | What inspectors tend to notice | How to be ready |
|---|---|---|
| Walk-ins and reach-ins | Holding temperatures, door gaskets, condition of shelving and floors, thermometers in place | Logged temperatures, calibrated thermometers, gaskets intact, condensate managed |
| Ice machines | Cleanliness of bins and interior, ice-handling practices | Documented sanitation, scoop storage, clean exterior and surroundings |
| Hot water | Handwash sinks and warewashing temperatures | Water heater service up to date, temperatures verified |
| Ventilation | Visible grease on hood and filters, fan operation, service labels | Cleaning vendor stickers current, filters in place, fan accessible |
| General equipment | Labeling, clearances, ceiling water stains, damaged insulation | Fix leaks and stains promptly, keep clearances, label equipment |
If your equipment is tagged with QR codes in the DaVinci Portal, the service history for any unit is available on a phone in seconds, which is easier than hunting for a binder.
If you run more than one location
Multi-unit operators gain the most from standardizing the calendar and the reporting format across locations. A consistent set of tasks and a common way to report readings makes it possible to compare sites, find outliers, and budget replacement across the portfolio. Restaurants in the same chain often share equipment models and therefore share failure patterns, which a good records system will surface. Our restaurant industry page and maintenance plans describe how this works with Davinci Mechanical.
Frequently asked questions
How often should a restaurant have its HVAC and refrigeration serviced?
Many restaurants benefit from quarterly technician visits with monthly staff checks in between. High-volume or 24-hour operations may need more frequent coil cleaning and filter changes. Equipment manufacturer guidance and your own failure history should adjust the schedule.
Is hood cleaning part of an HVAC maintenance plan?
No. Hood and grease duct cleaning is a separate trade governed by fire-safety standards and your insurer's expectations. Coordinate the schedules, but use a qualified hood-cleaning vendor.
What causes most refrigeration failures in restaurants?
Dirty condenser coils, failed fan motors and capacitors, worn door gaskets, and blocked drains show up repeatedly. Most are preventable with regular cleaning and inspection.
What records should I keep?
Temperature logs, service reports, equipment lists, cleaning certificates, and any refrigerant service records. Having them organized by equipment saves time at inspection and when making replacement decisions.
Can the same visit cover rooftop units, walk-ins, and ice machines?
Yes, if the contractor works across all those systems. A single provider and a single schedule reduce missed items and finger-pointing when problems cross system boundaries.
Have a site this applies to?
Davinci Mechanical is the commercial and union division of Scottish Tom's Heating & Air. Send us the equipment list or the problem and we'll tell you what we'd check first.