Commercial HVAC: every answer
Commercial HVAC problems, sorted by how fast you need to move.
For the owner or manager of a restaurant, shop, office, clinic or warehouse with a rooftop unit or split system. Tap what you are seeing. Prefer to tap through? Start the commercial hvac triage.
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- Right nowA gas smell means everybody out, then the utility
- Right nowA hood that is not pulling is a fire risk, and it is a hood contractor's job
- Right nowA warming walk-in is a refrigeration call, and the food clock is already running
- Right nowCO alarm: leave, call 911, do not silence and carry on
- TodayA dead unit is usually power: breaker, roof disconnect or a tripped safety
- TodayAfter-hours service: know the premium before you say yes
- TodayBefore you call anyone, find out who owns the unit
- TodayClogged filters choke the unit and can freeze the coil
- TodayNo heat in the space: check power and thermostat, then call
- TodaySomething else: the general first aid for a commercial system
- TodayWarm air with normal airflow: condenser fan, capacitor, compressor or refrigerant
- TodayWater from a diffuser is condensate with nowhere to go
- This weekA jump in the power bill is the unit telling you something
- This weekA stuck economizer pulls in outside air the unit cannot handle
- This weekStuffy air and headaches: check outside air before anyone sells you a purifier
- This weekThermostat wars are usually a zoning or airflow problem, not a people problem
- Plan itA fair maintenance contract names the visits, the tasks and the after-hours rate
- Plan itReplacing a rooftop unit: the crane, the curb and the permit are the quote