Watching the equipment between visits

Remote Monitoring

Remote HVAC monitoring puts sensors on your equipment and eyes on the trend. A rooftop unit losing capacity announces itself for weeks before anyone notices — in temperatures, amps and run hours. We would rather read that than read a complaint ticket.

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Service Agreements Building Automation Rooftop Units Chillers

Drift Is Visible Before Failure Is

Almost nothing in a mechanical room fails without warning. It fails without anyone watching.

24/7Equipment watched

35+Years of field data

300+Five-star reviews

AllMakes supported

Works on equipment with no building controls

Monitored by the Crew That Services It

NATE-Certified Technicians

24/7 Emergency Service

Licensed & Insured · #19HC00444000

Catch it before the tenant does

Remote HVAC Monitoring for Commercial Buildings

Consider a packaged unit over a tenant suite. In April it delivers air twenty degrees colder than what returns to it. By mid-May the split is seventeen degrees, by June it is fourteen, and the compressor is running twice as long for the same space temperature because the charge is slowly walking out of a joint on the liquid line. Nobody calls in April. Nobody calls in May. Somebody calls on the first ninety-degree Thursday in July, by which point the machine has been running hot and long for eight weeks and the repair is no longer a leak search.

That is the whole argument. Air conditioning monitoring systems do not make equipment more reliable by themselves; they make degradation visible while it is still cheap. Two data points that would each look normal in isolation — a supply temperature and an amp reading — become a diagnosis when you can see six weeks of them next to the outdoor temperature.

What we install depends on the building. Where there is already a controls system, we read from it. Where there is not — which is most standalone rooftop equipment in Northern New Jersey — we fit our own sensors to the unit and send the data over a cellular gateway that never touches your network. Either way, the readings come back to the same people who service the equipment, which is the part that makes them worth anything.

Works on equipment with no building automation and no network drop
Thresholds set against how your equipment actually behaves, not a generic default
Trends reviewed by technicians, not just forwarded as automated alerts
Unmanned sites watched the same as staffed ones

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Where It Earns Its Keep

Unmanned SitesRetail units, warehouses and houses of worship where nobody is there to notice a fan that stopped.

Multi-Tenant PropertyWhere the first report of a problem is a lease complaint rather than an engineer’s log.

Hard-Access BuildingsRoofs reached through a tenant suite, or plant rooms that need a badge and a booked window.

Spaces That Cannot DriftServer rooms, laboratories, cold storage and anywhere product or equipment is at stake.

Signals and what they mean

What We Watch, and What Drift Looks Like

A single reading is almost never interesting. A reading moving in one direction against stable outdoor conditions almost always is. These are the ones that pay for the sensors.

Signal	What drift looks like	What it usually means
Supply and return air temperature	The split between them narrowing week on week at similar outdoor conditions	Losing charge, a fouling evaporator, or airflow rising because a filter fell out of its rack
Compressor current draw	Amps creeping up for the same load, or a start current spike getting longer	Condenser coil fouling, a failing start component, or a bearing on its way out
Run hours and cycle count	Longer run times holding the same space temperature, or cycles per hour climbing	Lost capacity, an oversized stage, or a control sequence fighting itself
Filter differential pressure	A steady climb, or a sudden drop to nothing	A loaded filter starving the coil — or a filter that has collapsed and is now bypassing
Outside air damper position	Never moving, or fully open in January	A seized economizer actuator, burning gas to reheat outdoor air nobody asked for
Space temperature against setpoint	A gap that opens every afternoon and closes overnight	A zone that has outgrown its equipment, or solar load nobody accounted for
Schedule and after-hours operation	Equipment running through the night or on Sundays	An override left in after a service call, or a schedule never updated when the tenant changed
Condensate and pan level	Water present where it should not be	A blocked trap or flat pan, and a ceiling stain two floors of complaints in the making

Pair With a Service Agreement Building Automation

How it attaches to your equipment

Two Ways In

If the building already has a controls system, the fastest route is to read the points it already has over its existing protocol. Nothing new goes on the roof, and we get supply air, setpoints, damper positions and alarm states from day one. The limitation is that a controls system only knows what it was wired to know, and older front ends are frequently missing the electrical signals that make a mechanical diagnosis possible.

Where there is no controls system, or where the points are thin, we fit sensors directly to the unit: thermistors in the supply and return, current transformers around the compressor and fan circuits, a differential pressure sensor across the filter bank, and a contact for condensate. Those feed a small gateway with its own cellular connection. No IT ticket, no drop, no firewall conversation, and nothing on your network for your security team to worry about.

Either way you get a picture of each asset over time. Alarms handle failures that already happened; the value is in the trends, which is why the review is a person and not a rule engine. A plot that looks alarming on a mild week is often normal in a heat wave, and only somebody who works on this equipment tells the difference reliably.

What You Get Back

Failure AlarmsLoss of power, a unit that stopped, a space out of range. Raised as soon as the condition is seen.

Drift FlagsSignals moving the wrong way over weeks, reviewed and turned into a repair recommendation.

Asset SummaryA periodic report per unit — what ran, what changed, and which machines are aging fastest.

Better Visit PlanningThe technician arrives knowing which unit to open first and what to bring for it.

What it changes for a building

Fewer Surprises, Better Arguments

Monitoring does not fix anything. It changes when you find out, and what you can prove.

Found Before Reported

A unit degrading in May becomes a scheduled repair in May, instead of an emergency and an unhappy tenant in July.

Shorter Site Visits

Half the diagnosis is done before the truck leaves. The technician brings the right part rather than coming back for it.

Evidence for Capital

Two seasons of trend data is a far stronger replacement case than a technician’s opinion, and it survives review by people who have never seen the roof.

Waste You Can See

Equipment running out of hours, economizers stuck shut, and simultaneous heating and cooling all show up in the data long before they show up in a utility bill.

Getting started

From Survey to Watched

Decide What Is Worth Watching
Not every unit needs instrumenting. We pick the assets whose failure hurts — over tenant space, over critical rooms, or old enough to be the likely next problem.
Fit and Commission the Points
Read existing controls where they exist, fit sensors and a gateway where they do not, then verify each point against a meter so the data is trusted from day one.
Learn the Baseline
A few weeks of normal running across a range of outdoor conditions. Thresholds come from what your equipment does, because a healthy old unit and a healthy new one do not look alike.
Watch, Triage, Report
Alarms triaged as they arrive, trends reviewed on a cycle. Recommendations arrive with the plot attached, so the reasoning is visible rather than asserted.

Tired of Finding Out From Your Tenants?

Remote monitoring on the equipment that would hurt most if it stopped quietly. Ask us what it would take on your building.

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Practical questions

Remote Monitoring FAQs

What is remote HVAC monitoring?

Instrumenting equipment so its operating condition can be read continuously from off site. Temperatures, electrical draw, pressures, damper positions and run time are sampled, stored and plotted, so a machine that is slowly losing capacity can be identified from the shape of the data rather than from somebody standing next to it. It is not the same as a building automation system, which is there to control equipment. Monitoring only observes.

Will it work on our rooftop units? They have no controls at all.

Yes, and that is the common case. Standalone packaged units with nothing but a thermostat get their own sensors: thermistors in the supply and return airstreams, current transformers on the compressor and fan circuits, a filter differential sensor and a condensate contact, wired to a small gateway on the unit. Nothing about the machine’s operation changes. It simply becomes legible.

Does this need our IT department?

Normally not. The gateway carries its own cellular connection, so there is no network drop to pull, no address to allocate and nothing sitting on a corporate network. Where a building already has a controls system on its own network and you would rather we read from that, we will work with whoever administers it — but for most standalone equipment the answer is that nobody in IT ever hears about it.

What happens when an alarm fires at three in the morning?

It reaches the service desk and is triaged against the asset. Plenty of overnight alarms are not emergencies — a unit in defrost, a space drifting while unoccupied, a sensor knocked loose — and those are noted and handled on the next visit. Genuine failures over occupied or critical space are escalated, and you are contacted with what we can already see, so the conversation starts from data.

Does monitoring replace maintenance visits?

No, and anyone selling it that way is overstating it. Sensors cannot change a filter, clean a coil, tighten an electrical lug or inspect a heat exchanger. What they do is make the visits better targeted and stop the gaps between them from being blind. Monitoring and a planned maintenance agreement are complementary, and buildings that run both get the most out of either.

What can monitoring not catch?

Anything sudden and mechanical — a snapped belt, a seized bearing, a lightning-damaged board — shows up as a failure, not as a warning, because there was no gradual signal to see. It also cannot see what it is not instrumented for: refrigerant pressures without transducers, or duct leakage anywhere. We are direct about which failure modes a given sensor package will and will not catch before you buy it.

Can we see the data ourselves?

Yes. Facility teams usually want the live view of the assets they get asked about; ownership usually wants the periodic summary. Both are available. What we would rather you not do is treat the raw plots as a to-do list — reading these signals correctly needs someone who has had the panels off this class of equipment.

Monitored territory

Buildings We Watch

Monitoring travels further than a truck does, which makes it particularly useful on the outer edges of our footprint.

Bergen County Hudson County Essex County Passaic County Union County Morris County Somerset County Sussex County Warren County New York City All service areas

Scope it out

Which Units Would You Instrument First?

Tell us what is on the roof and which spaces cause the most trouble. We will come back with a sensible short list rather than a proposal to wire everything.

(866) 749-6331Monitoring and service enquiries

mail@icshvac.comAsset lists and points schedules

Carlstadt (shop & warehouse)736 Gotham Parkway, Carlstadt, NJ 07072

Belleville (main office)267 Cortlandt Street, Belleville, NJ 07109

Englewood Cliffs120 Charlotte Place, Suite 201, Englewood Cliffs, NJ 07632

Licensed & insuredNJ Master HVACR #19HC00444000

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