Component health & thermal monitoring

Know your PC's temperature before it fails you.

CoolCore is a step-by-step health check for CPUs, GPUs, and cooling systems — built to catch overheating early and keep every component running at a safe temperature.

Safe CPU ceiling
85°C
Safe GPU ceiling
83°C
Checks included
14
Close-up of an open PC case interior with a thermal probe placed near the CPU heatsink

Heat is the quiet killer of PC hardware.

Dust buildup, worn thermal paste, and clogged fans raise operating temperatures gradually — long before a crash makes the problem obvious. CoolCore turns that slow decline into something you can measure, track, and fix on a schedule, instead of finding out the hard way.

10–15°C

Typical drop after a full dust and repaste service

6 mo

Recommended interval between full health checks

90%

Of thermal shutdowns trace back to airflow, not the chip

3 yr

Average lifespan of factory-applied thermal paste

Everything the check covers

A complete pass through the parts that generate heat, move air, and report the numbers you rely on. Each result is paired with context, not just a color-coded warning.

CPU thermal monitoring

Idle and load readings against your chip's rated ceiling, with throttle-point flags. The report separates normal boost behavior from sustained heat that can shorten component life.

GPU temperature check

Core and hotspot deltas reveal a dying fan or dried-out pad long before artifacting starts. You get the gap, the load condition, and a practical next step for your exact pattern.

Fan & pump inspection

RPM curves, bearing wear, and dead-zone detection cover case fans, coolers, and AIO pumps. We compare the sound and speed profile so replacement decisions are based on evidence.

Dust & airflow audit

Intake and exhaust balance, filter condition, and heatsink fin blockage are assessed together. That combination finds the airflow restriction a single temperature reading cannot explain.

Sensor calibration

Cross-checks onboard sensors against an external probe at the intake and heatsink. The report notes any offset so you do not tune a fan curve around a misleading number.

Thermal paste life

We assess paste age, spread, and visible pump-out around the contact surface. You get a clear repaste-or-wait recommendation tied to your load temperatures and service history.

How a health check runs

  1. 01

    Measure

    Log idle and full-load temperatures across CPU, GPU, VRM, and chipset over a 20-minute stress pass.

  2. 02

    Diagnose

    Compare readings against safe ceilings and airflow expectations to isolate the actual bottleneck.

  3. 03

    Service

    Clean, repaste, or reseat the parts the diagnosis flagged — nothing that's already healthy.

  4. 04

    Verify

    Re-run the same stress pass and confirm the drop before calling the job done.

Built for the checks that actually matter

CoolCore isn't a temperature app that just shows a number. It's a structured checklist that tells you what a reading means and what to do about it.

  • Component-specific safe ranges, not generic thresholds
  • Load-testing sequence built into every check
  • Plain-language fix recommendations, ranked by impact
  • Before/after verification so you know the fix worked
CPU package62°C
GPU core68°C
GPU hotspot81°C
VRM temp71°C
Intake airflowRestricted
Case fans3 / 3 active

Diagnostic & service kits

Everything needed to run the check and act on it, sold separately or bundled.

Thermal paste syringe, microfiber cloth, and cleaning wipes laid flat

Repaste Kit

High-conductivity paste, cleaning wipes, and applicator card for a careful CPU or GPU repaste. The kit is sized for one complete service and includes a simple cleanup sequence.

$24

Inquire
Small USB thermal sensor probe with cable

USB Probe Sensor

Independent temperature reference for calibrating onboard sensors and checking suspicious readings. Place it beside the heatsink or intake to understand the difference between chip heat and room airflow.

$39

Inquire
Pair of matte black 120mm case fans

Airflow Fan Pair

Matched intake and exhaust 120mm fans for balanced case pressure without adding a harsh mechanical hum. Use the pair to replace a noisy bearing or correct a case that is starving for fresh air.

$58

Inquire
Anti-static brush, compressed air duster, and dust filter sheets

Dust & Filter Kit

Anti-static brush, duster, and replacement mesh filters for a full clean pass. It gives you the tools to clear fins safely, refresh the intake, and keep the next inspection consistent.

$19

Inquire

Field notes

A shutting-down workstation, traced to one clogged filter

A three-year-old editing rig had started shutting down mid-render. Sensors alone pointed at the GPU, but a full check showed intake filters caked with dust, starving every component of fresh air. A clean, a repaste, and a filter swap brought load temperatures down 14°C with no parts replaced.

Read more about our approach →

Before a check

  • Fans ramp to full speed under light load
  • Random shutdowns during long sessions
  • Frame drops that get worse over time
  • No idea which component is actually at fault

After a check

  • Fan curves matched to real thermal load
  • Stable temperatures confirmed under stress test
  • A clear service log to reference next time
  • Confidence the hardware is running as designed

What people found

"I assumed my GPU was failing. It was a fan bearing worth twelve dollars to replace."
— Home builder, San Jose
"The before/after readings made the repaste worth it — an 11°C drop under load, confirmed on the spot."
— Streaming setup owner
"Finally a checklist that explains what each temperature actually means instead of just showing a number."
— Small studio IT lead

Health check plans

Home Check

$49

A single full diagnostic pass on one system, with a written summary.

  • 14-point component check
  • Stress-test verification
  • Written recommendations
Book a check

Business Fleet

Custom

Scheduled checks across multiple workstations, with a shared service log.

  • Volume scheduling
  • Fleet-wide reporting
  • Priority booking
Talk to us

Common questions

What temperature counts as overheating?

It depends on the component. Most modern CPUs are rated safe up to roughly 90–100°C under sustained load, but performance and longevity are better protected by staying under 85°C. GPUs vary by model; the check compares your readings against your specific hardware's rated ceiling rather than one fixed number.

How often should I run a full check?

Every six months for a typical home setup, or every three months in dusty environments or heavy workstation use. A quick sensor check is worth doing any time you notice louder fans or new instability.

Can I do this without opening the case?

Sensor monitoring and load testing can be done with the case closed. Dust, paste, and fan inspection require opening the case, which is included in the Pro Diagnostic and Business Fleet plans.

Do you check laptops as well as desktops?

Yes. The same diagnostic sequence applies, though service options are more limited on sealed laptop chassis.

What if the check finds nothing wrong?

That's a good outcome — you leave with a written baseline reading to compare against in the future, which is useful on its own.

From the field notes

Guide

Reading GPU hotspot vs. core temperature

Why the gap between the two numbers matters more than either one alone.

Maintenance

Signs your thermal paste needs replacing

Three readings that reliably point to dried-out paste instead of a failing fan.

Airflow

Positive vs. negative case pressure, explained

A simple fan-count rule that prevents most dust-related overheating.

A repeatable routine

Turn one diagnostic into a maintenance rhythm.

Healthy temperatures are not a one-time achievement. Use the same checkpoints throughout the year so small changes become visible before they become expensive failures.

01

Monthly glance

Spend five minutes checking idle temperature, fan noise, and dust around the intakes. Record anything that feels different from your normal baseline.

02

Seasonal clean

Every three months, inspect filters, clear the front panel, and confirm that exhaust air is moving freely. A restricted filter can undo an otherwise capable cooling system.

03

Six-month check

Run the full CPU and GPU load sequence, compare hotspot deltas, and review fan curves. This is the right interval for most home and studio systems.

04

Annual service

Open the case for a deeper inspection of paste, pads, bearings, and cable clearance. Finish with a fresh written baseline so the next year has a reference point.

One method, many setups

A clear answer for every kind of PC.

Cooling problems show up differently in a gaming tower, a quiet workstation, and a compact laptop. The check keeps the same evidence-first sequence while adapting the thresholds and service recommendations to the machine in front of us.

SetupPrimary riskBest first move
Gaming towerGPU hotspot driftCheck airflow and fan curve
Creator workstationLong-load throttlingRun a sustained stress pass
Compact desktopRestricted intakeInspect filters and clearances
Performance laptopShared heat pipesCompare CPU/GPU balance

Why CoolCore

Maintenance without guesswork or upselling.

The goal is not to replace parts. The goal is to understand the thermal story, make the smallest effective intervention, and leave you with proof that it worked.

Protect the baseline

We capture what normal looks like before recommending a change. That protects you from chasing harmless sensor variation or replacing healthy hardware.

Measure under load

Idle temperatures can look perfect while a render or game pushes the system past its comfort zone. Every meaningful conclusion is tested where the heat actually appears.

Plan the next check

Your report ends with a useful date, not a vague reminder. You will know what to watch, when to return, and which change would matter most if the trend continues.

Book a health check

Reach out with your system's specs and what you're seeing, and we'll recommend the right plan.