The FrioTecPro Blog
Practical tips on industrial refrigeration, commercial refrigeration and air conditioning
Repair or Replace Your Cold Room: How to Decide
The technical and financial criteria we use to make the right call, with real-world examples.
Preventive Maintenance Guide for Industrial Air Conditioning
What to check every quarter and every year to prevent breakdowns, cut your bill and extend the equipment’s life.
7 Warning Signs Your Industrial Refrigeration Needs Urgent Attention
Learn to spot the early symptoms of a breakdown before it costs you product and service.
Industrial Cold Room Maintenance: What Should Be Checked?
A practical preventive-maintenance guide for industrial and commercial cold rooms in Barcelona. What to check and when to call a technician.
Why Is Your Cold Room Not Cooling Enough?
The most common causes of a cold room failing to reach temperature and what should be checked before a larger breakdown occurs.
How to Reduce Commercial Refrigeration Energy Consumption
How to Reduce Commercial Refrigeration Energy Consumption. Practical advice from FrioTecPro in Barcelona.
Why Cleaning the Condenser Prevents Refrigeration Problems
Why Cleaning the Condenser Prevents Refrigeration Problems. Practical advice from FrioTecPro in Barcelona.
5 Signs a Refrigeration Compressor May Be Failing
5 Signs a Refrigeration Compressor May Be Failing. Practical advice from FrioTecPro in Barcelona.
Refrigerated Display Cabinet Maintenance: A Practical Guide
Refrigerated Display Cabinet Maintenance: A Practical Guide. Practical advice from FrioTecPro in Barcelona.
Ice and Moisture in a Cold Room: Causes and Solutions
Ice and Moisture in a Cold Room: Causes and Solutions. Practical advice from FrioTecPro in Barcelona.
Why Is an Industrial Air Conditioner Not Cooling?
Why Is an Industrial Air Conditioner Not Cooling?. Practical advice from FrioTecPro in Barcelona.
Refrigerant Leaks: Symptoms Worth Detecting Early
Refrigerant Leaks: Symptoms Worth Detecting Early. Practical advice from FrioTecPro in Barcelona.
Refrigeration Maintenance for Restaurants and Catering Businesses
Refrigeration Maintenance for Restaurants and Catering Businesses. Practical advice from FrioTecPro in Barcelona.
How to Choose a Good Refrigeration Service
How to Choose a Good Refrigeration Service. Practical advice from FrioTecPro in Barcelona.
How to Prepare Your Refrigeration Equipment for Summer in Barcelona
How to Prepare Your Refrigeration Equipment for Summer in Barcelona. Practical advice from FrioTecPro in Barcelona.
What Temperature Should a Catering Fridge Be?
A practical guide to setting and checking the temperature of a professional catering fridge.
Cold Room Door Not Closing Properly: Causes and Solutions
What to check when a cold-room door loses its seal and cooling efficiency.
Cold Room Door Gaskets: Maintenance and Wear Signs
How to spot a worn gasket before it drives up energy consumption.
Why a Cold Room Evaporator Gets Covered in Ice
Common causes of evaporator icing and what a technician should check.
Evaporator Fan Failure: Symptoms and Consequences
How a stopped evaporator fan affects temperature and air distribution.
Refrigeration Pressure Switches: What They Do and When They Fail
A clear explanation of pressure switches and their failure symptoms.
Commercial Fridge Thermostat Failure: Symptoms
Signs that a professional fridge temperature control may be failing.
Digital Temperature Controller: Errors Worth Checking
What common digital controller behaviours can indicate.
Cold Room Defrost Cycles: Why They Matter
How correct defrosting helps maintain evaporator performance.
Blocked Cold Room Drain: Causes and Prevention
Water, ice and odours can start with a poorly maintained drain.
Dirty Condenser: How It Raises Energy Use
Dirt reduces heat exchange and can increase system workload.
How to Control Nighttime Commercial Refrigeration Energy Use
Practical ways to identify unnecessary energy use outside business hours.
Refrigerated Display Lighting: Impact on Temperature and Energy
What to check when display lighting creates heat or fails.
Bottle Cooler Not Cooling Enough: Basic Checks
Doors, ventilation, condenser condition and loading can explain poor performance.
Common Problems in Catering Under-Counter Fridges
A guide to common faults in compact catering fridges.
Wine Cooler with Unstable Temperature: Common Causes
What can cause temperature swings and when to request a service visit.
Industrial Freezer with Excess Ice: What It Means
Excess ice can come from sealing, humidity, defrost or refrigeration issues.
Positive or Negative Cold Room: Differences and Uses
What changes between chilled storage and freezing at system level.
Cold Room Temperature Logging: Why It Matters
Benefits of logging temperatures and spotting trends before an incident.
Refrigeration Temperature Alarms: What to Do
An alarm does not always mean a major fault, but it should not be ignored.
What to Do When Power Fails in a Cold Room
Steps to minimise risk and check the system when power returns.
How to Restart Refrigeration After a Power Cut
What to watch after reconnecting a system and when to call a technician.
Evaporator Cleaning: When It Is Needed and What It Prevents
Dirt and residue can affect airflow, heat exchange and hygiene.
Restaurant Refrigeration Maintenance Checklist
A practical checklist for organising periodic refrigeration checks.
How to Prepare Refrigeration for a Heatwave
High outdoor temperatures can put condensers, cold rooms and displays under strain.
Industrial Air Conditioning Maintenance Before Winter
Check equipment and operating modes before the seasonal change.
Dirty Air Conditioning Filters: Symptoms and Risks
How clogged filters affect airflow, comfort and system performance.
Air Conditioner Leaking Water: Common Causes
Drainage, trays, ice and maintenance can be behind a water leak.
Air Conditioner Making a Strange Noise: What It Can Mean
Distinguishing vibration, fan and mechanical noises helps you act early.
Heat Pump Maintenance: Key Checks
What to check so the system can work efficiently in both heating and cooling.
Catering Premises Ventilation and Air Conditioning
Ventilation and air conditioning need to work together effectively.
High Humidity in Catering Premises: The Role of HVAC
Temperature, air renewal and humidity control need to be assessed together.
How to Choose the Right Cold Room Capacity
Volume, product load, ambient temperature and door openings affect system sizing.
What Maintenance Does a New Refrigeration System Need?
A new installation still needs checks, cleaning and monitoring from day one.
How Much Does Commercial Refrigeration Repair Cost?
What affects repair cost and why a proper diagnosis matters first.
Emergency Plan for a Catering Refrigeration Breakdown
What to have ready when a critical refrigeration system fails.
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Cold room temperature rises at night: common causes
Practical guide to night temperature rise: causes, checks and prevention.
Condensation inside a cold room: what it means
Practical guide to internal condensation: causes, checks and prevention.
Cold-room condenser fan: signs of failure
Practical guide to condenser fan: causes, checks and prevention.
Cold-room temperature probe: how to spot a fault
Practical guide to temperature probe: causes, checks and prevention.
Cold-room door alarm: causes and checks
Practical guide to door alarm: causes, checks and prevention.
Cold-room interior light stays on
Practical guide to cold-room light: causes, checks and prevention.
Cold-room evaporator dripping: common causes
Practical guide to evaporator dripping: causes, checks and prevention.
Frozen cold-room drain: why it happens
Practical guide to frozen drain: causes, checks and prevention.
Strange compressor noise in a cold room
Practical guide to compressor noise: causes, checks and prevention.
Cold room starts and stops constantly
Practical guide to short cycling: causes, checks and prevention.
High refrigeration pressure: possible causes
Practical guide to high pressure: causes, checks and prevention.
Low refrigeration pressure: causes a technician should check
Practical guide to low pressure: causes, checks and prevention.
Refrigeration filter-drier: when it can cause problems
Practical guide to filter-drier: causes, checks and prevention.
Expansion valve: signs of incorrect operation
Practical guide to expansion valve: causes, checks and prevention.
Blocked capillary in refrigeration: symptoms and diagnosis
Practical guide to blocked capillary: causes, checks and prevention.
Oil in a refrigeration circuit: what it can indicate
Practical guide to oil in refrigeration circuit: causes, checks and prevention.
Frost on the suction line: possible causes
Practical guide to suction-line frost: causes, checks and prevention.
Overheating refrigeration compressor: when to worry
Practical guide to hot compressor: causes, checks and prevention.
Compressor start relay: signs of failure
Practical guide to start relay: causes, checks and prevention.
Compressor start capacitor: signs of failure
Practical guide to start capacitor: causes, checks and prevention.
Fogged glass on a refrigerated display: causes
Practical guide to fogged glass: causes, checks and prevention.
Refrigerated display not holding temperature: what to check
Practical guide to display not holding temperature: causes, checks and prevention.
Sliding doors on refrigerated displays: wear and maintenance
Practical guide to sliding doors: causes, checks and prevention.
Refrigerated display defrost: how to tell if it works
Practical guide to display defrost: causes, checks and prevention.
Dirty display condenser: effects on energy use and temperature
Practical guide to dirty display condenser: causes, checks and prevention.
Bottle cooler forming ice: causes and checks
Practical guide to bottle cooler ice: causes, checks and prevention.
Bottle cooler with a very hot condenser: possible causes
Practical guide to hot condenser bottle cooler: causes, checks and prevention.
Bottle cooler door not closing: impact on cooling
Practical guide to bottle cooler door: causes, checks and prevention.
Under-counter fridge not starting: initial checks
Practical guide to under-counter fridge not starting: causes, checks and prevention.
Noisy under-counter fridge: common causes
Practical guide to under-counter fridge noise: causes, checks and prevention.
Water pooling inside a professional fridge: what to check
Practical guide to water inside professional fridge: causes, checks and prevention.
Frost on the back wall of a professional fridge
Practical guide to professional fridge frost: causes, checks and prevention.
Industrial freezer not reaching temperature: causes
Practical guide to industrial freezer not reaching temperature: causes, checks and prevention.
Excess frost in an industrial freezer: what to check
Practical guide to excess freezer frost: causes, checks and prevention.
Industrial freezer door left open: consequences and prevention
Practical guide to industrial freezer door: causes, checks and prevention.
Industrial freezer temperature alarm: quick guide
Practical guide to industrial freezer alarm: causes, checks and prevention.
Air conditioner not cooling a commercial premises: common causes
Practical guide to air conditioner not cooling: causes, checks and prevention.
Air conditioner leaking indoors: what to check
Practical guide to air conditioner leaking: causes, checks and prevention.
Dirty outdoor AC unit: symptoms and risks
Practical guide to dirty outdoor unit: causes, checks and prevention.
Commercial AC filters: when to clean them
Practical guide to commercial AC filters: causes, checks and prevention.
Air conditioner not starting: safe initial checks
Practical guide to air conditioner not starting: causes, checks and prevention.
Air conditioner short cycling: why it starts and stops
Practical guide to AC short cycling: causes, checks and prevention.
Bad smell from commercial AC: causes and maintenance
Practical guide to bad AC smell: causes, checks and prevention.
Indoor AC fan: signs of failure
Practical guide to indoor AC fan: causes, checks and prevention.
Fan noise from an air conditioner: what it can mean
Practical guide to AC fan noise: causes, checks and prevention.
Air conditioner using too much energy: how to spot the problem
Practical guide to high AC energy use: causes, checks and prevention.
Commercial refrigeration pre-summer maintenance checklist
Practical guide to pre-summer maintenance: causes, checks and prevention.
What to check on refrigeration equipment after summer
Practical guide to post-summer refrigeration check: causes, checks and prevention.
How to prepare commercial refrigeration for a business closure
Practical guide to refrigeration during closure: causes, checks and prevention.
Cold-room holding temperature: how to control it
Practical guide to holding temperature: causes, checks and prevention.