Blog Banner

Blog

Reducing Commercial Energy Waste: How a Commercial Thermal Imaging Survey Spotlights Hidden Faults

Share via:

Picture of Michael Kiddle

Michael Kiddle

Managing Director of Hawkesworth and a nationally recognised leader in electrical and fire safety, Michael (GIFireE) directs one of the UK's leading compliance companies, safeguarding thousands of businesses each year. Through his voluntary Safe Home Initiative, he has identified and removed thousands of dangerous household appliances from vulnerable people's homes, replacing each one with a safe alternative free of charge.

Wasted energy costs money every day. Overheating electrical connections, failing equipment and deteriorating components all consume more power than they should while moving closer to complete failure. 

Visual inspections can’t see these problems. But a thermal imaging survey spots them immediately through the heat signatures they produce. 

Thermographic surveys are a proactive way to identify overheating components, overloaded circuits and failing connections before they result in costly downtime or fire risk. 

 

What Electrical Thermographic Surveys Actually Detect 

Electrical Thermographic surveys use infrared cameras to detect heat. Electrical faults generate excess heat long before they cause visible damage or complete failure. 

The thermal imaging camera identifies: 

  • Loose connections in distribution boards that create resistance and generate heat, even when connections look fine externally 
  • Overloaded circuits running hotter than properly loaded ones, showing which circuits carry too much load before they trip 
  • Corroded connections that increase resistance and generate heat, even when corrosion isn’t visible externally 
  • Failing insulation that breaks down and creates heat before causing short circuits 

All of these faults waste energy. Equipment working harder than it should draws more power. Connections with high resistance convert electrical energy into wasted heat rather than useful work. 

 

How Energy Waste from Electrical Faults Impacts Operating Costs 

A single overheating connection doesn’t seem like much. But multiply that across multiple connections, add overloaded circuits and failing components, and the wasted energy adds up. 

Equipment drawing excessive current because of electrical faults increases your power consumption. You’re paying for electricity being lost as heat rather than doing productive work. 

Failing motors run inefficiently, drawing more current to produce the same output. A thermographic survey identifies motors showing signs of electrical problems before they fail completely. 

Manufacturing facilities with heavy electrical loads see the biggest impact. Production equipment running 24/7 wastes significant energy when electrical connections aren’t optimal. Thermal imaging surveys identify exactly where that waste occurs. 

The energy cost continues until the fault gets fixed. Every day you operate with faulty connections is another day of wasted electricity you’re paying for. 

 

Why Thermal Imaging Finds Faults That Routine Inspections Miss 

Standard electrical inspections rely on visual checks and basic testing. Engineers look for obvious problems like damaged cables, burnt components or tripped breakers. 

Many electrical faults develop internally where you can’t see them. A connection might look perfect externally while running dangerously hot inside the enclosure. 

Traditional testing often requires shutting down power. Thermographic surveys work on live electrical systems. The infrared camera detects heat signatures while equipment operates normally, revealing problems that only appear under load. 

This matters for critical infrastructure. Manufacturing facilities can’t always shut down production lines. Hospitals can’t turn off power to essential equipment. Data centres need continuous operation. 

Thermal imaging surveys work without disruption. Engineers scan distribution boards, switchgear, motor control centres and electrical panels while they’re energised and under normal operating conditions. 

 

Where Commercial Thermographic Surveys Provide the Most Value 

Any commercial building with significant electrical infrastructure benefits from thermal imaging surveys. Certain environments see particularly strong returns: 

  • Manufacturing facilities: Identify failing components before they cause production downtime. A motor failure that shuts down a production line costs far more than the survey that would have caught it early 
  • Data centres: Overheating connections in UPS systems or distribution boards pose serious risks. Regular thermal imaging identifies developing problems before they cause outages 
  • Retail premises: Aging electrical installations develop connection issues over time. Spotting these early prevents fires and unexpected failures 
  • Hospitals and laboratories: Facilities that can’t shut down power for testing rely on thermal imaging to assess electrical health without disrupting critical operations 

 

How Thermal Imaging Integrates with Planned Maintenance 

Thermographic surveys work best as part of regular electrical maintenance rather than one-off exercises. 

Buildings with thermal imaging data from previous surveys can track how electrical components perform over time. A connection that was warm last year but significantly hotter this year needs attention before it fails. 

EICR testing examines fixed electrical installations every 3-5 years. Thermal imaging between EICR cycles catches problems that develop during those intervals. 

For critical equipment, annual thermographic surveys provide continuous monitoring. Year-on-year comparison shows which components are deteriorating and need replacement during the next planned shutdown. 

 

Stop Wasting Energy on Hidden Electrical Faults 

Every day faulty electrical connections run in your building, you’re paying for wasted energy and moving closer to equipment failures. 

Electrical thermographic surveys identify exactly where those faults are before they cause fires, failures or extended downtime. 

Hawkesworth provides thermal imaging surveys across the UK for commercial and industrial facilities. Our surveys work on live systems without disrupting your operations, delivering detailed reports that show precisely which connections and components need attention. 

We can schedule thermographic surveys alongside your regular electrical testing or as standalone surveys for critical infrastructure that needs continuous monitoring. 

Request a thermographic survey quote and stop paying for energy waste from hidden electrical faults. 

Our Google Reviews

5.0
Based on 203 reviews
powered by Google
Julie Hutson profile picture
Julie Hutson
09:37 02 Apr 26
We have been using Hawkesworth for many years. They provide a first class service, with friendly knowledgeable staff.
Kealey Manvell profile picture
Kealey Manvell
17:58 19 Feb 26
Great service - arrived on time to carry out PAT testing with no fuss! Would highly recommend!
Kirsty Jones profile picture
Kirsty Jones
14:39 19 Feb 26
Easy communication with a reliable and efficient service.
Steve Widnell profile picture
Steve Widnell
09:55 18 Feb 26
Friendly, efficient and helpful service from the engineer
L Vaughan profile picture
L Vaughan
14:53 11 Feb 26
Can I just say that Alistair was a great ambassador for your company and was really efficient, professional and friendly.
Paul Cowell profile picture
Paul Cowell
15:35 28 Jan 26
We had our yearly Pat Testing completed. The operative was very friendly and helpful. I would recommend to anyone who is considering using Hawkesworth and we will definitely be using them moving forward annually ...
Sophie Hodkinson profile picture
Sophie Hodkinson
16:36 13 Jan 26
Both very professional, approachable and very well organised, which made the whole process run smoothly. Everything was explained clearly, disruption was kept to a minimum, and it was obvious they take pride in doing the job properly.

Several people commented on how efficient and pleasant you were to deal with.

Thanks again for your hard work — it was genuinely appreciated. We would be more than happy to have the same engineers again next year.
Chris Holbrow profile picture
Chris Holbrow
16:04 11 Dec 25
I’ve been using Hawkesworth for over seven years across various businesses for PAT testing, and they have consistently delivered an outstanding service. The booking and planning team are always friendly, helpful, and efficient, making the process smooth from start to finish.
The engineers they send are professional, polite, and trustworthy, qualities that really matter when working on-site in financial businesses. Our regional office managers have repeatedly commented on how impressed they were with the care and consideration shown during testing, both for our property and our staff.
Hawkesworth truly go above and beyond to provide a turnkey solution that ensures PAT testing is carried out correctly and with minimal disruption. I would 100% recommend them to anyone looking for a reliable, customer-focused company.

Thank you, Hawkesworth!
Nicholas Burn profile picture
Nicholas Burn
11:42 04 Dec 25
As a new customer of Hawkesworth, I wanted to share my positive experience after using multiple services. From the moment I submitted an online enquiry, I received an immediate response—Debbie was incredibly helpful in explaining all the services Hawkesworth offers.

The follow-up process was seamless, with appointments scheduled promptly and honored as agreed. Every engineer who visited our site delivered exceptional service. They kept us informed about upcoming visits, arrived on time, and throughout the work, they were attentive to our company’s needs, going above and beyond to ensure excellent customer care.
The services provided included PAT testing, fire extinguisher checks, and emergency lighting inspections.

Based on this experience, I would highly recommend Hawkesworth to other businesses.
Gaby Wilks profile picture
Gaby Wilks
07:20 28 Oct 25
GeneFirst Ltd has been using Hawkesworth Appliance Testing for the last 2 years at our current site location.
Last year I had the pleasure of meeting Kobla Dogbatse the PAT engineer from Hawkesworth and he was fantastic.
Kobla, was efficient and thorough with his work, he was polite and pleasure to have on site.
He was respectful to all staff members by trying to limit any distraction or disturbance when conducting his work on any appliances that the team would be using.
This year I was lucky enough to have Kobla come back and I was thrilled to have him back as I knew the work would be done to the highest standards.
I allowed him to continue with his work without supervision and once finished he came into my office with a smile on his face and said everything is done and its all good.
I would highly recommend Hawkesworth to other companies as they are efficient with their communication and their engineers are a pleasure to have on site.
Thank you again for the great work and I hope to continue using your services in the future.

Related