GH Coastal Cooling recently appointed Green Zone Surveys to carry out Enhanced TM44 air conditioning inspections across three sites for one of their clients.
By choosing Green Zone’s enhanced approach over a standard TM44 assessment, the end client gained a greater understanding of their energy usage as well as clearly identified efficiency opportunities. This case study highlights the key findings and demonstrates the added value delivered by Enhanced TM44 inspections.
The Green Zone Approach
The assessments included:
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Inspection of every accessible air conditioning unit
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Creation of fully verified AC asset registers
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Review of system condition and controls
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Identification of efficiency improvements
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Highlighting of targeted cost-saving opportunities
This deeper level of analysis provided the client with far more than compliance alone.
Inspection Outcomes
The Enhanced TM44 surveys uncovered clear opportunities to reduce energy use and improve efficiency, including system optimisation measures, opportunities to review equipment sizing and consideration of on-site renewable options.
For two of the sites, the largest potential saving identified was the installation of solar PV panels. At the third site, the most significant opportunity came from correcting oversized air conditioning systems to better match the cooling demand.
In addition to these key opportunities, a range of operational and best practice improvements were highlighted to support ongoing system efficiency, such as optimisation of control settings and maintenance routines. These findings provide the client with a roadmap for improving HVAC performance and supporting long-term energy management objectives.
Major Added Benefits
One of the most valuable outcomes of the Enhanced TM44 route was the creation of complete and verified air conditioning asset registers across all three sites. Major benefits to this now come from:
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Full visibility of the AC estate
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Stronger F-Gas compliance support
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Improved maintenance planning
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Greater audit readiness
For multi-site organisations such as this one, this provides a strong foundation for future energy and maintenance strategies.
Shared Feedback
Daniel Marsh, Director at GH Coastal Cooling, commented:
"It was a pleasure to work with Green Zone Surveys. The site visits were organised quickly and everything ran smoothly. They made the whole TM44 compliance process easy for both us and our client and would strongly recommend an enhanced TM44. I look forward to working with Green Zone Surveys again on future projects."
Cameron McLean, Green Zone’s Technical Team Regional Supervisor, commented on the inspections he carried out at the sites:
"On the day of the inspections, I met with the Facilities Manager on-site to discuss plans and expectations for the survey and enhanced report. While undertaking the inspection of the sites, many savings opportunities were identified, each with the potential of great cost savings for the company. If a number of the identified recommendations are implemented, it would be entirely possible for the sites to save thousands of pounds a year across their portfolio."
Conclusion
By choosing Enhanced TM44 inspections, the end client moved beyond a tick-box compliance exercise for their portfolio and gained meaningful insight into the performance of their air conditioning systems.
Green Zone Surveys was proud to support GH Coastal Cooling and their client with a detailed, evidence-based assessment that not only ensures compliance, but also helps inform smarter operational and investment decisions.
To learn more about our TM44 Air Conditioning Inspections click here.
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