Critical Cooling Solutions
Public liability insurance is unverified
Skills
- Air Conditioning Installation
- Air Conditioning Repair
- Air Conditioning Servicing
- Emergency Air Conditioning Service
Services
Customer Reviews
Write a review9.93 /10
Based on 5 reviews over the past 12 months
Quality of work
10
Reliability
9.8
Communication
10
Reviews (5)
10 Air Conditioning Repair
Posted 11 June
Identifying the fault(s) on a recently installed system. Fixing the problem and testing the units.
Our AC system was only installed in Oct ‘25, and it failed on first proper use in the recent hot spell of weather. We then discovered that the original installation company had been compulsorily dissolved, with no access to repairs. We were very nervous in appointing a new engineer to resolve everything. Having spoken with Darren, we became much more comfortable, and ultimately employed him to do the work. His communications were excellent, his time keeping spot-on, and his work methodical. He made us feel confident that we had made the right choice. We are now ready for the next heatwaveVerified reviewerJob location: N11RGerry D10 Air Conditioning Servicing
Posted 08 June
Reliable and knowledgeable
Outstanding Service from Darren at Critical Cooling Solutions We recently had Darren carry out a full maintenance visit on our air conditioning units, and we couldn’t be more impressed. From the outset, Darren demonstrated an exceptional level of knowledge and professionalism. His appraisal of each unit was thorough and detailed, he clearly knows these systems inside out. Darren cleaned all the units comprehensively and carried out a full operational check to ensure everything was running as it should. What really stood out, however, was his attention to detail beyond the scope of the job:Verified reviewerJob location: N89.67 Air Conditioning Repair
Posted 31 May
Professional AC maintenance
Darren fixed my noisy condensate pump issue. His work was neat and tidy. Initially I hired him for a noisy pump issue. I ended up asking him to service all four units. I highly recommend him.Verified reviewerJob location: HA2RCharles V10 Air Conditioning Repair
Posted 31 May
Outstanding service
Outstanding service all round from Darren. Very responsive, dealt with the problem efficiently and really fair pricing. Highly recommended.Verified reviewerJob location: W1F10 Air Conditioning Repair
Posted 30 May
Legendary Service
There is nothing worse than your AC dying when you need it most, Darren turned a stressful situation into an absolute masterclass in customer service. If you are dealing with an AC issue, stop looking around and just call Darren. Zero Guesswork: Darren didn't just guess at the problem. He diagnosed the issue with surgical precision, explained why it happened in plain English, and fixed it on the spot. I’ve dealt with HVAC techs in the past who try to upsell you an entirely new unit the second a unit fails, Darren is the exact opposite. Our house is a freezing-cold oasis again Thank you ✨Job location: EN11
Photos
Company Info
Owner
Mr Darren Touzalin
Sole Trader
Member since 2026
VAT Registered
No
I have been a HVAC technician for 22 years.. Located in London. Qualified City & Guilds levels 1, 2 and 3 advanced air conditioning & refrigeration along with F gas certificate. I am REFCOM registered providing service, maintenance repairs and upgrades on big chillers providing cooling to big offices and data centres through processed chilled water. Throughout this time I have also worked on smaller equipment like split units for homes and offices and multi split systems like VRV and VRF systems . I am capable of providing F gas checks and leak testing. A/C leaking water or blowing out warm air when it should be cold? I can diagnose and create cost effective solutions to stop and prevent nuisance problems.
