Blog
Testo 549i Buying Guide for UK HVAC Engineers (2026)
Should you buy the Testo 549i? Specs, who it suits, and how it compares with analogue manifolds. From £120.75.
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Smart Refrigeration Gauges: A UK Engineer's Guide
How wireless smart probes replace analogue manifolds: digital vs analogue, calibration and ecosystem for UK engineers.
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Superheat & Subcooling Calculator: Testo App Guide
Step-by-step superheat and subcooling with the Testo Smart App and 549i probe, with R32 and R410A examples.
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Essential HVAC Tools List for UK Engineers (2026)
The kit a UK apprentice actually needs to start work — and realistic 2026 startup costs.
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Refrigerant Recovery Cylinder: A UK Guide (2026)
F-Gas duties, sizing, safe handling and recertification for refrigerant recovery cylinders in the UK.
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Refrigerant Recovery Machine: UK Buyer's Guide (2026)
Choosing a recovery machine by workload, F-Gas compliance and the companion gauges you need.
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