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Company details
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Collide is a London-based heating engineering company specialising in HIU service, HIU repair, HIU installation, and HIU power flushing for residential blocks, housing associations, property managers, and homeowners across Greater London. We service and repair every major Heat Interface Unit (HIU) brand, including Danfoss, SAV, Switch2, Alfa Laval, Caleffi, Thermal Integration, and EvoFlat. Whether you have no hot water, low heating pressure, a noisy unit, or you're scheduling annual HIU maintenance for a whole block, our Gas Safe engineers deliver a fast, clean, fully-documented service — usually same-day across Camden, Islington, Hackney, Tower Hamlets, Southwark, Lambeth, Wandsworth, and Westminster. What we offer: 🔧 HIU Repair from £150 — same-day callouts, no hot water and no heating fixes 🛠️ HIU Service & annual maintenance — compliant with manufacturer schedules 🏢 Bulk HIU Servicing for blocks, estates, and managing agents 💧 HIU Power Flushing to restore performance and efficiency Why residents and property managers choose Collide: Gas Safe registered, fully insured engineers Transparent fixed pricing — no hidden callout fees Detailed service reports for compliance and warranty records Trusted by leading London managing agents and housing associations 5-star rated for punctuality, cleanliness, and clear communication
Contact info
United Kingdom
- collidegroup.co.uk
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