— Our Services
Commercial Boiler Repair Services
— About This Service
Expert Commercial Boiler Repair Services from Welm Facilities
Our Gas Safe-registered engineers lead every commercial repair, with owner Mike Gui supervising complex plant-room diagnostics and repairs. Based in Manchester and operating within a typical 40-mile radius, Welm Facilities Maintenance Ltd prioritise fast, safety-first responses to reduce business downtime. We cover packaged boilers, hot-water plant and control systems across a wide range of makes and sizes.

— Our Process
How It Works
Emergency Triage
Call our commercial line and a qualified engineer will triage the fault over the phone, advising on isolation, safety and whether to attend immediately.
On‑site Diagnosis
A Gas Safe-registered engineer completes systematic diagnostics in the plant room, identifies root cause and provides a clear repair plan and timescale.
Repair, Test & Handover
We carry out repairs with manufacturer-approved parts where possible, complete safety checks and issue a written fault report and recommendations to prevent recurrence.
— Benefits
Why Choose us for Commercial Boiler Repair Services?
Minimised business downtime
Team-led diagnostics and a practical spares approach get boilers and hot-water systems back online quickly to protect staff, customers and processes.
Gas Safe registered engineers
All gas work is carried out by Gas Safe-registered engineers (Gas Safe No. 563107) — every repair completed to current legal and safety standards with full certification on completion.
Commercial experience & range
From packaged boilers and plant-room burners to controls and heat interface units, we repair a wide variety of makes and commercial plant-room equipment.
Commercial-focused repairs with plant-room expertise. We specialise in commercial packaged boilers, hot-water plant, calorifiers, burner overhauls and control faults. Our engineers work methodically through plant-room systems — burner, pump, valve and control diagnostics — producing a clear fault report and practical remedy that reduces repeat call-outs.
Local, responsive service across Greater Manchester. Based in Manchester, Welm Facilities Maintenance Ltd cover a typical 40-mile radius and provide emergency call-outs and planned contract work. For urgent commercial faults call 07854896435 or 0161 706 0206, or email mike@welmfm.com. All gas work is carried out by Gas Safe-registered engineers (Gas Safe No. 563107).
37+
Five-Star Reviews
7
Specialist Services
3+
Industry Accreditations
7+
Areas Covered
— FAQ
Frequently Asked Questions
We repair a wide range of commercial plant including packaged boilers, modular plant, calorifiers, and heater banks. Engineers are experienced with burner systems, pumps, valves and BMS interfaces — if a manufacturer part is required we source approved replacements where possible.
— Related Services
Other Services We Offer
37 Five-Star Reviews
— REVIEWS
What Our Customers Say
— Mark Watson
— Anthony McLoughlin
