Our Heating Services
Professional heating services from Sigma Plumbing & Heating
Our Services
Boiler Installation
Gas Safe engineers who install energy-efficient boilers with full commissioning and manufacturer-backed warranties. Fast, clear communication across Milford Haven and nearby villages.
Learn more
Boiler Servicing
Annual boiler servicing by Gas Safe Registered engineers in Milford Haven. Combustion testing, safety checks, cleaning and a clear after‑service report to keep your heating safe and efficient.
Learn more
Boiler Repair
24/7 emergency and non-urgent boiler repairs across Milford Haven. Rapid fault-finding, Gas Safe Registered engineers and manufacturer-approved parts to restore heating and hot water safely.
Learn more
Hybrid Boiler Installation
Intergas Xtend hybrid systems designed and installed for Milford Haven homes — combine a gas boiler with a heat pump to cut energy use, emissions and running costs, backed by manufacturer warranties and local aftercare.
Learn more
Evohome Smart Heating
Smart zoning with Honeywell Evohome: control up to 12 heating zones, cut wasted heat and manage your Milford Haven home remotely using the Total Connect Comfort app.
Learn more
Oil Boiler Services
Full Navien oil boiler services in Milford Haven: expert installations, thorough annual servicing and fast repairs. Local engineers, manufacturer-backed installs and 24/7 emergency support.
Learn more
Oil Boiler Repair
Fast, dependable oil boiler repairs in Milford Haven. Simon, a Gas Safe-registered engineer, uses specialist diagnostic kit and manufacturer-grade parts to fix ignition, nozzle and pump faults with full safety checks.
Learn more