Boiler engineer serving Windsor and nearby districts. Call 01628 369247 or request a free quote.


Gas Safe boiler engineers serving Windsor
Windsor’s mix of period properties, apartments and extended houses can place very different demands on heating and hot-water systems. We diagnose the existing installation before discussing repair or a correctly sized replacement. ATD Electrical & Heating Services repairs, services and installs boilers for domestic and suitable commercial properties.
Boiler and heating services
- Boiler fault diagnosis and repairs
- Annual boiler servicing
- New boiler installation and replacement
- Heating controls and smart thermostats
- Radiator, circulation and pressure problems
- Powerflushing and system cleaning where appropriate
- Landlord Gas Safety Certificates (CP12)
- Central-heating and hot-water fault finding
We work on Worcester Bosch, Vaillant, Ideal, Potterton, Baxi, Glow-worm and most other major brands. See our full gas and heating services.
Repair or replace?
We consider the fault, boiler age, parts availability, system condition and likely running costs. A replacement is not recommended simply because a repair is inconvenient; where replacement is sensible, a written planned-work quote is available.
Gas safety and emergency advice
ATD is Gas Safe registered, registration no. 653994. If you smell gas, do not operate electrical switches or use naked flames. Leave the property and call the National Gas Emergency Service free on 0800 111 999. For boiler breakdowns without a suspected leak, call ATD on 01628 369247.
Office hours are Monday–Friday, 8am–6pm, with emergency callout support outside normal office hours. Clear pricing before work starts • No hidden charges • Fixed quotes available for planned work.
What a boiler diagnosis covers
A no-heating or no-hot-water complaint is not always caused by the boiler itself. Controls, valves, pumps, system pressure, circulation and electrical supplies may all contribute. In Windsor, we test the relevant parts of the system, explain the likely cause and discuss parts availability before proceeding. This helps avoid unnecessary component changes.
Planning a replacement boiler
A planned boiler installation should consider property size, hot-water demand, existing pipework, flue route, condensate disposal, controls and the condition of the wider heating system. We explain the proposed appliance and scope, including any system preparation or remedial work, before providing a fixed quotation. Manufacturer warranties depend on correct installation, registration and ongoing servicing.
Areas around Windsor we cover
Dedworth, Clewer, Spital, Old Windsor, Eton, Datchet, Wraysbury, Oakley Green, Fifield, Winkfield and Ascot. ATD is based at 1 Old Forge Close, Maidenhead SL6 2RD and travels to customers across these surrounding areas; we do not present a false local office in Windsor.
Verified local trust
Google currently shows ATD Electrical & Heating Services rated 5.0 from 45 reviews. Read genuine Google reviews.
Frequently asked questions
Do you repair boilers in Windsor?
Yes. We diagnose and repair most major boiler brands, subject to parts availability and the condition of the appliance.
Can you install a new boiler in Windsor?
Yes. We assess heating and hot-water requirements before proposing a suitable boiler and controls.
Do you service Worcester, Vaillant and Ideal boilers?
Yes. We service Worcester Bosch, Vaillant, Ideal, Potterton, Baxi, Glow-worm and most other major brands.
What should I do if I smell gas?
Leave the property, avoid switches and naked flames, and call the National Gas Emergency Service on 0800 111 999 before arranging repairs.
