Every installation carries a workmanship guarantee, manufacturer warranties (up to 30 years on panels, 15 years on Duracell batteries), and a TrustMark insurance-backed guarantee that protects you even if the installer ceases trading.
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Guarantees and aftercare
Every installation comes with three layers of protection. You get a workmanship guarantee from the installer, manufacturer warranties on each component typically lasting ten to fifteen years, and a TrustMark insurance-backed guarantee registered under number three five five nine nine three zero that covers you if the installer ceases trading.
Every installation is backed by workmanship guarantees, manufacturer warranties, and an insurance-backed guarantee. Here is exactly what covers you, who provides it, and how to make a claim if you ever need to.
What workmanship guarantee do you get?
Installation work is guaranteed by Home Heating Services (Scotland) Ltd, covering wiring, mounting, sealing, and commissioning — typically 5–10 years.
All installation work is guaranteed by Home Heating Services (Scotland) Ltd (SC484353). This covers the quality of the physical installation — wiring, mounting, sealing, and commissioning.
Duration varies by system type: typically 5–10 years. Your proposal will state the exact term.
What manufacturer warranties are included?
Panels carry 25–30 year warranties, inverters 10–12 years, Duracell batteries 15 years, and Tesla Powerwall 10 years — all direct from the manufacturer.
Equipment warranties are provided directly by the manufacturer. Typical ranges:
- Solar panels: 25–30 year performance warranty
- Inverters: 10–12 years (extendable on some brands)
- Duracell Dura5 battery: 15 years
- Tesla Powerwall 3: 10 years
What is the insurance-backed guarantee?
As a TrustMark-registered business, the installer provides an insurance-backed guarantee that protects you even if the company ceases trading.
As a TrustMark-registered business (3559930), our installation partner provides an insurance-backed guarantee (IBG). This protects you even if the installer were to cease trading.
The IBG is issued at the point of installation and registered with TrustMark. You receive a copy in your handover pack.
What aftercare is included?
Monitoring alerts, annual performance reviews, warranty support, and one phone number for everything — ongoing after your installation.
After installation, we stay in touch:
- • Monitoring alerts if your system underperforms
- • Annual performance review
- • Warranty support and liaison with manufacturers
- • One phone number for everything: 0141 230 0198
How do you make a complaint?
Contact us first by phone or email. If not satisfied, escalate to TrustMark's dispute resolution scheme — details are in your guarantee documents.
- Contact us first — call 0141 230 0198 or email info@scottishenergyefficiency.co.uk. We aim to acknowledge within 2 working days and resolve within 10.
- Escalate to TrustMark — if you are not satisfied, contact TrustMark's dispute resolution scheme at trustmark.org.uk/homeowner/dispute-resolution.
- TrustMark ADR — as a TrustMark-registered installer, our partner participates in alternative dispute resolution (ADR). Details are in your guarantee documents.
You might also find useful
- → How it works — the step-by-step process from enquiry to switch-on
- → Complaints — our formal complaints procedure and TrustMark dispute resolution
Questions about warranties or guarantees?
Call us and we will walk you through exactly what covers your installation.