No-obligation quotes

Gas Safe #651285

10‑year warranty

Finance available

Your local boiler installation company

Serving Edinburgh & the Lothians

Professional fitting of Ideal, Vaillant & Worcester Bosch by Gas Safe engineers. First-year service included.

Our installations start from £2,200 including VAT — every install includes a 10-year parts & labour warranty and your first-year service.

No-obligation quotes

Gas Safe #651285

10‑year warranty

Finance available

Your local boiler installation company

Serving Edinburgh & the Lothians 

Professional fitting of Ideal, Vaillant & Worcester Bosch by Gas Safe engineers. First-year service included.

Our installations start from £2,250 including VAT — every install includes a 10-year parts & labour warranty and your first-year service.

Gas Safe Registered

Ideal Partner

Vaillant Advanced Installer

Worcester Accredited

5★ Reviews

Choose Your Package

All include a 10-year warranty and first-year service. Prices include VAT.

Great Value

Standard • Ideal Logic+

From £2,200 inc VAT

  • Ideal Logic+ 24 kW — £2,200
  • Ideal Logic+ 30 kW — £2,300
  • Ideal Logic+ 35 kW — £2,450

Best Seller

Enhanced • Vaillant ecoTEC Pro

From £2,340 inc VAT

  • ecoTEC Pro 24 kW — £2,340
  • ecoTEC Pro 28 kW — £2,390
  • ecoTEC Pro 30 kW — £2,415

Top Tier

Premium • Worcester Bosch 4000

From £2,666 inc VAT

  • Greenstar 4000 25 kW — £2,666
  • Greenstar 4000 30 kW — £2,816

About Us

Since 2018, C1 Boilers has been dedicated to keeping homes across Edinburgh and the Lothians warm, comfortable and energy efficient. We are known locally for professionalism, attention to detail and consistent service. Our Gas Safe registered engineers are fully qualified to carry out boiler installations, full heating system upgrades, servicing and safety certifications.

With years of industry experience, we combine technical expertise with a friendly, approachable manner, ensuring every job is completed with care. Our mission is simple: to provide a service that is straightforward, reliable and offers great value for money, keeping your home warm and your heating running efficiently all year round.

Spread the cost

Finance options from 1–10 years available. Illustrative calculator below (excludes interest/fees). We’ll confirm exact finance terms in your quote.

From £38 / month (illustrative)

Our Process

Quick postcode check & instant online quote

Site survey or photo submission

Fixed-price quote issued for approval

Installation scheduled to suit you

Aftercare & first-year service included