We use cookies to improve your experience, analyze site usage, and assist in our marketing efforts. You can accept all cookies, reject non-essential cookies, or manage your preferences.
Detailed side-by-side comparison of efficiency ratings, specifications, and performance
Firebird
Boulter
Efficiency Winner
Firebird Boilerhouse S 120-150
Best Value
Both boilers are available free through the ECO4 scheme
Both Firebird Boilerhouse S 120-150 and Boulter Bonus 65/95 are available free through the ECO4 scheme. Check your eligibility and apply today.
