Heatbox Savings Calculator
Ferroman Heatbox
What could your
furnace save?
Heatbox preheats combustion air with electricity, so your furnace can deliver the same heat while burning less gas.
Get an estimate from our team
Email Anton Johansson for an estimate while the online calculator is being prepared.
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Your inputs
Share some details about your furnace.
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Your estimate
See at a glance whether Heatbox could pay off at your site.
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Your report
Our team will email the full PDF within two business days.
How Heatbox fits your furnace
Heatbox adds electric heat upstream of the burner. You keep your furnace and burners. We assess electrical capacity, airflow and duct connections for each installation.
Your data and privacy
Ferroman Engineering AB uses your contact details and inputs to prepare your report and answer your enquiry. Sales follow-up is optional. You can withdraw your choice by replying to a follow-up email.
Sales & estimates
Anton Johansson
Head of Sales – Heating & Energy Solutions
Technical questions
Björn Ahlqvist
Project Owner / Technical Expert