---
title: Compare Heat Pump and Boiler Running Costs — Free
description: Paste installed costs, efficiencies and your fuel prices, and read annual running cost and cost per useful heat unit.
category: household
last_verified: pending
freshness: unverified
published: 2026-09-20
canonical_url: https://gratis-ai.pages.dev/articles/heat-pump-vs-boiler-running-cost.html
companion_app_url: https://gratis-ai.pages.dev/apps/heat-pump-vs-boiler-running-cost.html
reading_time_minutes: 4
tags: heating, running-cost, comparison, household
---

# Compare Heat Pump and Boiler Running Costs — Free

Paste installed costs, efficiencies and your fuel prices, and read annual running cost and cost per useful heat unit.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $9 one-time. Nothing in the free tier is gated.

## Who it's for

Anyone seeking practical 100% free AI workflows — no paid API keys, credit cards, or subscriptions

## What's free

- one complete matrix
- cost per delivered kWh per system
- state link for a partner

## Optional paid add-on

**$9 one-time.**

- four options kept on this device
- printable comparison with assumptions
- CSV of system, cost, efficiency and running cost

## Sources & verification

- Tool: GratisAI local-first instrument (no key, no account)
- Primary source: the free tool itself (local-first, no external dependency)
- Last verification: pending (marked unverified, not assumed current)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/heat-pump-vs-boiler-running-cost.html
- Companion app: https://gratis-ai.pages.dev/apps/heat-pump-vs-boiler-running-cost.html
- This machine-readable mirror: /mirrors/heat-pump-vs-boiler-running-cost.md

*Generated free at https://gratis-ai.pages.dev/articles/heat-pump-vs-boiler-running-cost.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*