Heating & Cutting Bills
Gas Stoves vs Wood and Pellet Stoves: Which Is Cleaner and Cheaper in 2026?
Gas, wood and pellet each win on something — and lose on something else. There is no single "best"; there's the right one for your priorities.
The three, side by side
| Gas stove | Wood stove | Pellet stove | |
|---|---|---|---|
| Effort | Flick a switch | High — fuel & tending | Low — auto-fed, thermostatic |
| Efficiency | High (modern units) | ~75% (Ecodesign, dry wood) | 75–85% |
| Fuel cost | Metered, ~7p/kWh | ~6p/kWh, free if self-sourced | £6–9/15kg bag, dearer per kWh |
| Works in a power cut | Not really (controls) | Yes — needs nothing | No — needs 100–200W mains |
| Emissions / air quality | Cleanest at point of use, but fossil | Clean if dry wood + Ecodesign | Very clean, controlled burn |
| Self-sufficiency | Low (fossil, metered) | Highest | Medium |
So which is actually "cleaner"?
It depends what you mean by clean. At the point of use, gas burns cleanest for local air quality — but it's a fossil fuel, so its carbon footprint is fixed and its price only trends upward. Wood is low-carbon if it's sustainably sourced and burnt dry in a modern Ecodesign stove — but a smoky fire of wet wood is genuinely dirty, dropping to 8–50% efficiency and pumping out particulates. Pellet splits the difference: renewable, and a very clean, tightly-controlled burn, at the cost of needing mains power and bought-in fuel. "Cleaner" therefore means gas or pellet for local air, but wood (done right) for carbon and independence.
And which is cheaper?
Per unit of heat the three are closer than you'd think — gas around 7p/kWh, wood around 6p, pellets a little dearer. The real cost gap opens up on how you use them. Heat your whole house and gas usually wins on convenience-per-pound. Heat the one room you're sitting in with a stove and switch the boiler off, and wood pulls decisively ahead — and if you can source your own logs, nothing else comes close.
The carbon and green question
There's a third measure beyond cost and air quality: carbon. Wood is treated as low-carbon because a sustainably managed forest regrows and reabsorbs the CO₂ released — but that only holds if the wood is genuinely sustainably sourced and burnt efficiently; wet wood in a poor stove wastes both heat and carbon. Gas is a fossil fuel: its carbon is dug up and released for good, and it sits on a cost trajectory that only trends upward as carbon is priced in. Pellets are usually compressed sawmill waste — a by-product given a second life — so they burn clean, though processing and transport add some embodied energy. For a household weighing green credentials, sustainably sourced local wood, burnt dry in an Ecodesign stove, is the lowest-carbon and most local of the three; gas is the highest-carbon; pellet sits in between.
Want zero fuss? Gas. Want the cleanest automated burn with power on tap? Pellet. Want cheap, resilient, self-sufficient heat that keeps working when everything else is off? Wood, burnt properly. There's no universal winner — only the right match for what you value most.
Where we stand
For a self-sufficient home — cutting bills, riding out power cuts, heating an off-grid property — a wood stove is the standout, provided you'll do the graft and burn dry wood. Pellet is the comfortable middle ground where convenience and a clean burn matter more than blackout resilience. Gas is the easiest but the least independent, and it ties you to a fossil meter. Match the stove to your priority, not to a "best buy" badge — because on the things that matter to a self-sufficient household, wood wins on the two that count: cost, and standing up when the grid falls over.
Read on: benefits of a wood stove → · what a pellet stove is → · the cost maths →