Steam Generator Iron Buying Guide: Key Features
By Buy Kettles, Toasters, Irons & More Online | Russell Hobbs UK | Published: 2026-10-19
Category: Buying Guides
Learn the key features to look for when buying a steam generator iron, including steam pressure, soleplate type, and anti-scale protection.
Quick answer
Focus on steam pressure (bar), continuous steam output (g/min), soleplate material, and anti-scale features. A model with at least 4.5 bar pressure and a stainless steel soleplate handles most fabrics efficiently.
Steam pressure and output matter most
Higher bar pressure forces steam deeper into fabric layers, removing creases faster. Continuous steam output (measured in g/min) determines how well the iron handles thick fabrics like denim or linen without you having to pause. A 4.5 bar pressure with 90g steam output is a solid benchmark for household use.
Soleplate material affects glide and durability
Stainless steel soleplates are durable and glide smoothly over most fabrics. Non-stick coatings can reduce drag but may wear over time. If you iron frequently, a stainless steel soleplate offers longer life and consistent performance.
Tank size and anti-scale protection save time
A larger water tank (e.g., 1.3L) means fewer refills during long ironing sessions. Anti-scale systems prevent mineral buildup that can clog the steam vents and reduce performance over time. If you live in a hard water area, anti-scale protection is especially important.
Decision rules for choosing a steam generator iron
- Steam pressure: Look for at least 4 bar. Higher pressure (e.g., 4.5 bar) penetrates more fabric layers and cuts ironing time.
- Continuous steam output: Aim for 80–100 g/min for effective wrinkle removal on cottons and linens. Lower output may require repeated passes.
- Soleplate type: Stainless steel offers durability and smooth glide. Non-stick is lighter but may degrade. Choose based on how often you iron.
- Anti-scale system: Essential if you have hard water. It prevents clogging and extends the iron's lifespan. Some models have built-in cartridges or self-cleaning functions. Check if replacement cartridges are available for your model.
- Water tank capacity: A 1.0–1.5L tank suits most households. Larger tanks reduce refill stops but add weight. Balance capacity with your ironing volume.
Product facts
- SteamPower™ Aqua Steam Generator: The SteamPower™ Aqua has a 4.5 bar pressure and 90g steam output, with a stainless steel non-stick soleplate and a 1.3L tank. This combination handles tough creases on multiple layers without constant refills, making it ideal for large laundry loads.

SteamPower™ Aqua Steam Generator
Which iron fits you?
Best for
- Households with heavy ironing loads (sheets, shirts, denim) who want to finish in one session
- Users who prefer durable stainless steel soleplates and anti-scale protection
Not ideal for
- Occasional users who iron only a few items and prefer a compact, lightweight traditional iron
