The Ultimate Guide to Choosing the Right Industrial Heater for Your Factory

Factory Heaters • April 15, 2025

Introduction: Why Choosing the Right Factory Heater Matters


Selecting the wrong industrial heater can lead to:
❌ 
Sky-high energy bills
❌ 
Uneven heating and cold spots
❌ 
Frequent breakdowns and costly repairs


With leading brands like Winterwarm, Rinnai, and ATAG offering different strengths, this guide will help you:

✅ Calculate your exact heating requirements
✅ 
Compare different heater types and technologies
✅ 
Select the most cost-effective and efficient solution
✅ 
Avoid common purchasing mistakes



Let’s find your factory’s perfect match!


A row of water heaters are lined up on a wall.

Step 1: Calculate Your Heating Needs


Key Factors to Consider:

  • Factory Size (m²) – Larger spaces need higher BTU output
  • Ceiling Height – High ceilings require more powerful airflow
  • Insulation Quality – Poor insulation increases heat loss.
  • Process Requirements – Some industries (e.g., food, pharmaceuticals) need precise temperature control.


Pro Tip: Use our free heating calculator or consult our experts for a custom heat load assessment.



Step 2: Compare Heater Types



1. Warm Air Heaters (Best for Large, Open Spaces)

✔ Fast heating with powerful airflow
✔ 
Ideal for warehouses, workshops, and hangars

Top Picks:
🔹 
Winterwarm WWH Series – High-velocity fans for even heat distribution.
🔹 
Rinnai EXH Series – Ultra-efficient gas-fired heating.



2. Indirect Gas Heaters (Best for Dusty or Ventilated Areas)

✔ Sealed combustion (no fumes inside)
✔ 
Perfect for factories with dust, fumes, or ventilation needs

Top Pick:
🔹 
ATAG QX Series – 94% efficiency with low NOx emissions.



3. Electric Radiant Heaters (Best for Spot Heating)

✔ Instant, targeted warmth
✔ 
Great for assembly lines or loading bays

Top Pick:
🔹 
Winterwarm ESH Series – Energy-efficient infrared heating.


Step 3: Match Your Industry Needs


4: Consider Running Costs & Efficiency


Key Metrics:

  • Thermal Efficiency (%) – Higher = lower fuel waste.
  • kW Output vs. Space Size – Oversized heaters waste energy.
  • Smart Controls – Programmable thermostats save up to 30% on bills.


Best for Efficiency:

  • ATAG QX Series – 94% efficiency with modulating burners.
  • Rinnai EXH Series – Self-diagnosing for optimal performance.



Step 5: Avoid These 3 Common Mistakes

🚫 Choosing Based on Price Alone – Cheap heaters cost more long-term.
🚫 Ignoring Maintenance Needs – Some systems require more servicing.
🚫 Overlooking Future Expansion – Will your heater cope with growth?


Why Choose Winterwarm, Rinnai & ATAG?

  • Winterwarm – British-made, rugged & customisable.
  • Rinnai – Global leader in gas heating tech.
  • ATAG – Ultra-efficient Dutch engineering.


Final Decision: Which Heater Wins for You?

Still unsure? Answer these 3 questions:

  1. What’s your factory size and ceiling height?
  2. Do you need spot heating or full-space warmth?
  3. What’s your budget (upfront vs. long-term savings)?


Need Expert Advice? Call 0800 123 4567 or Browse Our Range Today!


Ready to Buy? Explore Top Models:

🔥 Winterwarm Heaters
🔥 
Rinnai Commercial Range
🔥 
ATAG Industrial Solutions




A high-output warm air heater like the Winterwarm WWH Series.

Not usually – Gas is typically 3x cheaper per kWh in the UK.



Yes – ATEX-rated models are available.

Yes – our Gas Safe engineers cover the Northwest UK regions.



Most Winterwarm & Rinnai models ship within 48 hours.



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