sustainable radiators Archives - Lojimax — Designer Aluminium Radiators & Towel Rails

Free Tool

Lojimax · Heating Solutions

Heat Requirement
Calculator

Find the ideal radiator or towel rail for your room

Answer a few simple questions to calculate your room's BTU and Watt requirement.

Based on dimensions, insulation and window type — get your personalised heating output in minutes.

Takes about 2 minutes · 8 easy questions · Instant result

Step 1 / 8

Room Type

Which type of room are you calculating for?

Step 2 / 8

Room Dimensions

Enter width, height and length in metres.

Width (m)

m

Height (m)

m

Length (m)

m

Window Area (m²)

m²

Please fill in all fields.

Step 3 / 8

What is Below This Room?

Floor type significantly affects heat loss.

Step 4 / 8

What is Above This Room?

Roof and upper floor insulation matters a lot.

Step 5 / 8

External Wall Type

Wall construction determines thermal conductivity.

Step 6 / 8

Number of External Walls

How many walls face directly outside?

Step 7 / 8

Window Type

Glazing type has a major impact on heat loss.

Step 8 / 8

Climate Region

Local climate directly affects your heating requirement.

?

Calculating

Finding the ideal heat output for your room…

Heat Requirement Result

BTU

0

WATT

0

—

Room Summary

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