Heat Loss Calculator

The Bisque Heatloss Calculator is provided as a guideline only to indicate a suitable radiator output that will keep your room at a comfortable and efficient temperature. We offer a bespoke design service at our London Showroom, where our friendly team will help you find the most efficient and attractive heating solution for your space – click here to arrange an appointment.

Step 1: Select your calculator

Step 2: Floors (all fields required)
Step 3: External Walls & Windows (all fields required)
Step 4: Variation
- Cooler Room
- Exposed Situations
- Internal Room With Fan Extraction
- All window walls
- Single Storey Building
- Ceiling without Insulation on Top Floors and Single Storey buildings
- Floor with Insulation
- Velux Windows / Skylights
Step 4b: Velux / Skylight Options

Step 2: Type
Step 3: Variation
- For background heat only

Your room requires an output of... WATTS

Valves

Accessories

Heat Loss Calculator

Step 1: Select your calculator

Step 2: Floors (all fields required)

Step 3: External Walls & Windows (all fields required)

Step 4: Variation

Step 4b: Velux / Skylight Options

Step 2: Type

Step 3: Variation

How to select a radiator

Ask the experts