Dimplex Heating Calculator
Find the right electric heater for your space in just a few clicks
Our free online Heating Calculator estimates a suitable size and type of heater for your room, making selection quick, accurate, and hassle-free. Perfect for homeowners, landlords, installers, and anyone looking for clear guidance on room heating requirements. All you need to get started is a few details about your home.
For more complex, multi-room assessments, join the Dimplex PRO Installer Club to access the free Advanced Heating Calculator.
Are you a professional installer of electric heating products?
Join our Dimplex PRO Installer Club to access the Advanced Heating Calculator enabling you to:
- Create single or multi-property projects
- Design whole-home electric heating solutions
- Get tailored heating recommendations for each room
- Create professional customer proposals
Contact our support team on 0344 879 3586 or use our online form to submit your query
Request supportFAQ
The Dimplex Heating Calculator is a free online tool that helps you estimate the size and type of electric heater needed for a specific room. It’s designed to make heating selection quick, accurate, and hassle-free.
This tool is ideal for:
- Homeowners planning upgrades, facing cold rooms, or seeking guidance on heating needs and efficient solutions.
- Electricians and installers looking to choose the right product
- Wholesalers and specifiers needing fast recommendations
To get accurate results, you’ll need to know:
- Room type (e.g. bedroom, kitchen, bathroom)
- Room measurements (length, width, height) or total area
- Number of external windows and doors
These factors affect room temperature and help determine the most energy-efficient heating solution without under sizing or over sizing.
Yes. Based on your inputs, the calculator will suggest suitable Dimplex heating products that match your requirements. You can then explore product details or download the results.
Please note that Towel Rails and PLXENC are not included in this calculator.
This tool functions the same as a BTU calculator but provides heating guidance in kW which is relevant to electric heating. Many people call this tool an electric radiator calculator or room heating calculator. Regardless of its name, it’s used to help make informed decisions about your heating setup.
The calculator is designed to be a single room calculator so does not factor in heat loss and gain throughout the property. For more complex needs such as whole-home heating, extensions, or advanced insulation factors, you’ll need to:
- Be a Dimplex Pro Installer Club member to access our Advanced Heating Calculator, or
- Contact our support team on 0344 879 3586 or complete our online support form.
If you have questions or need technical support, contact us on 0344 879 3586 or complete our online support form.