How Infrared panels can improve an EPC Rating

SAP stands for 'Standard Assessment Procedure.' It's a calculation method used to determine your EPC rating, which measures the overall energy performance of your building. SAP is normally used for new construction properties.

On the other hand, RdSAP stands for 'Reduced Data Standard Assessment Procedure.' It's used to assess the energy performance and issue EPC certificates for existing homes. RdSAP is a simplified version of SAP that relies on assumptions about certain aspects of the building.

Now, let's discuss how far infrared (FIR) heating can help improve your EPC rating.

If you're considering a retrofit or renovation project for your property and want to obtain an EPC certification, it's important to note that RdSAP has a significant limitation. It's a reduced data assessment that assumes many aspects of the original EPC certificate remain the same, including insulation and windows. Therefore, if you want a more accurate assessment, it's advisable to avoid the RdSAP route.

The SAP formula, provides more flexibility and data options for calculating your EPC rating. RdSAP categorizes infrared heating as 'Electric Panel Heating,' which is considered inefficient. However, the SAP formula allows you to disclose the exact power usage of your electric heating, offering a more precise assessment.

To achieve a better EPC rating with FIR heating, there is a solution. If you have access to full architect's drawings, floor plans, elevations, and cross-sections of your renovated property, you can obtain a full SAP report. This will result in a more accurate EPC score.

A property that underwent an RdSAP assessment after installing FIR heating received an E rating, which is close to the lowest rating possible. However, after obtaining a full SAP report, the property's rating improved to a C because the power rating of the heaters could be recorded. This improvement of two whole grades was confirmed after a thorough audit, ensuring 100% accuracy and securing the C rating.

It's important to note that obtaining full architect's drawings and floor plans may come at a cost, depending on the service provider. However, if you intend to rent out your property, having a SAP report is crucial. In fact, without it, you may face difficulties in renting your property at all.