Home Back

Calculate Electric Radiator Size For Room

Electric Radiator BTU Formula:

\[ BTU/hr = Volume (m³) \times \Delta T (°C) \times 34 \]

°C

Unit Converter ▲

Unit Converter ▼

From: To:

1. What Is Electric Radiator Sizing?

Electric radiator sizing calculates the required heating capacity in BTU/hr to effectively heat a room based on its volume and desired temperature difference. Proper sizing ensures efficient heating and energy consumption.

2. How Does The Calculator Work?

The calculator uses the standard BTU calculation formula:

\[ BTU/hr = Volume (m³) \times \Delta T (°C) \times 34 \]

Where:

Explanation: This formula accounts for the room's heat loss characteristics and the temperature differential needed to maintain comfortable heating.

3. Importance Of Proper Radiator Sizing

Details: Correct radiator sizing prevents energy waste from oversized units and ensures adequate heating from undersized units. Proper sizing improves comfort, reduces energy costs, and extends equipment lifespan.

4. Using The Calculator

Tips: Measure room volume accurately (length × width × height). Determine ΔT by subtracting the coldest expected outdoor temperature from your desired indoor temperature. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What if my room has poor insulation?
A: For poorly insulated rooms, consider using a higher multiplier (40-45 instead of 34) to account for greater heat loss.

Q2: How do I calculate room volume?
A: Multiply room length × width × height in meters. For irregular rooms, divide into rectangular sections and sum the volumes.

Q3: What ΔT should I use?
A: Typical ΔT is 20-25°C (desired 21°C indoor minus -4°C to 1°C outdoor), but adjust based on your climate and comfort needs.

Q4: Can I use this for multiple rooms?
A: Calculate BTU requirements for each room separately, as heating needs vary based on room size, windows, and insulation.

Q5: What about room-specific factors?
A: Consider additional factors like window area, external walls, and ceiling height which may require adjusting the calculated BTU value.

Calculate Electric Radiator Size For Room© - All Rights Reserved 2025