1. What is Heated Square Footage?

Heated square footage refers to the area within a building that is actively heated during colder months. This calculation helps determine the actual livable space that requires heating systems and is important for real estate valuation, energy efficiency assessments, and HVAC system sizing.

2. How Does the Calculator Work?

The calculator uses the heated square footage formula:

Where:

• \( \text{Total Sq Ft} \) — Total square footage of the property
• \( \text{Heated Percentage} \) — Percentage of total area that is heated
• \( \text{Heated Sq Ft} \) — Resulting heated square footage

Explanation: This formula calculates the actual heated area by applying the heated percentage to the total square footage of the property.

3. Importance of Heated Square Footage Calculation

Details: Accurate heated square footage calculation is crucial for proper HVAC system design, energy consumption estimation, property valuation, and compliance with building codes and energy efficiency standards.

4. Using the Calculator

Tips: Enter total square footage in square feet and heated percentage as a value between 0-100%. All values must be valid (total sq ft > 0, heated percentage between 0-100).

5. Frequently Asked Questions (FAQ)

Q1: What areas are typically included in heated square footage?
A: Heated areas include living rooms, bedrooms, kitchens, bathrooms, and other spaces with active heating systems. Unheated areas like garages, unfinished basements, and porches are excluded.

Q2: How is heated percentage determined?
A: Heated percentage is calculated by dividing the heated area by total area and multiplying by 100. This can be determined from building plans or physical measurements.

Q3: Why is heated square footage important for HVAC systems?
A: HVAC systems must be properly sized based on heated area to ensure efficient operation, adequate comfort, and prevent energy waste from oversized or undersized systems.

Q4: Does heated square footage affect property value?
A: Yes, heated square footage is a key factor in property valuation as it represents the actual livable, climate-controlled space that contributes to the property's utility and comfort.

Q5: How does heated square footage differ from total square footage?
A: Total square footage includes all areas of the property, while heated square footage only includes areas with active heating systems, providing a more accurate measure of usable living space.