1. What is a Propane vs Electric Heat Calculator?

Definition: This calculator compares the cost of generating heat using propane versus electricity based on BTU output and energy prices.

Purpose: It helps homeowners and businesses determine which heating method is more cost-effective for their needs.

2. How Does the Calculator Work?

The calculator uses two formulas:

Where:

• \( Cost_p \) — Cost using propane ($)
• \( Cost_e \) — Cost using electricity ($)
• \( BTU \) — Heat output in British Thermal Units
• \( Price_p \) — Propane price ($/gallon)
• \( Price_e \) — Electricity price ($/kWh)

Explanation: The formulas convert BTU output to the equivalent amount of propane (1 gal = 91,000 BTU) or electricity (1 kWh = 3,412 BTU) needed, then multiplies by the respective energy prices.

3. Importance of Heat Cost Comparison

Details: Comparing heating costs helps make informed decisions about energy use, potentially saving hundreds of dollars annually.

4. Using the Calculator

Tips: Enter the heat output in BTU, propane price (default $3.50/gal), and electricity price (default $0.15/kWh). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why 91,000 BTU per gallon of propane?
A: This is the standard energy content of propane, though actual efficiency may vary based on appliance efficiency (typically 80-95%).

Q2: How accurate are these calculations?
A: They provide theoretical estimates; actual costs depend on appliance efficiency, heat loss, and other factors.

Q3: Should I consider other factors besides cost?
A: Yes, consider installation costs, maintenance, environmental impact, and local availability of fuels.

Q4: Where can I find my current energy prices?
A: Check your utility bills - propane prices per gallon and electricity rates per kWh should be listed.

Q5: Which is typically cheaper?
A: This varies by region and market prices. In many areas, propane is cheaper per BTU, but electric systems often have higher efficiency.