Heating Cost Formula:
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The Heating Cost Comparison Calculator estimates annual heating expenses based on energy consumption, operating hours, energy rates, and system efficiency. It helps compare different heating systems and make informed decisions about heating solutions.
The calculator uses the heating cost formula:
Where:
Explanation: The formula calculates total energy consumption adjusted for system efficiency to determine actual annual operating costs.
Details: Accurate heating cost estimation is crucial for budgeting, comparing different heating systems, optimizing energy efficiency, and making informed decisions about heating upgrades or replacements.
Tips: Enter heating capacity in BTU/hr, annual operating hours, energy rate in USD per unit, and system efficiency as a percentage. All values must be positive numbers with efficiency between 0-100%.
Q1: What is BTU/hr and how do I find it?
A: BTU/hr (British Thermal Units per hour) measures heating capacity. Check your heating system's specifications or nameplate for this information.
Q2: How do I estimate annual operating hours?
A: Consider your climate, insulation quality, and typical heating season. Average homes may use 1,000-2,000 hours annually depending on location.
Q3: What energy rates should I use?
A: Use current utility rates for your energy source (natural gas, electricity, oil, propane). Check recent utility bills for accurate pricing.
Q4: How do I determine system efficiency?
A: Modern furnaces typically have 80-98% AFUE ratings. Check manufacturer specifications or consult with a heating professional.
Q5: Can I compare different fuel types?
A: Yes, but ensure you're using consistent units and appropriate efficiency ratings for each fuel type (gas, electric, oil, etc.).