Home Heating Oil Cost & Efficiency Simulator

CURRENT ANNUAL COST

$4,154.38

Baseline: 80% AFUE Furnace

ADJUSTED ANNUAL GALLONS

977.5 gal

Weather Index: 1.15×

UPGRADED ANNUAL COST

$3,323.50

With 100% AFUE / Heat Pump Equivalent

POTENTIAL ANNUAL SAVINGS

$830.88

20.0% annual bill reduction

Household & Climate Controls

Heating Oil Price ($/gallon) $4.25

Market retail delivery price per gallon

Winter Weather Severity (HDD Index) 1.15×

Heating Degree Days multiplier relative to normal season

Current Furnace Efficiency (AFUE) 80%

Annual Fuel Utilization Efficiency of installed system

Efficiency Upgrade Target (AFUE) 100%

High-efficiency condensing furnace (95-98%) or hybrid heat pump offset (100%)

Baseline Heating Demand (Gallons/yr) 850 gal

Calibrated for a typical ~2,200 sq ft New England detached home

Seasonal Consumption & Cost Curve

Oct - Apr Peak Heating Cycle

Note on Seasonal Distribution: Approximately 72% of annual heating oil is consumed between December and February. High degree-day months amplify bill volatility when per-gallon prices spike.

Heating Degree Day (HDD) Distribution

Month	Share	Current Gallons	Monthly Bill

Efficiency Upgrade Financial Analysis

Baseline Annual Fuel Used	850 gal
Weather Severity Factor	1.15×
Adjusted Annual Gallons	977.5 gal
Current System Cost (at current AFUE)	$4,154.38
Upgraded System Equivalent Cost	$3,323.50
Net Annual Heating Bill Savings	$830.88
Estimated 5-Year Cumulative Savings	$4,154.40
Estimated 10-Year Cumulative Savings	$8,308.80

Calculated assuming steady fuel price baseline and uniform degree-day seasons. Condensing boilers and air-source heat pumps provide substantial resilience against oil price swings.

Household & Climate Controls

Seasonal Consumption & Cost Curve

Heating Degree Day (HDD) Distribution

Efficiency Upgrade Financial Analysis

Audit Summary Artifact Preview