Conversion Calculator

Step #1: Use the pulldown menus to provide some basic information about your home.

Step #2: Indicate the type of heating system, water system, appliances, etc. you are considering switching to natural gas to see cost comparisons.

Step #3: Click on the "Calculate Savings" button below to add up your potential savings.

STEP #1 - Indicate your household characteristics

Please choose the geographic location of your home


STEP #2 - Indicate all equipment and appliances you are considering switching to natural gas


Please choose the efficiency of the heating system

Please indicate if your current heating system has a pilot light

Please indicate if you have or want to compare prices with a programmable thermostat

Select any other appliances you wish to compare with natural gas

STEP #3 - Click

* Annual savings amounts, savings percentages and "more expensive" percentages include HST.
** Natural gas vs. oil comparisons calculate heating and/or water heating costs & savings only.
*** Natural gas vs. wood comparisons calculate fireplace costs & savings only.
**** Estimated CO2 generation based on Canada's Emission Outlook Update, Energy Policy Branch, Natural Resources Canada (downloaded from Better Buildings).

Comparative data

The "Energy Cost and Natural Gas Savings Calculator" is provided as an illustrative tool, which gives customers an idea as to the amount of annual energy costs using natural gas as compared to alternative energy sources such as heating oil, propane, electricity, and wood. A customer's actual annual cost may vary due to energy prices, weather, lifestyle, equipment efficiency, and implemented household energy savings measures.

The annual energy cost, savings and comparisons are based on the following price or rate schedules;

EB-2017-0092 natural gas rate 1, effective April 1, 2017

Distribution Charge

Transportation Charge

Load Balancing Charge

System Sales Gas Supply Charge

Rate Block Dec-Mar Apr-Nov Dec-Mar Apr-Nov Dec-Mar Apr-Nov Dec-Mar Apr-Nov
(¢ cubic metre) (¢ cubic metre) (¢ cubic metre) (¢ cubic metre)
30 10.1291 10.1291 5.4313 5.4313 0 0 11.3759 11.3759
55 9.5803 9.5803 5.4313 5.4313 0 0 11.3759 11.3759
85 9.1504 9.1504 5.4313 5.4313 0 0 11.3759 11.3759
170 8.83 8.83 5.4313 5.4313 0 0 11.3759 11.3759
RIDER C (0.4762) (0.4762) (0.4762) (0.4762) (0.4762) (0.4762) (0.4762) (0.4762)
RIDER D (6.5211) (6.5211) (6.5211) (6.5211) (6.5211) (6.5211) (6.5211) (6.5211)

  • Heating oil price: 1.045 $/l - Statistics Canada the latest available delivered price at time of analysis (February 1, 2017).
  • Electricity rate: 0.15 $/kWh - Toronto Hydro new residential rate effective January 1, 2017 (does not include Ontario Clean Energy Benefit).  
    • For Regulated Price Plan Tiered Pricing: For Regulated Price Plan Time-of-Use Pricing: 18.0¢/kWh on-peak price, 13.2¢/kWh mid-peak price, and 8.7¢/kWh off-peak price. Other electricity rate components are as follows: distribution charge 1.512¢/kWh, transmission charge 1.330¢/kWh, wholesale market service rate 0.36¢/kWh. The cost of electricity does not include HST. It also does not include any fixed charges including the customer charge. All other effective charges were included in the price of electricity, although not specifically shown here.
  • Propane price: 0.582 $/L - the latest available delivered price as a time of analysis (February 1, 2017). 
  • Wood price: 850 $/Full Chord 
  • 20 lb. propane tank price: 39.99 $/Tank retail price 
  • All of the above prices per unit exclude the 13% HST and the Ontario Clean Energy Benefit. 

The comparisons use equivalent heating equipment efficiency ratings for natural gas, propane and heating oil. i.e.: high efficiency heating systems are 90% efficient for the above listed energy sources and conventional/mid efficient heating systems are considered to be 80% efficient. The electric heating systems are rated as 100% efficient.

The water heater systems are assumed to be 62% efficient for natural gas and propane energy sources, and 55% efficient for home heating oil energy using equipment. Electric water heating systems are rated with a 95% efficiency rating. Other appliance/equipment efficiency ratings are as follows:

  • Dryer - natural gas: 85%, electric: 100%
  • Fireplace - natural gas: 65%, electric: 100% 
  • Stove - natural gas: 52%, electric: 75% 
  • Pool & spa heater - natural gas: 62%, propane: 62%, electric: 95%

Water heating and non-heating appliances' average prices are marginal average prices based on the incremental load to the heating load.

"N/A" responses are the result of a not applicable comparison, or a non-savings result.