Heating with electricity is usually a more environmentally friendly option to natural gas, and certainly more so than heating with oil, though sometimes the cost of electric heat is higher. Which province are you in, and do you already haveelectric heating? You are right that theheat generated by light bulbswill contribute to heating your home, which is a benefit in winter, but definitely not in summer. There is more about theefficiency and cost of electric heatinghere this page –
Why Electric Heating Systems are Best for Zero Energy Homes
Even in Canada where that heat is a benefit in winter, most Canadians live in areas where summers are extremely hot, so incandescent bulbs will ad to the discomfort in summer months, or ad to the cooling bill. There is an easy 1/3rd of the year where you won’t want the heat from those bulbs.
And about your specific case - if you noticed a difference in comfort whenswitching from incandescent bulbs to LED，那么你家发生了一些有趣的事情，而我对构建科学取证的嗜好让我很好奇。
I figure you either have - a super-efficient house where a few 100W incandescent light bulbs makes a difference, or you could have had a ton of incandescent bulbs in an older less efficient house. But normally a home heating system is designed to match the worst weather (and more) of a specific climate. So something may be buggy if you’re finding yourself too cold now with LED bulbs.
But as for your original question, we’d need more details. I assume by ‘payout’ you are looking for the return on investment time for converting from gas to electric heat? That depends on what you installed, and utility rates. So – have you already made the switch? What system did you install? And let us know where you are located too.
It is impossible to come up with an accurate number for you given the amount of variables (cost of each respective fuel supply, cost of systems and equipment, operational cost, total heat load of the house, etc..) so don’t get your hopes up too high for an answer but we can at least point you in the right direction to figure it out if you can get your hands on the above mentioned variables.
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