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The 20 Winters Calculator

What 20 more winters of Christmas lights actually costs you — not just the power bill.

Lifetime Parts · 4-Year Labour
Takes about 20 seconds
Edmonton homeowners

What's 20 more winters of Christmas lights going to cost?

Not just the power bill. The ladder trips, the strings you replace, the Saturdays in January. Four questions, about twenty seconds.

Question 1 of 4

How much roofline do you light?

Question 2 of 4

What kind of bulbs are on there?

Question 3 of 4

How long are they on each night?

Question 4 of 4

Who gets up on the ladder?

Winter by winter, the next 20 years
Winter 1Winter 20
$0

on Christmas lights over the next twenty years

0hours spent on a ladder
0trips up and back down

The other way to do it

Installed once, professionally
Power, all 20 years
Service allowance$300
Ladder hours, all 20 years0
Twenty year total

Want the number for your actual house?

One of our Lighting Specialists comes out, measures your roofline properly and prices it right there. Takes about twenty minutes, costs nothing, and you don't have to decide anything on the spot.

Book your free measure-upor call 587-840-6410
How we worked this out

Power is priced at 18¢ per kilowatt hour. Edmonton's energy charge on its own is around 12¢; once delivery, transmission and fees are added, Alberta bills average closer to 22.9¢. We used the middle, and we grew it 2.5% a year — power has never gotten cheaper.

Big C9 bulbs draw 7 watts each, C7s draw 5, spaced one per foot. Old mini strings work out to roughly 1.8 watts per foot, newer LED sets about 0.2. Season runs November 15 to January 15, sixty-one nights.

Ladder time is estimated at 8 hours a year — putting them up, fixing the dead section, taking them down in the cold. Replacement strings and clips at $60 a year, or $20 if you're already on LEDs.

Permanent lighting is estimated at $22 per foot installed and 0.4 watts per foot, running about 150 nights a year — holidays plus everyday warm white. Your real quote depends on your roofline, so this is a ballpark, not a price.

Why we show you the bad answer too

If you hang your own lights and you've already got LEDs, this calculator will tell you the money doesn't work. We'd rather you find that out here than after a sales pitch.

For most people it isn't really about the power bill anyway. It's about the twenty Januaries.