Residential High Density Load Guidelines (PDF)
Advice Letter 938 - Gas
Advice Letter 1785 - Electric
Make sure to regularly change the air filters on your HVAC system (at least once per month). Old, clogged filters are far less efficient than new ones.
Always call 811 before digging in your yard to avoid hitting buried gas or electric lines. Not only is it the safe thing to do, but it's the law.
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