As the weather cools on Vancouver Island, electric heating starts working its way back into everyday life.
For some homes, that means turning the baseboard heaters on again. For others, it might mean an electric furnace or a heat pump. And for homeowners planning a change to their heating system, fall is often when those conversations become more urgent.
Whatever type of electric heating you use, there is another part of the system worth thinking about:
the electrical system supplying it.
You don’t need to understand electrical load calculations or determine whether your panel is large enough yourself. But if you’re changing, adding or having problems with electric heating, it makes sense to bring the electrical side into the conversation early.
Your heating system doesn’t work separately from your electrical system
Electric baseboard heaters, electric furnaces and heat pumps all rely on the home’s electrical system.
If you’re simply turning an existing system back on for the season and everything is working normally, there may be nothing more to think about.
But the situation changes when you’re:
- adding new electric heating;
- replacing or expanding baseboard heating;
- replacing an electric furnace;
- installing a heat pump;
- renovating or adding finished living space;
- adding other significant electrical equipment at the same time.
The question then becomes less about the heating equipment by itself and more about what the home is being asked to support overall.
Thinking about a heat pump? Bring the electrical side in early
Heat pumps are increasingly common in BC homes, but the electrical portion of a heat-pump installation is regulated electrical work.
Technical Safety BC says that, in most residential installations, an electrical permit is required and the electrical work must be completed by a properly qualified individual working through a licensed electrical contractor. Technical Safety BC
From an electrical perspective, part of the planning is understanding what the equipment requires and whether the home’s existing electrical system can support it.
BC Hydro’s heat-pump retrofit guidance specifically recommends assessing the existing electrical system and capacity before a changeover, including whether the electrical service can supply the equipment’s power requirements. BC Hydro
That doesn’t mean:
Heat pump = panel upgrade.
It means:
Understand the existing system first.
Does new electric heating mean you need a panel upgrade?
Not automatically.
This is an important distinction.
It’s easy to assume that adding significant electrical equipment means the answer must be a larger electrical panel. But every home is different.
What matters includes:
- the existing electrical service;
- the panel and available capacity;
- what the home is already supplying;
- the electrical requirements of the proposed equipment;
- other electrical changes you’re planning.
The purpose of an assessment isn’t to find a reason to sell a panel upgrade.
It’s to determine what the home actually needs.
Sometimes additional electrical capacity or other electrical work may be necessary.
Sometimes it isn’t.
Assessment first. Recommendation second.
Modern homes are being asked to do more
Heating is only part of the picture.
A home that once had relatively straightforward electrical requirements may now be expected to support combinations of:
- electric heating;
- heat pumps;
- EV charging;
- hot tubs;
- air conditioning;
- suites;
- renovated kitchens;
- workshops;
- additional appliances and equipment.
That is why panel capacity has become an increasingly relevant conversation when homeowners are planning major upgrades.
You don’t necessarily need to know the answer before starting a project.
You simply want the electrical system considered before decisions are made that depend on it.
What about existing electric baseboard heating?
Baseboard heating can become something homeowners barely think about.
It’s installed along the wall, the thermostat gets turned up when the weather cools, and the system carries on doing its job.
But if you’re having problems with existing baseboard heating, adding heaters to another part of the home, renovating, or changing how a room is heated, it’s worth having the electrical side looked at properly.
The same principle applies to an electric furnace.
If the equipment or the way the home is being heated is changing, the electrical requirements should be part of the planning rather than something considered at the end.
Don’t start by assuming the answer
This is probably the most important point.
You don’t need to look at your electrical panel and decide for yourself whether it needs upgrading.
And you don’t need to assume a major project is required simply because you’re changing your heating.
Start with the questions:
What are we adding?
What does the home already have?
What does the electrical system actually need to support it properly?
Then make the recommendation.
That’s a much better way to approach an electrical upgrade than beginning with a predetermined answer.
Planning electrical heating work in Nanaimo?
Walls Electrical has been serving Nanaimo and surrounding Vancouver Island communities since 1995.
Whether you’re dealing with existing electric baseboard heating, an electric furnace, the electrical side of a heat-pump installation, or you’re unsure whether your panel has the capacity for the upgrades you’re planning, the first step can simply be a conversation.
Practical advice. Proper electrical work.