Are my baseboard heaters and heat pump fighting each other in Surrey?

Baseboard heaters and a heat pump can absolutely work against each other if they are not set up to cooperate, and it is one of the more common efficiency complaints in Metro Vancouver homes that have added a mini-split to an electrically heated space.

What "fighting" actually looks like

The heat pump brings a room to temperature efficiently, but if the baseboard thermostat in the same room is set at or above the heat pump's target, the baseboard kicks in simultaneously or immediately after the heat pump cycles off. You end up paying for resistance heat at roughly three times the operating cost of the heat pump, which defeats the purpose entirely. The reverse can also happen in cooling mode: the heat pump cools the space while a baseboard thermostat senses a drop and calls for heat.

The fix is straightforward in principle. Set every baseboard thermostat in rooms served by the heat pump at least 2°C to 3°C below the mini-split's set point. The baseboard then acts as a true backup, only coming on if the heat pump cannot keep up during a cold snap, which in Surrey typically means nights below about -5°C to -8°C. For most of the heating season, the baseboards should stay silent.

If you have a multi-zone mini-split covering several rooms, go through each room and dial the baseboard thermostat down. A common mistake is leaving one thermostat at its original setting and wondering why the hydro bill barely moved after the heat pump install.

The bigger efficiency gain comes from not running both systems at the same target temperature at the same time. That single adjustment can cut your resistance heat use dramatically without any new equipment.

For a more permanent solution, some homeowners replace the baseboard thermostats with smart or programmable models set to a fixed low setback, or have an electrician wire the baseboards to a central controller that locks them out whenever the heat pump is running. That work requires an electrical permit in Surrey, which Surrey issues itself, so a licensed electrician pulls it locally rather than through Technical Safety BC.

If the heat pump is struggling to hold temperature on mild days (above 5°C is well within Surrey's normal winter range), the issue may be sizing or a refrigerant charge problem rather than the thermostat conflict. A service call in the $120 to $250 range is worth it to have a certified technician check the system before assuming you need more heat.

One other thing worth checking: if your heat pump is a cooling-only air conditioner rather than a true heat pump, it cannot contribute to heating at all, and the baseboards are doing all the work by default. A heat pump runs in both directions; confirm yours has a heating mode if you have not already.

Most Surrey homes fix this with thermostat settings alone, and a local technician can confirm that in one visit; Vancouver HVAC Pro can send your request to one.