Richmond Heat Pump Co
An air-source heat pump running outside a Richmond home in winter

Heat Pump Basics

Do Heat Pumps Actually Work in BC Winters? A Richmond Homeowner's Guide

April 21, 20266 min read

It's the question we hear more than any other: do heat pumps actually keep up in winter? The short answer is yes, and Richmond's climate is close to ideal for them. Our winters are mild and wet, rarely dropping far below freezing, which is exactly where an air-source heat pump does its best work. Modern cold-climate models go further still, pulling usable heat from the air well below the temperatures the Lower Mainland ever sees.

The short version

  • Heat pumps move heat instead of burning fuel, so they work even when it's cold out.
  • Richmond rarely drops cold enough to challenge a properly sized system.
  • Cold-climate models keep heating efficiently well below freezing.
  • For rare deep cold snaps, backup electric heat covers the gap.

How a heat pump pulls heat from cold air

A furnace makes heat by burning gas. A heat pump doesn't make heat at all, it moves it. Even air that feels cold to you still holds plenty of energy, and a heat pump's refrigerant cycle concentrates that energy and pushes it into your home. That's why it's so efficient: you get several units of heat for every unit of electricity, instead of a one-to-one trade like baseboards.

Richmond's climate is built for this

Sitting on the coast, Richmond gets damp, mild winters. We see plenty of rain and grey, but deep cold is rare. For most of the heating season, an air-source heat pump runs right in its efficient range. The coastal temperatures that make Steveston and Seafair feel raw in January are nowhere near cold enough to stop a heat pump from heating your home.

What about the cold snaps?

Every couple of winters an arctic outflow drags temperatures down for a few days. Two things handle it. First, cold-climate heat pumps are rated to keep producing heat far below freezing, so they carry most homes through on their own. Second, for the worst nights, we can pair the system with backup electric heat that kicks in automatically. You get heat pump efficiency almost all the time, with a safety net for the rare extreme.

The defrost cycle is normal

In cold, damp weather you might see the outdoor unit briefly steam or pause. That's the defrost cycle clearing frost off the coil, and it's the system working as designed, not a fault. It lasts a few minutes and then heating resumes.

Sizing is what actually matters

Here's the part most people miss. A heat pump that struggles in winter is almost always a heat pump that was sized wrong, not proof that the technology doesn't work. We measure your home's actual heat load instead of guessing, so the system can meet your home's worst-case demand without short-cycling or running flat out. Proper sizing is the difference between a system that quietly keeps you warm and one that disappoints.

Myth check

"Heat pumps don't work in the cold" comes from older units and bad installs in much harsher climates than ours. In coastal Richmond, with a right-sized modern system, it simply isn't a problem.

Want a straight answer for your home?

We'll tell you honestly whether a heat pump suits your place and what size you need. Call (604) 332-1613 or book a free assessment, and if you want the money side, read our guide to BC heat pump rebates.

Thinking about a heat pump?

We'll size it right for your home and lay out every rebate you qualify for. Free in-home assessment, no pressure.

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