# Bowen Island Midea air-to-water heat pump

- Link: https://zencoredynamics.ca/projects/bowen-island-midea-air-to-water/
- Published: 2026-10-14T15:34:00-07:00
- Author: 

Bowen Island · Project

# Bowen Island Midea air-to-water heat pump

An old electric boiler in a cramped closet on Bowen Island, replaced with a Midea
air-to-water heat pump. Here is the system before and after.

## Before and after

### Heating closet

Before⌊Before: old electric boiler, red-painted piping and expansion tank in a cramped
closet⌉

After⌊After: Midea hydro box on plywood with a clean copper manifold, zone valves,
Argosy buffer tank and expansion tank⌉

### Piping and controls

Before⌊Before: old electric boiler and red-painted piping on the closet wall⌉

After⌊After: Midea hydro box on a plywood panel with copper manifold, zone valves,
buffer tank and expansion tank⌉

## More of the finished system

![After: Midea outdoor heat pump unit on stands on the deck](/wp-content/uploads/
zc/projects/bowen-midea/after-1.webp)

![After: Eco-King indirect hot water tank with copper piping](/wp-content/uploads/
zc/projects/bowen-midea/after-4.webp)

![After: close-up of the buffer tank and piping](/wp-content/uploads/zc/projects/
bowen-midea/after-3.webp)

![After: close-up of the buffer tank, pump and controls](/wp-content/uploads/zc/
projects/bowen-midea/after-6.webp)

## Before

![Before: red-painted piping and the old expansion tank in the closet](/wp-content/
uploads/zc/projects/bowen-midea/before-3.webp)

![Before: the cramped closet with the old electric boiler and piping](/wp-content/
uploads/zc/projects/bowen-midea/before-4.webp)

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