When a heat pump is beyond economical repair or has reached the end of its working life, we handle the full replacement — old unit removed, new unit sized, installed and warrantied.
Written by the March Technology Technical Team · Last Updated: July 2026 · 6 min read
Most heat pumps last 8-15 years with proper maintenance. Signs it's time to replace rather than keep repairing include frequent breakdowns, steadily rising electricity bills, a unit older than around 10 years, or a refrigerant type that's being phased out. We'll always give you an honest comparison of repair versus replacement cost before recommending either.
Replacement includes safe decommissioning and disposal of the old unit and its refrigerant, correct re-sizing for your current hot water demand (which may have changed since the original installation), and a full 2-year warranty on the new system. If your current unit just needs fixing, see our repair service instead.
Typical lifespan: 8-15 years with regular maintenance
Like-for-like replacement: KSh 160,000 – 380,000 fully installed
Old unit removal & disposal: Included in every replacement
Warranty: 2 years on the new installation
We handle heat pump replacement nationwide, from single residential water heaters to full commercial plant upgrades.
Request a Free Site SurveyTell us about your property and needs, and one of our certified technicians will call you back with a personalised quote.
As a rule of thumb, if the repair cost exceeds roughly 40-50% of a new unit's cost, or the unit is already over 10 years old, replacement is usually the more economical choice long-term.
With regular servicing, most heat pumps last 8-15 years, though this varies by usage intensity, water quality and coastal salt exposure.
We safely decommission the old unit, recover and dispose of any remaining refrigerant responsibly, and remove the unit from site as part of the replacement service.
Yes — if your hot water demand has grown since the original installation, we'll re-size the replacement to match your current needs rather than simply matching the old unit.