The government is sticking with its commitment to deploy 600,000 heat pumps per annum by 2028 despite Rishi Sunak’s move to exempt around a fifth of households from a requirement to get rid of their gas boilers. The decision to stick with the ambitious annual target is revealed within a briefing paper issued to industry stakeholders and seen by Utility Week. It comes after Sunak outlined a “new approach” to how the government will meet its carbon reduction commitments.