(1/4) There has been a lot of chat this week about the cost of #retrofit #heatpump installs. Here's an installer's view on the three types of costs that drive it - 1. Costs that won't change 2. Costs that intervention could change 3. Costs that will change as the market grows. 
(2/4) The first time you retrofit a #heatpump it will always be more expensive than a new gas boiler. You have to put in a new hot water tank, run pipework outside, build a base for the heat pump, ensure radiators and pipework are adequate. These costs vary from house to house.
(3/4) There are also costs that government action could reduce: streamline the process to connect to the electricity grid; invest in training installers; mandate low temp boiler installs; make the planning conditions more sensible (1m from property boundary, why 😡?)
(4/4) Then there are costs that will reduce as the market grows: suppliers provide a lot of support for installers e.g. @freedomheatpump; install time increases because spare parts are often only available online; we spend hours explaining heat pumps to our customers. Time = cost
Thread above on installer view of future cost of #heatpump installs @heatpolicyrich @guynewey @DrJenBaker @betateach @kenbone44 @_heatgeek #killakilowatt @drrosechard @FullyChargedDan @g__j
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