A heating engineer's insurance sits on top of whichever registrations the work requires, and the list has grown. Gas work is restricted by law to registered engineers. Heat pump and air conditioning work brings refrigerant handling rules and their own certification. Commissioning and certifying a system is a professional act as well as a physical one. An insurer assumes all of that is in place and will check it when a claim arrives.
Gas, and what the law restricts
The Gas Safety (Installation and Use) Regulations 1998 make it an offence for anybody not on the approved register to work on gas fittings, and they set out the duties around installation, servicing and landlord safety records. An insurer writing gas work asks which categories the engineer holds. Work outside those categories is not merely underpriced on the policy; it is unlawful, and a claim arising from it is very hard to defend.
Heat pumps and refrigerant handling
A heat pump is a refrigeration circuit, and work on one brings the F gas rules: a company certificate and personnel qualification for handling fluorinated greenhouse gases, with record keeping and leak checking duties depending on the charge. Insurers ask about it because the work is newer, the systems are expensive, and the failure modes are different from a boiler. An engineer moving into heat pumps should tell the broker before the first installation rather than after it.
Commissioning is a professional act
Sizing a system, specifying emitters, and signing commissioning records are judgements a client relies on, and a wrong one produces a financial loss rather than physical damage. That is professional indemnity territory rather than public liability, and it is frequently missing from a heating engineer's policy because the trade thinks of itself as installing rather than designing. Anybody who certifies should ask the question specifically.
The ordinary trade sections, on this trade's terms
Public liability at the limit the buildings demand, which for flats and commercial premises is normally five million pounds; employers' liability once anybody is employed; hot works conditions for any soldering; escape of water exposure on the plumbing half; and tools and contract works for your own property. A heating engineer's claim profile is a plumber's with a more expensive appliance in the middle of it.
Questions people ask about heating engineer insurance
What insurance does a heating engineer need?
Public liability at the limit the buildings require, employers' liability once anybody is employed, tools and contract works for your own property, and professional indemnity where you size, specify or certify systems rather than only installing them.
Does the policy assume Gas Safe registration?
Yes, where gas is declared. The 1998 Regulations restrict gas work to registered engineers for the categories they hold, and a claim arising from unregistered work is defended from a very poor position.
Is heat pump work covered on a standard heating policy?
It needs declaring. Heat pumps bring refrigerant handling rules and their own certification requirements, and the systems and failure modes differ from boilers, so insurers rate and word the work separately.
Do I need professional indemnity as a heating engineer?
If you size systems, specify equipment or sign commissioning records, yes: those are judgements a client relies on, and the loss from getting one wrong is financial rather than physical, which public liability does not answer for.