During a UK heatwave an aircon installer gets more enquiries in a week than in a normal month, and cannot answer most of them because they are on a roof or up a ladder fitting units. The fix is not to work faster, it is to make sure none of those calls rings out: an always-on front desk that answers every call, qualifies the job and books the survey while you are on the tools. The overflow you capture now fills your September diary.
When the weather turns, the phone turns with it. In June 2026 the UK provisionally hit 37.3C at Santon Downham on 26 June, a new June record, with the Met Office issuing a Red Extreme Heat Warning and more than 150 weather stations logging their hottest-ever June day. Every one of those hot days is a wave of homeowners deciding, all at once, that this is the year they get air conditioning.
The problem is not demand, it is answering
A heatwave does not give you a shortage of work. It gives you more work than you can pick the phone up for. You are already fitting units in someone's loft when the next three people ring, and by the time you climb down and call them back, two have booked the installer who answered first.
That is the cruel maths of a surge: the busier you are, the more you miss, and the calls you miss during the hottest week of the year are the highest-intent leads you will get all summer.
Booked out for three weeks is good news, if you capture the overflow
Plenty of installers hit a heatwave already full and think there is no point answering. That is the mistake. A caller you book in for September is a September install you would otherwise not have. Turn the overflow away and it does not wait for you, it rings the next firm on Google and becomes their customer, not just for this job but the next one.
So the goal in a surge is simple: answer everything, book what you can now, and diary the rest so the work does not evaporate when the heat breaks.
What an always-on front desk does with the surge
An AI front desk answers every call the moment it comes in, in your business's name, and does the qualifying you would do yourself: what is the property, is it a single split or a multi-room system, are they ready to book a survey. It puts the survey straight in your diary and, for anyone you genuinely cannot get to, it takes the details so nobody falls through. You stay on the install; the phone still gets answered.
If you want to hear one handle an aircon enquiry, talk to Daisy and try to catch her out.
Off-season is not a cliff
The other worry is that this all goes quiet in September. It does not have to. Modern splits are reversible heat pumps, so the same units you fit for cooling now do heating in winter, and every install needs servicing. A front desk that fills your diary through the heatwave keeps answering when the weather turns, so the autumn service work and the winter heat-pump enquiries land too. The same overflow-capture pattern works in reverse for the boiler trades in winter.
The heat is when the phone rings hardest. Make sure someone is there to answer it. See what you are missing this week: talk to Daisy, or read what a missed call actually costs.
Sources
Hear Daisy answer a call.
The AI front desk that answers every call, qualifies the job and books it while you stay on the tools. Try to catch her out.

