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AI quoting tools for heating engineers in the UK
Heating quotes cover a lot of ground, from a like-for-like combi swap to a full heat pump system with new radiators. Grant and VAT rules differ between boilers and heat pumps, so the quote has to show them clearly for the customer to compare.
Prices were re-checked on each provider's own page; the date is next to each one. Rules and figures from GOV.UK are linked where they're used.
Heat pumps and the grant
Show the Boiler Upgrade Scheme grant (£7,500 towards an air source or ground source heat pump, GOV.UK) as its own line, with the price before and after. The installer has to be MCS certified.
VAT on heat pumps
Installing heat pumps in homes is zero-rated until 31 March 2027 (Notice 708/6). A gas boiler replacement is normally standard-rated.
Servicing plans
Quote annual servicing as a plan with a fixed monthly or yearly price. Commusoft lists service contracts with automated scheduling and recurring billing.
The options, with prices
| Tool | Price and free plan | UK notes and source |
|---|---|---|
| Commusoft Field service software for heating, plumbing, electrical and other service firms, with job management, stock, service reminders and a customer portal. | No prices published on its plans page when checked; pricing is by quote. Free trial offered. No free plan; free trial offered. | UK company. Source, checked 15 October 2026 |
| Powered Now UK trade app for quotes, invoices, job scheduling and compliance certificates, with an optional AI receptionist. | Business: £28 a month for one user (£280 a year). Professional: £32 per user a month (£320 a year). Premium: £40 per user a month (£400 a year). All excl. VAT. AI receptionist add-on from £29 a month. 14-day free trial, no card required. No free plan; 14-day free trial, no card required. | UK company, prices in pounds excl. VAT. Source, checked 15 October 2026 |
| Tradify Job management for tradespeople: quotes, scheduling, timesheets and invoices. | Lite: £34 per user a month. Pro: £37. Plus: £44. Optional Instant Website £10 a month; text messages £0.10 each. 14-day free trial. No free plan; 14-day free trial with all features. | UK pricing in pounds, UK phone support. Source, checked 15 October 2026 |
| Claude An AI assistant that is good with long documents, careful writing and summaries. | Free plan: $0. Pro: $20 a month, or $17 a month on an annual plan ($200 billed up front). Max: higher-usage plans; see the pricing page. Chat on web, desktop and mobile, web search, file creation, code, memory and Artifacts. Usage limits reset on a rolling five-hour window, with no fixed message count. | Prices are in US dollars. Source, checked 15 October 2026 |
What to check before you choose
- Grant shown as a separate line.
- Heat loss survey and radiator schedule attached.
- Service plan options on the quote.
- Commusoft has no public price, so ask for a quote and compare it.
A prompt to start with
Paste this into ChatGPT or Claude, filling in the brackets:
Write a quote scope for [e.g. replacing a gas combi with a 7 kW air source heat pump, new cylinder and 4 upsized radiators]. Include the equipment, the heat loss survey, MCS certification, the Boiler Upgrade Scheme grant as a separate line, VAT treatment, exclusions (electrical upgrades, making good), timings, warranty, validity and payment terms. British English, bullets.
Free tools
Price a job with the quote and VAT calculator (20%, 5%, 0% and reverse charge), or work out your day rate. Comparing job management apps? Read Tradify vs Jobber.
Questions
Who claims the grant?
GOV.UK says the MCS certified installer applies on your behalf, and the grant is taken off the amount you pay. Check the current rules on GOV.UK.
Commusoft vs Powered Now?
Powered Now publishes prices (from £28 a month, excl. VAT). Commusoft doesn't publish prices on its plans page. Checked 15 October 2026.
Are these prices in pounds?
Not all. Where a provider only publishes US dollar prices we show dollars, so check the price in pounds at checkout.
Do you get paid if I sign up?
Some links may become affiliate links, and we'll label them when they do. It doesn't change what we list. See how we make money.
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