01Customer calls
You miss a call. Katie takes it.
On a job or driving, the call forwards to Whoza in under two seconds. Nothing changes about your number.
Incoming call
+44 7723 456789
- Your existing number
- Instant forwarding
Built for UK Heating Engineers
Never Miss a Boiler Breakdown — Even at 2am
Boiler breakdowns, emergency heating, annual services, gas safety certificates. Katie answers every call you miss, captures the fault details, and sends them to your WhatsApp in 3 seconds. From £59/month — less than one callout fee.
Try Katie free for 7 days — no credit card required.
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New Enquiry — Katie
Boiler breakdown, 06:23
👤 Name: Patricia O'Connor
📞 Phone: 07XXX XXXXXX
📍 Postcode: B15 2TT
🔧 Job: Worcester Bosch Greenstar — no hot water or heating
⚡ Urgency: Emergency — young children in house, no heating
🏠 Property: 1990s detached, owned
💰 Estimated Value: £120-180 callout
📊 Fault: Pressure gauge at 0 — possible leak
What whoza.ai does for heating engineers
Instant pickup: Katie answers every heating call in 2 rings, even during winter peak when you are already on jobs.
System qualification: She identifies boiler type from customer descriptions and asks the right clarifying questions.
Fault capture: Boiler make, model, fault symptoms, property size, and heating system type are all recorded.
Emergency tagging: No heating, no hot water, leaking, and error code keywords trigger urgent priority alerts.
Landlord tagging: Landlord and letting agent calls are tagged for service contract upsell.
Instant pickup: Katie answers every heating call in 2 rings, even during winter peak when you are already on jobs.Learn more about whoza.ai for heating engineers →
System qualification: She identifies boiler type from customer descriptions and asks the right clarifying questions.Learn more about whoza.ai for heating engineers →
Fault capture: Boiler make, model, fault symptoms, property size, and heating system type are all recorded.Learn more about whoza.ai for heating engineers →
Emergency tagging: No heating, no hot water, leaking, and error code keywords trigger urgent priority alerts.Learn more about whoza.ai for heating engineers →
Landlord tagging: Landlord and letting agent calls are tagged for service contract upsell.Learn more about whoza.ai for heating engineers →
The Problem
Why Heating Engineers Lose Jobs to Missed Calls
Boiler breakdowns are urgent, emotional, and time-sensitive. Customers with no heating in January will call 3-4 engineers. The first to answer — or at least capture the call professionally — gets the job.
Boiler breakdowns peak when you're under a sink or up a loft
January freeze hits. Phones ring constantly. But you're crawling in a loft space, under a kitchen sink, or in a cramped airing cupboard. You physically cannot answer. That 'no heating' call goes to your competitor who books a £180 callout while you're still wrestling with a compression fitting.
Emergency calls need fast triage — voicemail wastes 20 minutes
A voicemail saying 'my boiler's broken' tells you nothing. Is it a £50 pressure top-up or a £4,000 replacement? Katie captures: fault description, boiler make/model, property age, and whether there's hot water. You call back with parts already in the van.
Heating emergencies don't wait for business hours
Boiler breakdowns happen at 6am before work, 10pm when the kids are in bed, and all weekend long. While you're having your Sunday dinner, missed calls stack up. By Monday, those freezing customers have already found another engineer on Checkatrade.
Annual service reminders slip through the cracks
Service customers call to book their annual boiler service. If you miss the call, they often just go to the next engineer on their list. Katie captures every service enquiry with property details, preferred dates, and even sets up recurring annual reminders — building your predictable maintenance pipeline.
Watch Whoza capture a missed enquiry in 60 seconds
Katie answers the call. The enquiry lands in WhatsApp. Claire requests the review. Rex shows what to improve next.
W
whoza.ai Jobs
online
New Enquiry
Just now
Sarah Williams
Boiler Repair
Bristol, BS16
High Priority
£250 – £450estimated
Accept
Decline
See Katie capture a missed enquiry in under 60 seconds.
What are missed calls costing you?
33%
of small businesses fail to answer calls
69%
of voicemail callers don't leave a message
The numbers don't lie
What Are Missed Calls Costing You?
Every missed call to your trade business is a potential job walking straight to your competitor. When a customer calls and you do not answer, 69% of voicemail callers don't leave a message. The business that answers first usually gets the job. Use the calculator below to see exactly how much revenue you are losing every week, month, and year.
Lost Jobs Calculator
Adjust the sliders to match your business
6 calls
1 call50 calls
£280
£50£2,000
Typical plumbing call-out in the UK: £180-£350
35%
10%100%
Your Lost Revenue
Weekly Loss
£0
See your monthly & yearly loss
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That's money walking out the door to your competitor.
One recovered job per month pays for Whoza.
Stop the leak. Katie answers every call from just £59/month
How It Works
How Katie Works for Heating Engineers
Four simple steps from missed call to booked callout. Katie handles the conversation. You handle the heating. Read our complete guide to AI call answering for more details.
1
Boiler breaks — customer calls
Katie answers with your heating company's greeting. She identifies if it's an emergency breakdown, annual service, gas safety certificate, or installation enquiry.
2
Heating-specific qualification
Captures: boiler make/model (if known), fault description, property type and age, whether it's rented, and urgency level. Emergency breakdowns get priority flagging.
3
WhatsApp with diagnostic context
Alert shows: 'Vaillant EcoTEC — no hot water — pressure at 0.5 bar — 1960s semi — rented — tenant contact — emergency callback' with customer number and property details.
4
Accept emergency or schedule service
For breakdowns: tap to accept and arrive prepared with the right parts. For services: schedule annual maintenance at customer's preferred time. Landlord enquiries get batch-scheduled efficiently.
What This Looks Like in Practice
A Typical Day With Whoza
EXAMPLE SCENARIOExample based on typical trades
Typical for many trades. Projections based on industry averages.
Calls captured
Whoza answers every call
Katie answers
Enquiries booked
Real enquiries sent to your phone
Job confirmed
Reviews collected
Claire requests 5-star reviews
Claire follows up
Competitors analysed
Rex checks who is winning locally
Rex compares
Actions recommended
Rex tells you what to fix next
Example: What you could recover in a day
£480
from 10 missed calls (illustrative)
£2,400
per week
£9,600
per month
£115k
per year
Most trades break even with just 1 extra job per month.
At £59/month with £120 average job value, one extra booking covers your cost.
How it works
The 10-second automated dispatch loop
Whoza sits on your existing phone line and your business WhatsApp. Nothing new to learn.
02Katie answers
Answered in under 3 seconds
In your business name, with the accent you chose and your own rules for emergencies and pricing.
- Yorkshire accent
- Natural voice
- Under 3 seconds
03WhatsApp dispatch
A lead card on your WhatsApp
Name, job, postcode and an estimate, with Accept and Decline. Spam never reaches you.
New lead from Whozanow
- John Smith
- Boiler repair
- Leeds, LS6
- £180 – £250
04One-tap booking
Tap Accept. Everything else happens for you.
The job lands in your pipeline, the customer hears you are coming, and the confirmation goes out in seconds.
- Job added to your pipeline10:25
- Customer notified on WhatsApp or SMS10:25
- Confirmation sent10:26
Whoza
Business account
New job: Boiler repair
- John Smith
- Leeds, LS6
- £180 – £250 · ASAP
10:24
Accept Decline
Your AI Revenue Team
Meet Katie, Mark, Claire & Rex
Four AI specialists working together to answer calls, capture enquiries, collect reviews and show you what to improve next.
Call Capture
Katie
Female VoiceCustomisable
Katie answers calls 24/7, qualifies real customer enquiries, and sends them to WhatsApp while you work. Friendly, professional and calm under pressure - she helps customers feel heard before the enquiry reaches you.
Sample greeting:
"Hi, you've reached Carter Heating Solutions. My name is Katie. How can I help you today?"
Ready to accept, call back or decline.
Call Capture
Mark
Male VoiceCustomisable
Mark answers calls 24/7, qualifies real customer enquiries, and sends them to WhatsApp while you work. Clear, efficient and professional - ideal if you prefer a direct male voice.
Sample greeting:
"Hi, you've reached us. This is Mark speaking. What can I do for you?"
Job type, urgency, location and customer details captured.
Review Collection
Claire
Claire turns completed jobs into reviews
Claire follows up after completed work to request reviews while the customer still remembers the good service. Polite, timely and consistent - she helps turn good jobs into future trust.
Hi John, thanks for choosing Carter Heating Solutions yesterday. If you were happy with the service, would you mind leaving us a quick review? It really helps. [Google review link]
More reviews. More trust. More customers choosing you.
Included in Growth plan and above.
Competitor Insights
Rex
Rex shows what to fix next
Rex checks your competitors, reviews and AI visibility, then turns the data into simple actions you can use each week.
Your nearest competitor has 41 reviews. You have 32. Action this week: request 5 more reviews from recent customers and reply to your last 3 Google reviews.
Clear weekly actions to improve visibility and help AI search recommend your business.
Monthly competitor analysis on every plan. Weekly actions from Growth upwards.
Choose the voice and name that fits your business. Switch anytime.
Full Control
You Stay In Control
Every job comes to you first. You decide which ones to take.Choose how your calls are answered — tone, questions and job types.
Accept or decline every enquiry instantly
Request callback before deciding
Adjust booking time if needed
See full job details before accepting
You Never Miss a Job
WhatsApp, SMS or email — your choice.
WhatsApp
SMS
Email
Jobs always reach you, even if one channel fails.
Real-time reliability
3 sec
Call answered
60 sec
Job qualified
Instant
Sent to you
Claire — Every Job Becomes Your Next Review
Every Completed Job Becomes Your Next Review — And Your Next Customer
Claire automatically turns completed work into 5-star Google reviews, helping more customers choose you.Post-job review capture that builds trust and brings future work.
Automatic WhatsApp follow-up after every completed job
Smart timing — reaches out when customer satisfaction is highest
Handle issues privately before they become public feedback
Track how reviews translate into more calls
Included in Growth plan and above
Automatic post-job conversion after every completed job.
How did we do?
Your boiler repair is complete — we'd love your feedback!
Your current rating
4.9
Reviews this month+12
Part of your AI Revenue Team
This Week's AI Recommendation
From Rex — Your Growth Advisor
You're not appearing in AI recommendations for your area
→ Issue: Profile data missing key signals
Your nearest competitor has 41 reviews to your 32
→ Action: ask 5 recent customers this week
You need 5 more reviews to outrank competitors this week
→ Result: Get found, more calls, more jobs
Top recommendation: Add 3 more jobs to your portfolio
→ Result: Stronger AI recommendations in 7 days
The Result
More visibility → more calls → more captured enquiries
Delivered every Monday
Rex — Your Growth Advisor
Get More Work Every Week — Without Ads
When customers ask ChatGPT or Google AI for a tradesperson, Rex helps make sure your business is the one recommended.Rex tells you what to fix this week so you get more calls and more jobs.
Monthly competitor analysis on every plan
Weekly AI visibility actions from Growth upwards
Advanced Rex reporting on Pro and Scale
Multi-location intelligence on Scale
Part of the Whoza System
CaptureConvertDeliverAmplifyGrow
Every plan includes monthly competitor analysis
Growth and above unlock weekly actionable AI visibility insights that show what to fix so AI search and customers are more likely to recommend your business.
Real-Time Dashboard
See What Whoza Captures for You
Track every call, job, and pound recovered. Know your ROI at a glance.
app.whoza.ai/dashboard
+23%
147
Calls Answered
+18%
89
Enquiries Captured
+34%
£12,340
Estimated Value Captured
+12
34
Reviews Generated
Estimated Value Captured
Last 30 days
£12,340
Recent Activity
Enquiry capturedBoiler repair • £1402 min ago
Call answeredNew enquiry from Manchester5 min ago
Review received5 stars from David T.12 min ago
Real-time ROI tracking
Feedback from verified users
What Early Users Are Saying
Our service is now live with plumbers, electricians, builders, roofers and other tradespeople across the country. Every user below is a real business owner who started using whoza.ai to capture their missed calls. Read their genuine feedback about how AI call answering has changed their business.
More Enquiries
Never miss another call. Katie answers 24/7 and qualifies every enquiry.
Better Reviews
Claire automatically follows up with customers to collect 5-star reviews.
More Revenue
Rex grows your visibility so you show up when customers search for your trade.
Why Whoza Wins
From Call to More Work — Every Week
| Outcome | whoza.aiComplete system | Typical AIAnswers calls only |
|---|---|---|
| Based In | Built in Scotland | USA, Germany, UK (varies) |
VALUE | ||
| Pay only for jobs you accept — unaccepted enquiries are never billed | YesYes | NoNo |
| No contract — cancel anytime, 30-day money-back guarantee | YesYes | VariesVaries |
Capture | ||
| Every call answered 24/7 | YesYes | NoNo |
| Caller qualified as a real job (not spam) | YesYes | NoNo |
| Urgency triage — every call flagged RED/AMBER/GREEN | YesYes | NoNo |
| Spam & sales calls filtered automatically | YesYes | NoNo |
| Voicemail detection + auto-forward | YesYes | NoNo |
| Live transfer to you mid-call when you're available | YesYes | NoNo |
| Keep your existing business number — customers notice nothing | YesYes | SometimesSometimes |
Deliver | ||
| Job sent to your phone instantly via WhatsApp | YesYes | NoNo |
| Accept, call back or decline with one tap | YesYes | NoNo |
| AI call notes + searchable transcripts | YesYes | NoNo |
| Choice of 12 UK voices — name your own assistant | YesYes | NoNo |
| Booking automation + calendar sync (Google, Outlook, Apple) | YesYes | NoNo |
| Customer confirmation & follow-up sent automatically | YesYes | NoNo |
Convert | ||
| Completed job → review requested automatically (Claire) | YesYes | NoNo |
| CRM integration — Jobber, ServiceTitan (Pro plan) | YesYes | NoNo |
| Monthly competitor analysis (Rex) | YesYes | NoNo |
| Weekly AI visibility actions | YesYes | NoNo |
| One clear action to get more calls, every week | YesYes | NoNo |
Grow | ||
| More reviews → found more easily | YesYes | NoNo |
| More visibility → more enquiries | YesYes | NoNo |
| More enquiries → more jobs every week | YesYes | NoNo |
| Optimised to get recommended by ChatGPT, Perplexity etc | YesYes | NoNo |
Others answer your calls. Whoza turns them into more jobs every week.
See detailed comparison:
Simple, Transparent Pricing
Start Free. Scale as You Grow.
No hidden fees. No long-term contracts. Cancel anytime.
Starter
Capture + deliver jobs
£59/month
10 jobs included
- AI call handling 24/7
- WhatsApp job delivery
- Calendar sync
- 12 AI voice options
Most Popular
Growth
Qualify + book more jobs
£125/month
20 jobs included
- Everything in Starter
- Zapier integration
- Custom WhatsApp templates
- Weekly summary email
Pro
Scale with analytics
£230/month
40 jobs included
- Everything in Growth
- Advanced analytics
- Team notifications
- White-label WhatsApp
AI Call Answering for Heating Engineers in Your City
Katie answers calls for Heating Engineers across the UK. Find your location:
Real tradespeople. Real numbers.
Heating Engineers Who Stopped Missing Calls — and What It Made Them
These stories were originally told as full blog posts. They're consolidated here because the numbers matter more than the URL.
Heating EngineerManchesterCharlie
“£12,000 in one winter to missed boiler calls. Here's the exact maths — because I counted every single one.”
Charlie is a heating engineer covering Manchester. Winter is his goldmine — and his bottleneck. Boiler breakdowns cluster in cold snaps, and he physically cannot answer the phone while bleeding a radiator in Stretford or crawling through a loft.
In January 2026 he counted: 34 genuine boiler jobs he couldn't answer, at his £350 average. That is £11,900 in lost revenue in a single month. The calls that stung most: a £580 emergency callout at 2am (asleep — gone), a £890 PCB board job where the customer paid a rival £210 more, and £800 of landlord certificates captured from a loft with no signal.
94% of overnight calls go unanswered across small UK businesses — and 69% of people who hit voicemail don't leave a message. In January, with AI answering every missed call, he recovered £8,400 of captured call revenue at a cost of £125/month — a 6,620% ROI. Net gain after subscription: £8,275 in one month.
January losses
34 missed boiler jobs × £350 = £11,900
Recovered (4 weeks)
£8,400 captured call revenue
Cost
£125/month (Growth plan)
ROI
6,620% — net gain £8,275 in one month
One recovered £580 emergency callout paid for nearly five months of the service. Winter stopped being the season of lost money and became what it should be: his most profitable time of year.
Lead generation for heating engineers
Emergency Call Handling for Heating Engineers
Boiler breakdown calls are the most time-sensitive in trades — and the most valuable to capture. Here's how heating emergencies work and how to handle them without losing the jobs you're on.
Why boiler breakdown calls are the most time-sensitive in trades
Four forces: weather-dependent clustering (breakdowns spike 340% during cold snaps), after-hours and weekend concentration (exactly when you're off the clock), customer panic and rapid decision-making (no heating in January = immediate action), and high callback value (every emergency customer is a future annual service). Missed-call volume for heating engineers rises 340% in winter — the same weeks you can least afford to answer.
Identify and prioritise genuine heating emergencies
Genuine emergencies: no heating in winter with vulnerable occupants, no hot water for a family, suspected gas leak (advise to call the National Gas Emergency line), total boiler failure in freezing weather. Urgent but not emergency: one radiator cold, intermittent fault, pressure drop with heating still working. Routine: annual services, landlord certificates, upgrades. AI triages callers into these buckets so you see the real emergencies first.
After-hours calls are your hidden winter revenue
Heating emergencies don't respect business hours — a boiler dies at 6pm on a Sunday in January. 94% of overnight calls go unanswered by small businesses. After-hours emergency work commands premium rates, and a captured 2am £580 callout is pure margin if someone (or something) answers while you sleep.
Convert breakdown calls into replacement sales
A captured breakdown call is often a £2,000–£4,500 boiler replacement enquiry in disguise. AI captures the boiler model, fault description, and property details — so when you call back, you arrive knowing the likely fix and can quote the replacement on the spot. Charlie's £1,200 boiler job was won because Katie captured the exact model number and fault before he even knew the call existed.
Got Questions?
Heating Engineer FAQ
Everything you need to know about AI call handling for heating engineering businesses
How much does AI call handling cost for heating engineers?
Whoza.ai starts at £59/month for the Starter plan. One captured boiler breakdown averages £120-£200 callout. A full boiler replacement can be £2,500-£4,500. At £59/month, one emergency callout pays for the whole year. Overage minutes are billed at £0.40/minute.
Plans start at £59/month. See full pricing and plan details.
Can Katie handle emergency boiler breakdown calls at 6am on a Sunday?
Yes. Katie answers 24/7, including weekends, bank holidays, and early mornings. She identifies emergency heating keywords like 'no heating', 'no hot water', 'boiler not working', 'leaking boiler', 'pilot light out', 'pressure dropped' — and marks the enquiry as emergency priority. You get an immediate WhatsApp with 'BOILER EMERGENCY — URGENT' in the header, even at 2am on Christmas morning.
What information does Katie collect from heating customers?
Katie collects: full name, phone number, postcode, property type (house/flat/commercial), boiler make and model (if known), fault description (no heating/no hot water/leaking/strange noise/pressure issue/pilot light), property age, whether it's a rented property, landlord details if applicable, and how they found you.
Can Katie distinguish between a service call and an emergency breakdown?
Yes. Katie is trained to identify urgency from the customer's language. 'Annual service' or 'gas safety certificate' goes to routine scheduling. 'No heating', 'leaking boiler', 'strange smell', or 'pilot light keeps going out' gets emergency priority. She also asks specific diagnostic questions to help you assess urgency before you even call back.
Does Katie handle landlord gas safety certificate enquiries?
Yes. Katie identifies landlord-specific calls by keywords like 'gas safety certificate', 'CP12', 'landlord', 'tenant', or 'rental property'. She captures the number of properties, number of appliances per property, preferred inspection dates, and tenant contact details. Landlord enquiries get flagged as 'landlord/multi-property' in your dashboard for efficient batch scheduling.
How does whoza.ai help with annual service scheduling?
Katie captures service enquiries with full details: boiler make/model (if known), last service date, property address, preferred date range, and whether it's a single boiler or multiple appliances. She can also ask if the customer wants a recurring annual service reminder, building your repeat business pipeline automatically.
Can Katie handle calls about central heating installation quotes?
Yes. Katie captures installation enquiries with: property type and size, number of radiators, current heating system (combi/system/regular/none), fuel type (gas/LPG/oil/electric), property age, budget range, and timeline. These high-value enquiries (£3,000-£8,000+) get flagged as 'installation quote' for priority follow-up.
Will customers trust an AI with their boiler emergency?
Katie introduces herself as your AI assistant and explains that she's capturing details so you can call back prepared. Most customers are relieved to speak to someone immediately rather than leaving a voicemail. Most callers are satisfied with the AI experience, and heating customers particularly appreciate that Katie captures fault details that help you diagnose before you arrive.
Heating Engineer Testimonial
"I was under a floorboard in Solihull fixing a leak when my phone rang three times. Two were annual service bookings. One was a boiler replacement in Edgbaston worth £3,800. Katie captured all three with full details — boiler models, addresses, tenant contacts. I called back at 5pm and booked the replacement for Thursday. The service calls I scheduled for next month."
RK
Robert Khan
Khan Heating Solutions, Birmingham
One Boiler Replacement Pays for 5 Years of Katie
Emergency callouts average £120-£200. Boiler replacements are £2,500-£4,500. Full central heating installations can exceed £8,000. At £59/month, capturing one missed replacement pays for 5 years of service.
GDPR compliant
24/7 answering
£59/month
Trusted by Heating Engineers Across the UK
From Birmingham to Glasgow, heating engineers trust Katie to capture every call.
£3,200
Average boiler replacement value
67%
Emergency calls made after 6pm
£150
Average emergency callout fee
Also See: AI Call Answering for Related Trades
Don't Miss Another Job
Every missed call is a job going to your competitor.Try Whoza free for 7 days on Starter.
7-day free trial on Starter: 100 minutes + 10 jobs included. Cancel anytime.
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Average rating from verified users
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