Blue Flame vs Heatable — Honest 2026 Comparison
A clear, expert comparison between Heatable a national online boiler service and Blue Flame’s local in-house Gas Safe engineers. No sales talk — just real differences in price, warranty, installation quality, and aftercare to help homeowners choose confidently in 2026.
✔ Real engineer-backed warranty
✔ Transparent, fixed installation pricing
✔ Faster aftercare than national app-based systems
✔ Same-day repairs available locally
Family-run • Award-winning • 5★ Rated
Heatable is a national online boiler installer offering quick, app-based quotes and a network of subcontracted Gas Safe engineers. Blue Flame is a trusted South Wales installer with in-house Gas Safe engineers, fixed transparent pricing, and fast local aftercare.
This comparison breaks down the differences in pricing, warranty support, engineer consistency, and long-term value, helping you decide which option is right for your home.
If you’re comparing different installers, visit our Boiler Comparison Hub to see how Blue Flame compares with British Gas, HomeServe, BOXT, WarmZilla and other national providers.
Blue Flame vs Heatable — Quick Comparison
| Feature | Blue Flame | Heatable |
|---|---|---|
| Engineers | Only in-house Gas Safe engineers | 100% subcontractors nationwide |
| Warranty | Blue Flame In-House Warranty™ — direct engineer support | Manufacturer-led warranty |
| Aftercare | Fast, local aftercare with engineer-led diagnosis | Depends on subcontractor availability. No local aftercare |
| Diagnostics | Engineer inspections + local callouts | Remote video call + subcontractor visit |
| Price Transparency | Fixed-price installs with no upsells | Low online price; extras added at survey |
| Service Plans | Simple, fair boiler cover plans | Cover varies; repairs outsourced |
| Install Quality | Consistent — same team every time | Varies by subcontractor |
| Summary | Best for value, consistency & aftercare | Best for fast online ordering |
You can also see our new boiler installation cost guide for typical prices across combi, system and replacement boilers.
Who Is Best for What?
When Heatable may be the better choice:
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You want a very simple online ordering journey
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You’re comfortable selecting a boiler without a home survey
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You prioritise speed of booking over personalised guidance
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You prefer online-only communication (email/app)
When Blue Flame is the better choice:
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You want in-house engineers (not subcontractors)
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You want consistent installation quality
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You prefer transparent fixed pricing
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You want faster, reliable aftercare
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You want a better-value warranty handled locally
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You want real accountability and diagnostics
Installation Price Differences
Realistic 2025 price ranges based on national averages
| Boiler Type | Blue Flame | iHeat |
|---|---|---|
| Combi to Combi | £1,800–£3,000 | £1,995–£3,100 |
| System to Combi Conversion | £3,000–£4,000 | £3,500–£4,600 |
| Back Boiler Replacement | £3,200–£5,000 | £3,800–£5,500 |
| Regular/System Replacement | £2,200–£3,200 | £2,600–£3,500 |
Summary of Pricing
Heatable advertised online prices can appear low, but many installs require extras added during the video survey (flues, filters, pipe upgrades, relocation costs, etc.).
Blue Flame’s pricing is fixed and transparent, with no unexpected upsells.
Blue Flame vs Heatable: Key Differences at a Glance
A quick, honest comparison of the four things homeowners care about most: engineers, warranty, aftercare and pricing.
Engineers
Blue Flame: Local, in-house Gas Safe engineer team
Heatable: Subcontracted nationwide installer network
Warranty & Protection
Blue Flame: In-House Warranty™ & Free Silver Cover for 12 months
Heatable: Manufacturer warranty, afteracre varies by region
Aftercare & Breakdown Respones
Blue Flame: Same or next-day local engineer response
Heatable: Aftercare dependant on subcontractor availability, varies by region
Pricing & Transparency
Blue Flame: Clear, fixed prices with no hidden extras
Heatable: Initial online price can increase due to in-accurate/limited information online
Blue Flame Warranty™ — Up to 5 Years Parts & Labour (In-House)
Every new boiler installation includes our premium Blue Flame Warranty™, providing up to 5 years of full parts-and-labour cover, handled entirely by our own local engineers.
✔ No call centres.
✔ No delays
✔ No hassle
✔ Expert installation
✔ Expert servicing
✔ Expert repairs
Our In-House Warranty – Managed by our engineers.
Complimentary Silver Cover Included with Every Boiler Installation
Why this is included:
Included because we selectively install only the most reliable boilers and models. We back our work with in-house parts & labour warranty, we’re confident enough to include complimentary cover.
Continue Your Cover After Year One
Continue your protection from just £6.99 per month after the free first year.
- In-house parts & labour warranty
- 12 months complimentary Silver Cover
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Ongoing servicing continuity with the same local team
“It’s a benefit we can offer because we control the quality from installation to aftercare.”
Detailed Pros & Cons
Blue Flame — Pros
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Faster response times
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In-house engineers
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Better value warranty
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Local accountability
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Fixed, transparent prices
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High first-time fix rates
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Direct communication — no call centre
Blue Flame — Cons
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Only covers South Wales area
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Smaller team (more personal, but limited geography)
Heatable — Pros
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Fast online ordering journey
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Competitive boiler prices
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Wide product selection
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Popular brand for simple online installs
Heatable — Cons
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Installers vary (subcontracted model)
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No dedicated local aftercare
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Response times vary by region
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Boiler selection/survey fully online — not ideal for complex homes
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Limited personal diagnostics
Download Our Free Boiler Installation Guide
Avoid expensive mistakes and get honest advice from experienced local Gas Safe engineers with over 30 years of experience.
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✓ Learn how boilers are sizied
✓ Avoid cmistakes
✓ Know what really matters
✓ Honest local advice
Family-run • Award-winning • 5★ Rated
Frequently Asked Questions
Is Heatable cheaper or more expensive than Blue Flame?
Heatable often advertise competitive upfront prices, but final installation costs can increase after the online assessment or once the attending installer reviews photos or pipework. Pricing is dynamic and varies by postcode, boiler availability, and subcontractor schedules.
Blue Flame provide fixed, transparent pricing with no changes on installation day — meaning the price you agree is the price you pay.
Does heatable use subcontractors?
Heatable often advertise competitive upfront prices, but final installation costs can increase after the online assessment or once the attending installer reviews photos or pipework. Pricing is dynamic and varies by postcode, boiler availability, and subcontractor schedules.
Blue Flame provide fixed, transparent pricing with no changes on installation day — meaning the price you agree is the price you pay.
Which warranty is better — Heatable or Blue Flame?
Heatable rely on manufacturer warranties, typically handled via online servicing requirements and manufacturer visits.
Blue Flame provide the Blue Flame In-House Warranty™, which offers:
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up to 5 years labour
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priority breakdown response
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no call-centre delays
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warranty support handled locally by the same engineers who installed the boiler
For many homeowners, this offers a smoother and more reliable experience.
Is Heatable quicker or slower for breakdowns and aftercare?
Heatable’s response times depend on subcontractor availability in each region.
Delays can occur during busy winter months.
Blue Flame offer same-day or next-day breakdown attendance across South Wales, delivered by their in-house engineering team.
Are Heatable boiler installations good quality?
Many Heatable installations are completed well, but quality varies depending on which subcontractor attends the job and their individual experience.
Blue Flame maintain strict, consistent standards through:
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in-house training
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installation audits
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technical oversight
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full accountability within one company
This creates a more predictable outcome for customers.
Frequently Asked Questions
Should I choose Heatable or a local installer like Blue Flame?
Choose Heatable if:
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you want a fast online quote
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you live outside South Wales
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you’re comparing multiple national installers
Choose Blue Flame if:
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you value engineer-led assessments
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you want fixed, no-surprise pricing
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you want fast local aftercare
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you want a single company managing installation + warranty + servicing
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you prefer direct communication without call-centres
Most homeowners looking for long-term reliability choose an in-house local installer.
Does Heatable offer fixed-price installations?
Heatbale offer online fixed prices, but the final price may change after photo review if additional work is required on installation day.
Blue Flame fixed prices include all required materials and labour — with zero price changes on the day, even if the job takes longer.
Is the Heatable online quote accurate?
The Heatable questionnaire gives a quick estimate, but accuracy depends entirely on:
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correct photos
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pipework condition
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cupboard spacing
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flue routes
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hidden installation challenges
Blue Flame engineer surveys ensure the quote is 100% accurate upfront, not after the engineer arrives.
Do Heatable installations include aftercare or servicing?
Heatable provide installation and warranty registration, while servicing is usually arranged separately or via independent partners.
Blue Flame offer:
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servicing
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breakdown support
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warranty management
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documentation
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reminders
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one-company accountability
Homeowners benefit from a joined-up local relationship instead of dealing with multiple third parties.
Is Heatable reliable compared to Blue Flame?
iHeat is a recognised national online installer, but reliance on subcontractors means customer experience varies between engineers and regions.
Blue Flame deliver a consistent, engineer-led service, where:
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the same team installs the boiler
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the same company services it
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the same engineers handle breakdowns
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the warranty is managed in-house
This continuity is often the key reason homeowners prefer local installers over national platforms.