Starter
$9one-off
900
$0.0100
A one-off repair, a few translations.
Pay only for
the help you use.
Prices in USD. 1 USD = 100 credits. Try everything free, buy a pack when you need one, or subscribe if the heating asks a lot of the house.
A pack when you
need one, not because
we reminded you.
Some households just want the helper on the one bad morning. Buy a credit pack outright — no subscription, no monthly email. Credits sit in your account for 12 months from purchase.
Standard
$29one-off
3,000
$0.0097
A full fault season for one home.
Power
$99one-off
12,000+2,100
$0.0083
Multi-property or heavy-use households. +2,100 bonus credits.
The cost is on
the run button.
AST shows the credit cost before you press run. Light tools cost single digits; only the Winter Review touches triple digits, because it's a full tailored report.
| Tool | Credits | ≈ USD |
|---|---|---|
| Chat message | 3 | $0.03 |
| Photo Diagnosis | 15 | $0.15 |
| Fault-code Lookup | 5 | $0.05 |
| Advice Translator | 8 | $0.08 |
| Engineer Description | 10 | $0.10 |
| Pre-repair Checklist | 8 | $0.08 |
| Multi-radiator Audit | 50 | $0.50 |
| Image Generation | 30 | $0.30 |
| Winter Review | 200 | $2.00 |
| Video Generation | 500 | $5.00 |
Preview is free
Every tool lets you preview the prompt before running. Credits only come off on generate.
Refund on error
If a tool fails halfway, the credits are automatically refunded to your balance.
Bill in your currency
Prices quoted in USD. Your card company converts at its rate; we don't add a surcharge.
A month of heating,
steadied.
For homes that ask a lot of the heating — older houses, multiple boilers, tenants, a landlord running a few flats — a monthly plan gives a larger credit allowance and a lower unit price. Cancel any time. Carry-over up to one month.
Home
For the family that likes their heating taken seriously.
$29/month
3,000
- 3,000 credits each month
- Unlimited check history + cloud save
- Quarterly care reminders
- Priority support (2 working days)
- PDF exports included
$0.0097 / credit · launching soon
Home Pro
For older homes, multiple boilers, or landlords with a few flats.
$79/month
10,000
- 10,000 credits each month
- Everything in Home
- Full fault-code library (Worcester · Vaillant · Ideal · Baxi)
- Share with up to 3 household members
- Winter Review included (200 credits)
$0.0079 / credit · launching soon
Household
Many rooms, many radiators, or a small estate to keep warm.
$199/month
30,000
- 30,000 credits each month
- Everything in Home Pro
- Up to 10 household / tenant seats
- Multi-property audits
- Dedicated care log per property
- Named support line
$0.0066 / credit · launching soon
Two quick rules of thumb.
Used under $29 a year?
Stay on Free trial + a Starter pack when needed. Credits last 12 months.
Try a Starter packUsed more than $30 a month?
A monthly plan is cheaper per credit and includes the Winter Review.
See Home plan