
Based in Colchester, serving North Essex and South Suffolk
Air conditioning that heats as well as it cools
Heating. Cooling. Done properly.
Colne Climate is James Keefe: a one-man air-conditioning business built on careful surveys, tidy installations and honest advice. Comfortable rooms all year round, for homes and businesses across North Essex and South Suffolk.
James is a qualified electrician, so you get an all-in-one service, from install to cool or warm spaces.
One person, start to finish
James surveys, installs and returns for servicing. No call centre, no rotating subcontractors.
Sized properly, not guessed
Sizing is confirmed on site from the fabric, the glazing and the way you use the room, never from floor area alone.
Clear pricing, in writing
You get a written proposal covering equipment, installation and price before any work starts.
What James does
Installation, servicing and repairs, all handled personally
Domestic air conditioning
Cool bedrooms in summer, warm rooms in winter, and quiet, efficient comfort in the spaces you actually live in.
Learn more →Commercial air conditioning
Offices, shops, salons, server rooms and workshops, sized for the way the space is really used and installed around your trading hours.
Learn more →Servicing & repairs
Planned servicing to keep systems efficient, plus straight-talking fault finding when something stops behaving.
Learn more →Running-cost calculator
What would it cost to hold your room at 20°C?
Tell us about the room
Every field affects the estimate. Change anything and the numbers update instantly.
Fetching the current outside temperature…
- Estimated load
- 0.98 kW
- Electrical input
- 0.23 kW
- Assumed EER
- 4.20
- Indicative capacity class
- 2.0 kW
These figures are an indicative estimate for guidance only. They are not a quotation, a heat-loss calculation or a system design. Real running costs depend on your building, your habits, your equipment and your electricity tariff. James confirms sizing and expected performance at survey.
Cost across the year
How the estimated hourly cost changes as the outside temperature changes, with your settings held constant.
- Heating
- Cooling
- Selected temperature
View the chart data as a table
| Outside temperature | Mode | Cost per hour |
|---|---|---|
| -5°C | Heating | £0.14 |
| 0°C | Heating | £0.09 |
| 5°C | Heating | £0.06 |
| 10°C | Heating | £0.03 |
| 15°C | Heating | £0.01 |
| 20°C | Cooling | £0.06 |
| 25°C | Cooling | £0.09 |
| 30°C | Cooling | £0.13 |
| 35°C | Cooling | £0.18 |
Where James works
Colchester and roughly 25–40 miles around it
Common questions