Air conditioning & ventilation in Northamptonshire
Cooling, efficient heating and fresh air for homes and businesses, installed by F-Gas certified engineers with the electrics done in-house.
Comfortable, well-ventilated and efficient, all year round
Air conditioning and ventilation for homes and commercial spaces, installed by our F-Gas certified engineers for safe, legally compliant and highly efficient cooling, heating and fresh air.
And because we're fully qualified electricians too, we handle the whole job from start to finish, including the dedicated wiring and isolators, so you never need a separate contractor to get your system up and running.

Air conditioning installation
Sleek, energy-efficient split and multi-split systems. Modern units don't just cool in summer, they work as highly efficient air-to-air heat pumps for cost-effective heating through the winter.
Ventilation & extraction
High-performance extractor fans, kitchen and bathroom ventilation, and whole-house MVHR (Mechanical Ventilation with Heat Recovery) to prevent damp, reduce condensation and improve air quality.
Servicing & maintenance
Annual servicing to keep your system at peak efficiency and avoid costly breakdowns: deep-cleaning filters, clearing condensate drains, checking electrical connections and testing performance.
Re-gassing & leak repairs
Blowing warm air or losing pressure? Our F-Gas certified engineers carry out accurate leak detection, repairs, and safe refrigerant recovery and recharging to restore full cooling.
Seamless electrical integration
Every unit needs a dedicated, safely routed supply. We install the circuit, outdoor rotary isolator and RCBO protection at your consumer unit, fully tested and certified to BS 7671.
F-Gas certified engineers
All refrigerant handling, pipework, pressure testing, evacuation and charging is carried out by F-Gas certified engineers, as the law requires.
Premium brands we install & service
Built to last, with quiet operation and top energy ratings. We supply, install and maintain all the major brands, including:
- Daikin
- Mitsubishi Electric
- Bosch
- Midea
- and more
Why choose us for air con
- F-Gas certified engineers. Refrigerants handled safely and legally.
- One contractor for everything. The AC install and the electrical work in one seamless package.
- Year-round comfort. Powerful cooling in summer, highly efficient heating in winter.
Common questions
Does air conditioning heat as well as cool?
Yes. Most modern split systems work as air-to-air heat pumps, giving you efficient heating in winter as well as cooling in summer.
How often should air conditioning be serviced?
Once a year is the usual recommendation, to keep it running efficiently and your warranty valid.
Who carries out the refrigerant work?
All refrigerant work is carried out by F-Gas certified engineers, as the law requires.
What do you need from me for a quote?
Rough room sizes, where you'd like the indoor units, and a photo of the outside wall where the outdoor unit could go.
Air conditioning within 60 miles of Northampton
Based just outside Northampton, we cover a radius of around 60 miles, from Derby in the north down to Oxford in the south, including:
- Northampton
- Rushden
- Wellingborough
- Kettering
- Corby
- Bedford
- Milton Keynes
- Luton
- Peterborough
- Cambridge
- Huntingdon
- Leicester
- Nottingham
- Derby
- Coventry
- Rugby
- Leamington Spa
- Banbury
- Aylesbury
- Oxford
- St Albans
- Stevenage
Not sure if we cover you? Get in touch and just ask.
More from Evergreen Energies
Electrical work
Consumer units, inspections, testing, fault finding and repairs.
Find out more →
Solar panels
High-efficiency panels designed around your roof and your usage.
Find out more →
Battery storage
Store your daytime solar and use it in the evening, or charge on cheap off-peak rates.
Find out more →
EV chargers
Smart home chargers that can run straight off your solar.
Find out more →Not sure what you need?
Tell us a bit about your property and we'll come back to you with a free, no-obligation quote.