our services


We offer a ‘within the hour’ service to all call outs in the city with competitive rates.  We work 24/7 by appointment.  We carry out reactive maintenance, installation works and electrical servicing and testing. 

Air Conditioning

Having a working and efficient air conditioning system is important. As well as providing new A/C and ducting installations we also regularly maintain systems for many of our clients. Regular maintenance is key to prolonging the life of your system. With our service contracts we are always on hand to provide you with reactive works should you need it. Our engineers are clean, tidy and professional and will give you the best service possible.

Contact Us

Harrison How Limited

Call Us: 0207 638 2383


Email: office@harrisonhow.co.uk

Salisbury House, London Wall, London, EC2M5QQ

England, United Kingdom

Mon - Fri

8:00 am - 5:00 pm

Sat - Sun

Appointment Only

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Qualified electrical, mechanical and air conditioning engineers in London

   Registered No.  848203

VAT Reg No. 243579052

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