Air Conditioning and Ventilation

Air Conditioning

Be it commercial or industrial, when running any business your employees comfort is undoubtedly a huge factor to consider. Particularly during the summer months, regulating the temperature in any densely populated room will help stop the work flow suffering. Especially classrooms, meeting rooms, busy offices, gyms or rooms exposed to the sun.

For the system to work to the best of its ability. Firstly the correct design is crucial, secondly the installation quality must be up to a high standard. These are items we at P. Chester & Son (BEDFORD) Ltd. have focused on developing, so that our customers are left with an efficient and effective air conditioning installation.

Air Conditioning Maintenance

We can help you establish a maintenance program to suit your requirements, upon completion. Our experienced and qualified team will ensure your system continues to operate to an industry recognized standard the way it always has from day one. The program will include the required frequency of maintenance visits as different systems will required different levels of attention depending on their location. For example a unit cooling a server room will be running often and will need more inspections than a unit in a mostly vacant meeting room.

The procedures carried out in a maintenance check include; Cleaning the filters and internal and external coils as these can get clogged with debris over time. Testing the condensate pump removes water effectively to ensure no leaks will occur. Running of the system to make sure it effectively heats and cools the room. Making sure there are no strange sounds coming from the unit.

The R22 and R410a Phase Down

Air conditioning systems installed before 2003 are now at risk. For that reason we recommend replacing the old with new alternatives. Old Air conditioning equipment can consume around 50% more energy. Which in turn increases the harmful emissions produced while also increasing the cost of running to you. It is now illegal to handle R22, due to its damaging effects to the ozone layer when released to the atmosphere. The likelihood of breakdowns and other issues becomes a much more frequent issue when a system starts to reach the end of its life. This will leave you with limited cooling or heating or even none at all. Gradually R410a will be phased out between now and 2030 and eventually replaced by R32.


Mechanical supply and extract ventilation go hand in hand with Air conditioning. It makes sure that the air is constantly changing in a room, by removing the stale air and replacing it with fresh air from outside. Extract is often the only ventilation you need in rooms like toilets or kitchens. We work with a variety of different size systems such as single, in line fans, Heat recovery units and large Air handling units.