Case Studies, Feedback & Science

Pinfields Accountants Invest in Customer and Staff Health

Pinfields Limited was created by a merger in 2003 of two long established, Midlands based, accountancy practices; H F Pinfield & Co and Foster and Company.


Pinfields Chartered Accountants have a reputation for providing high quality financial advice in an efficient and friendly manner.  As a small company (Pinfields employ around 30 staff) the workforce is an extremely important asset to the success of the firm.  Concerns were raised in the summer of 2019 when sickness levels increased by 44% with increased reports of headaches and sore throats.  Opening the windows is difficult for those with hayfever and air conditioning would cause some people to be overly cold. During the autumn / winter of 2019/20 the levels of sickness increased further.


The company implemented a tracking system for undescribed illness and found that the impact of the illness was costing the company thousands of pounds each week in lost productivity. Planned leave is managed in advance, but unannounced absence has significant knock-on effect for the business and meant they got behind in many key projects.


Pinfields Limited knew about AIRSteril, as they had been using it on the gentleman’s washrooms where they had an odour problem. The odour control had worked very well there, but with the COVID-19 pandemic, this brought a new challenge.


As a company committed to the welfare of their staff, they wanted to protect them from infection both from each other and from clients. The business was very quick to lock down sending all staff to work from home on March 17th, for which the team were very grateful. A return to work strategy was developed early on, with a combination of strategies to support them as a business including hand sanitisers, temperature gun, removing touch points and finally reducing paper. However, how to manage the infections in the air would need an air-based technology, and so Pinfields returned to CorrMed to discuss deploying AIRSteril throughout their business premises.


Coincidently whilst specifying the AIRSteril rollout into the offices, one of the Pinfields  team contracted COVID-19. This really brought it home to Pinfields how vulnerable they all are and how introducing air and surface sterilisation was an essential investment for the company to protect its staff and its future.


Nick Pinfield, Managing Partner at Pinfields Limited says “Pinfelds strives to invest in our team whether it be skills, mental health or physical health. Through implementing AIRSteril we were doing our bit to invest in our team’s health and wellbeing, and that of their families, as well as protecting the business from unnecessary absenteeism.”


Since the installation the team has commented on how much cleaner the air feels and what a great environment it is to work in.  Incidentally, reports of hayfever symptoms have also decreased due to the cleaner, filtered air.


To discover how to implement an AIRSteril system in your office please contact or visit our website 

Airborne Testing Report

After 60 minutes, airborne microorganisms are undetectable in the air

The Objective of the experiments was to determine the efficacy of the device in terms of its ability to reduce concentration of viable microorganism in the air in a test enclosure and then also on surfaces


Independent Testing on AIRsteril

Surface Testing Report

99.6% , 99.5% , 99.9% reduction for C.difficle, S.Aureus and E.coli 

The Objective of the experiments was to determine the efficacy of the device in terms of its ability to reduce concentration of viable microorganism on stainless steel surfaces.

Smart Epos use AIRsteril to bring clean air where ventilation is a challenge

Smart EPOS Limited provides electronic point of sale systems (EPOS), therefore reliability and fast support is essential. Before the COVID-19 pandemic the company had a real problem in staff absence which caused disruption to work projects, slippage in deadlines and an impact on quality of service such as the time taken to respond to customer queries. The pressure increases significantly when the team is short staffed, and it has a knock-on effect on the various Service Level Agreements (SLA’s) that Smart EPOS has with businesses they support, where any downtime hits hard for the hospitality customer.


Callum Heron, Owner/Managing Director at Smart EPOS says “We needed to ensure every member of the team felt secure coming back to work as there was a natural concern regarding Covid. We felt it our duty to ensure every possible method for protecting the team was put in place. Surface cleaning would not be enough with a known airborne virus and we did not see it as a long-term solution”


“The advanced UV AIRSteril system provided by CorrMed has given us a cost effective technology to not only help with seasonal staff absence from work, but also give absolute peace of mind returning to work after the pandemic when we know that the Covid virus is still out there.”


Callum continues “The investment in the AIRSteril equipment was negligible, being equivalent to only 12 hours of client work. CorrMed provided a fast and efficient service, surveying the property via video calls and personally delivering the equipment and advising on positioning to get the best results.”


“Here at Smart EPOS we run a small, very tight team of first-class technicians and we are a family orientated business. We take pride in looking after each other and as a company we invest heavily in staff retention. We have just moved into the most beautify converted barn which gives everyone the chance to step away from the screen and enjoy the countryside. AIRSteril will now also bring fresh air inside the office and protect against infections. We will use this system through Covid-19 and beyond.”  


Callum concludes “AIRSteril was recommended to us as a long-term solution to protect our working space. We have been thrilled with the care and support by the team at CorrMed for not only the site surveys, but the delivery and installation were also incredibly professional. We will be recommending this technology and the team at CorrMed to our hospitality customers as it not only kills germs, but it tackles unpleasant odours too which needs managing in all establishments.”


To discover how to implement an AIRSteril system in your business please contact or visit our website


East Of England Ambulance service study absenteeism reduction in their call centre with AIRsteril

Saving over £200,000 in 9 months

Brief summary of data supplied by East Of England Ambulance service regarding absenteeism in their call centre before and after installation of Airsteril Multiflex units.

AIRsteril units were installed at the end of September 2018, the below shows absenteeism data month by month from the previous calendar year with any differences recorded. We have requested additional data on the type of illness, specifically respiratory conditions, and definitions of long term/short term, but as shown there is a clear drop in absenteeism with AIRsteril.

Total Sick % Oct-17 to Feb-18 has an average of 12.85% and Oct-18 to Feb-19 has an average of 5.91%, so a reduction of 54% in total sickness.

Health Protection Agency study on AIRsteril reduction on Rhinovirus and MRSA

98.11% bacteria reduction

All laboratory tests were conducted at the Health Protection Agency (HPA) ‘Centre for Emergency Preparedness and Response’ in the bio-safety laboratories.

Airborne testing at the HPA demonstrated 98.11% bacteria reduction and 92.17% reduction in the standard viral surrogate* after only 5 minutes.

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Endoscopy Disinfection Unit use AIRsteril on Peracetic acid vapour

After a few hours: "a feeling of clean fresh air, no eye or breathing irritation, no headaches, altogether a nicer place to work..."

In the Endoscopy Disinfection units at Epsom & St Helier University Hospitals NHS Trust, a problem with air quality has persisted.

As the AER (Automatic Endoscopy Reprocessor) doors opened and closed throughout the day, peracetic acid (used as disinfectant for the endoscopes) vapour levels increased cumulatively within the unit.

This caused some discomfort for AER operators. Peracetic acid vapour can be irritating to the eyes, mucous membranes of the respiratory tract, and skin in humans after exposure to concentrations as low as 15.6 mg peracetic acid/m3 (5 parts per million) for only 3 min.

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