N° 001 / Index
Brentwood, Essex
Coverage
London · Home Counties · South of England
Air-Conditioning · Mechanical Services

Climate,
engineered with
quiet precision.

Three decades designing, installing and maintaining air conditioning and ventilation systems for the spaces where comfort and uptime are non-negotiable.

Founded1994 · Steve Barrett
Response4 hrs · 24 / 365
CertificationsF-Gas · Safecontractor · CSCS
StatusIndependent · Manufacturer-Neutral
Daikin ✦Mitsubishi Electric ✦Toshiba ✦Stulz ✦F-Gas Certified ✦Safecontractor ✦CSCS ✦NVQ 2 ✦Daikin ✦Mitsubishi Electric ✦Toshiba ✦Stulz ✦F-Gas Certified ✦Safecontractor ✦CSCS ✦NVQ 2 ✦Daikin ✦Mitsubishi Electric ✦Toshiba ✦Stulz ✦F-Gas Certified ✦Safecontractor ✦CSCS ✦NVQ 2 ✦Daikin ✦Mitsubishi Electric ✦Toshiba ✦Stulz ✦F-Gas Certified ✦Safecontractor ✦CSCS ✦NVQ 2 ✦
N° 002 / The Company
Copper refrigerant pipework detail
Fig. 02 — Refrigerant pipeworkBES / Workshop

An independent house, unbound by any single manufacturer — free to specify what your project actually needs.

Barrett Environmental Services Ltd was founded in 1994 by Managing Director Steve Barrett, who has spent his career building a reputation for quality, reliability and professionalism within the field of air conditioning.

We design, supply, install, service and maintain air conditioning, ventilation plant, ducted systems and close-control units for IT and computer rooms — alongside the full set of associated mechanical accessories.

Recognised dealers and installers with Daikin, Mitsubishi Electric (A1 accredited), Toshiba (Qualified Installer) and Stulz — plus many other market-leading brands.

30+
Years trading
24/7
Engineer availability
4hr
Response window
Free
Site visit & quote
N° 003 / Capabilities

Four disciplines, one workshop.

Every job — from a single split unit in a Mayfair office to a close-control deployment in a Slough data hall — passes through the same hands and the same standard.

01Service

Design & Installation

From small split systems to large VRV, VRF and multi-split installations, plus close-control units for IT and comms rooms. Every project co-ordinated to leave your operation undisturbed.

02Service

Service & Call-Out

Engineers available 24 hours, 365 days. Choose same-day, next-day, or a four-hour response window — tailored to the risk profile of your site.

03Service

Planned Maintenance

Preventative schedules that protect your manufacturer warranty (typically three years) and extend the working life of every system we touch.

04Service

Ventilation & Mechanical

Ducted air conditioning, ventilation plant and associated mechanical services for commercial, industrial, retail, leisure and domestic environments.

Engineer servicing close-control unit in a server room
Fig. 03 — Close-control servicing
N° 004 / Sectors Served

Wherever air
needs to behave.

  • 01Commercial→
  • 02Industrial→
  • 03Office→
  • 04Retail→
  • 05Leisure→
  • 06Domestic→
  • 07IT / Comms→
N° 005 / Get in touch

Let's talk about your site.

Site visits and quotations are provided free of charge and without obligation. Tell us the postcode and the problem — we'll do the rest.