Essex · Commercial air conditioning

Commercial air con in Great Leighs

We cover Great Leighs for design, installation, servicing and repair of air conditioning for offices, shops, hospitality and public buildings. Diagnosis first, a fixed price and proper paperwork when we finish.

  • TM44 recommendations that need acting on
  • IT rooms that need resilient cooling
  • Staff complaining about the temperature

Commercial air conditioning for Great Leighs

Before you call an engineer

Keep a note of anything odd: an error code, a new noise, a drip, a smell or a change in how well the system heats or cools. It makes our diagnosis quicker, and a photo of the display helps even more.

Leave the units and pipework where they are. Disconnecting a system means dealing with refrigerant, which only a qualified engineer can do, and the electrical side needs a competent person. Ask us to quote for a move instead.

Commercial air conditioning in Great Leighs

Installation is only the start. Maintenance contracts cover servicing, F-gas leak checks and the records that go with them, at a price fixed with your quote. There’s a 24/7 emergency line for breakdowns. If you’re dealing with IT rooms that need resilient cooling and fit-outs and refurbishments that need new air conditioning, we can sort it out.

If you run a village hall or similar building near Great Leighs, heating and cooling that warms up fast suits a space used on and off.

Aftercare is simple, and most of it is in the manual: keep the outdoor unit clear, follow the manufacturer’s guidance on cleaning and book a service at the interval they recommend. It also keeps you on the right side of any warranty terms that ask for servicing.

Place
Great Leighs (CM3)
Wider area
Essex
Pricing
A fixed-price quote up front
Prices
Quoted after a survey
Enquiries
Same working day
Credentials
NICEIC and F-Gas
Call
07833 053749
Last updated
30 October 2026

Managing agents and facilities teams in Great Leighs

Managing agents often deal with us directly. Send the address, what’s needed and how access works, and we will send a fixed-price quote.

Running several properties is easier with one contractor. Our area covers Greater London and the South East, so a run of properties can go into one programme and kept on a regular cycle.

What we do, step by step

Each visit follows the same order: agree the plan on site, protect the area, do the work, test what we’ve done and talk you through it. On site, the work takes from a couple of days for a few cassettes to a planned programme for a whole building. Work in Great Leighs is booked in advance at a time that suits you.

  1. It starts with a survey on site, looking at the space, the people in it and the equipment.
  2. The written quote is fixed and lists the plant, where it goes and the order of works.
  3. We agree a programme that suits the site, including evening, weekend or phased installation.
  4. We fit the units, run and test the pipework, connect the condensate and wire in the controls.
  5. We commission the system, record the refrigerant details and hand over the controls and documents.

Before we arrive

  • Make sure we can reach the outdoor unit, or where it will go
  • Let us know where we can park and unload
  • Clear a path to the units and the space around them

How to get a quote

The quickest way to a quote is to send pictures: the inside and outside of the property where the work is, plus the rating plate of any unit already there. Tell us the address and what you need, and many jobs can be priced from that.

Get a price

Advice

When to call us in Great Leighs

Heat builds up in commercial spaces from occupants, equipment, lighting and sunshine, and opening windows doesn’t always help. A system sized for the real heat load deals with it.

These are the situations we see most often:

  • Leak check schedules that have slipped
  • Planning ahead for the HFC phase-down
  • Fit-outs and refurbishments that need new air conditioning

Healthcare premises near William Julien Courtauld Hospital need air conditioning that is easy to clean and maintained on a schedule.

What your quote should include

  • Whether the price is fixed or an estimate
  • Whether extra work needs your approval first
  • Which VAT rate the quote uses, and why

How to choose an air conditioning engineer

FAQs for Great Leighs

Is planning permission needed for air conditioning in Great Leighs?

There’s no single answer: the building and the outdoor unit position decide it. The half-mile around the middle of Great Leighs holds about 19 listed buildings and structures. Put simply: reversible systems on houses can be permitted development, cooling-only ones cannot, listed buildings need consent, and conservation areas limit outdoor units facing a road. When your property needs a decision, we contact Chelmsford council, which is typically the planning authority for Great Leighs.

Is Great Leighs in your area for commercial air conditioning?

Yes, Great Leighs is within the area we cover. Just phone us on 07833 053749 or drop us a line with a few details.

Can you look after our air conditioning after it’s installed?

Yes. A contract keeps the system serviced and any required leak checks on schedule and every visit is recorded.

Do you work on systems someone else installed?

Yes. Systems fitted by other companies are fine from all the leading brands. Send us the make and model, and any records you have.

Will I get records for the system?

Yes. It’s the record a manufacturer or the next engineer will ask to see: the date, the work, and any refrigerant added or recovered.

Do you work on commercial properties?

Yes. Homeowners, landlords, agents and businesses all book us across London and the South East. Let us know who the records should go to.

What types of commercial air conditioning do you install?

Wall-mounted, multi-split, ducted, cassette and VRF systems from leading brands. We set out the choices after surveying the site.

What commercial work looks like in Great Leighs

About 34 miles out from central London, Great Leighs is part of the South East area we work across.

Churches and halls such as Church of St John the Evangelist are often used a few hours at a time, which suits a system that heats or cools a space quickly, once consents are in place.

Great Leighs is about 4 miles south-west of Braintree, in Essex. If you need commercial air conditioning in Great Leighs, it’s easy to get a fixed-price quote: please phone us on 07833 053749, or email if that’s easier. Our area covers London and the South East, Great Leighs included. Great Leighs is one of 644 towns, villages and districts in Essex where we work. London, roughly 34 miles off, has its own page on this site.

Aragon Road, Fortune Close and Audley Road and the roads off them are all inside our area. Our engineers cover all of the CM3 postcode area for commercial air conditioning. If you’re just outside Great Leighs, we cover Gubbion's Green (1 mile east), Young's End (1 mile north-east), Fuller Street (1 mile south-east), Row Green (2 miles north-east) and Fairstead (2 miles east). We also work in nearby towns such as Chelmsford (6 miles south), Braintree (4 miles north-east), Maldon (10 miles south-east) and Billericay (14 miles south).

Landmarks near Great Leighs

In Great Leighs, that means homes and buildings near The Castle pub, among other places. Great Leighs’s nearest station is Cressing station, about 3.4 miles north-east of the centre. Other landmarks nearby include William Julien Courtauld Hospital (3.6 miles north-east). Open spaces near Great Leighs include Sandylay and Moat Woods.

Map of Great Leighs © OpenStreetMap contributors

A customer’s words

“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”

James T., Crawley, office manager

F-Gas certified companyRefrigerant work done and recorded properly
NICEIC approvedElectrical work certified
MCS certifiedHeat pump installations
Checkatrade memberVetted trade directory
24/7 emergency lineBased in East Grinstead