Abacus AC Solutions
New air conditioning condenser units installed on a roof
Installation · London & home counties

Air conditioning installation, designed around your space

From a single wall-mounted unit to a building-wide VRF network — we size, supply, install and certify systems that are quiet, efficient and built to last.

Accredited & certified REFCOMF-Gas Certified SafeContractorApproved CHASAccredited £5mPublic liability
Specified, not sold

The right system for how you actually use the space

We start with a proper survey and a true heat-load calculation — never a guess off the shelf. That means a system sized for comfort, running cost and room to grow.

  • Full heat-load survey & system design
  • Clean install worked around your hours
  • F-Gas compliant commissioning & certification
  • Manufacturer-backed warranties up to 7 years
Book a free survey
Abacus engineer installing an air conditioning unit
100%F-Gas certified
installations
Why install properly

What a professionally installed system gives you

A system that's the right size and cleanly fitted pays you back every month it runs.

Precise temperature control

Zone-by-zone control keeps every part of your space at the right temperature, year round.

Lower energy bills

Modern inverter systems and heat reclaim dramatically cut running costs versus old units.

Whisper-quiet operation

Carefully specified indoor units keep noise to a minimum — ideal for offices, studios and homes.

Cleaner, healthier air

Built-in filtration and fresh-air options remove dust, pollen and stale air.

Heating and cooling

Heat-pump systems warm in winter and cool in summer from one efficient unit.

Adds value to property

A quality climate system is a genuine asset that makes space easier to let or sell.

Systems we install

A system to fit every layout

Whatever the building, there's a configuration that fits. These are the ones we install most.

Split and multi-split air conditioning

Split & multi-split

One or several indoor units from a single condenser — ideal for offices, shops, homes and smaller premises.

More on split systems
VRF air conditioning

VRF / VRV systems

Scalable, zoned control for multi-room and multi-floor buildings, with simultaneous heating and cooling.

More on VRF
Ducted air conditioning

Ducted & cassette

Discreet, evenly distributed cooling that disappears into ceilings for a clean, uncluttered finish.

Enquire about ducted
How it works

From first call to commissioning in 6 steps

1

Contact

Tell us about your space.

2

Survey

Free on-site visit.

3

Quote

Clear fixed price.

4

Agreement

Scheduled to suit you.

5

Installation

Clean & certified.

6

Aftercare

Maintenance plans.

Brands we install & service

Specialists in every major manufacturer

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Get a free commercial AC survey

Tell us about your premises and we'll arrange a no-obligation site visit and a clear fixed quote.

0800 8488 808 Mon–Fri 7am–6pm · Sat–Sun 9am–5pm
Get in touch

Speak to a real engineer, not a call centre

Visit us

Unit 21, The Maltings, Roydon Rd,
Stanstead Abbotts, Ware, SG12 8HG

Opening hours

Mon–Fri 7am–6pm · Sat–Sun 9am–5pm

No obligation · We reply within one working day