London's leading commercial air conditioning contractor
Design, installation, service and repair for offices, retail, restaurants and industrial spaces, delivered by fully qualified, F-Gas certified engineers.
experience
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certified
Complete air conditioning services, under one roof
Whether you're fitting out a new space, keeping an existing system running, or improving air quality, our engineers handle every stage.
Commercial installation
Split, multi-split & VRF systems designed and installed for offices, retail and hospitality.
Explore commercial
Domestic installation
Discreet wall-mounted and ducted heat-pump systems for homes, studios and home offices.
Get a home quote
Maintenance & repair
Planned preventative maintenance and rapid breakdown response to keep you running.
Arrange a service
Ventilation & heat reclaim
Fresh-air ventilation combined with AC for total climate control and energy savings.
Discuss ventilationCommercial-grade air conditioning, properly specified
We design around how you actually work, balancing comfort, running cost and future flexibility.
High efficiency
Inverter-driven compressors that sip power and slash running costs.
Whisper-quiet
Carefully specified indoor units that disappear into the background.
VRF · Cassette · in situ
Smart control
Zone-by-zone scheduling and app control for total comfort.
Fully warranted
Manufacturer-backed warranties protected by our maintenance plans.
London cool
A contractor your facilities team can actually count on
We've spent three decades building a reputation on punctuality, clean installs and honest advice, not the hard sell.
Fully qualified & certified
F-Gas registered, REFCOM & SafeContractor accredited engineers on every job.
All major manufacturers
Mitsubishi, Daikin, Samsung, Fujitsu, Toshiba & Midea, we specify what's right, not what's easy.
Free, honest site surveys
A clear, fixed quote and a breakdown of costs before any work begins, no surprises.
Energy-efficient by design
Right-sized systems and heat-reclaim options that cut running costs year after year.
Trusted across London's commercial spaces
From a single boutique to a multi-floor HQ, we scale the system to the space.
Offices
VRF & cassette systems
Restaurants & bars
Comfort cooling & kitchens
Retail & showrooms
Quiet, even temperatures
Industrial & server rooms
Process & precision cooling
Rated 5.0 by the businesses we look after
"Price competitive, extremely punctual and professional throughout. The team worked around our trading hours and left the site spotless."
"Abacus surveyed, quoted and installed a five-unit VRF system across our offices without a single hitch. Genuinely first-class engineers."
"Our restaurant AC failed mid-summer and Abacus had us back up the same day. Reliable, fairly priced and a pleasure to deal with."
Our simple 6-step process
From first call to aftercare, you'll always know exactly what happens next.
Contact
Tell us what you need by phone or form.
Survey
A free, no-obligation on-site visit.
Quote
A clear, itemised fixed price.
Agreement
We schedule around your hours.
Installation
Clean, certified, fully commissioned.
Aftercare
Optional planned maintenance plans.
Specialists in every major manufacturer
London & the home counties
Based in Ware, Hertfordshire, we cover Greater London and the surrounding counties for installation, maintenance and emergency call-outs.
Ready to get the temperature right?
Book your free, no-obligation site survey today and get a clear fixed quote from a contractor London businesses trust.
Speak to a real engineer, not a call centre
Call us
0800 8488 808Email us
info@abacusacsolutions.comVisit us
Unit 21, The Maltings, Roydon Rd,
Stanstead Abbotts, Ware, SG12 8HG
Opening hours
Mon–Fri 7am–6pm · Sat–Sun 9am–5pm