20+

Over 20 years of
industry experience.

5yr

Maintenance support
all year round.
Specialist services

HVAC, heat pumps and diagnostics

From compact inverters to large rooftop packaged units, we design practical systems around comfort, compliance and long-term efficiency.

Blue Square Contracts engineer servicing a commercial VRV air conditioning system
Air conditioning Ducted, VRV and VRF Explore services
Blue Square Contracts engineer servicing a commercial air-source heat pump
Heat pumps Air-source and hybrid Explore services
Blue Square Contracts engineer carrying out a thermal imaging inspection
Thermal imaging Leaks, hotspots and audits Explore services
Engineer checking refrigerant pressures during planned HVAC maintenance
Maintenance Efficient year-round performance Explore services
Blue Square Contracts engineer servicing a commercial VRV air conditioning system
Air conditioning Ducted, VRV and VRF Explore services
Blue Square Contracts engineer servicing a commercial air-source heat pump
Heat pumps Air-source and hybrid Explore services
Blue Square Contracts engineer carrying out a thermal imaging inspection
Thermal imaging Leaks, hotspots and audits Explore services
Engineer checking refrigerant pressures during planned HVAC maintenance
Maintenance Efficient year-round performance Explore services
Need an installation, service plan or diagnostic visit? Contact us now
Simple process

A clear process from survey to support.

01
Understand Your Business Needs

We begin with an initial conversation and site survey to understand your operational requirements, building layout and energy goals, including any relevant grants or subsidies.

02
Tailored Design & Proposal

Our engineers craft a bespoke HVAC or heat pump solution to suit your space, usage, and budget. This includes detailed planning, equipment selection, and a clear quote with any eligible funding options.

03
Installation & Support

Our certified team delivers expert installation with minimal disruption, followed by commissioning, handover, and ongoing maintenance support to keep your system efficient and compliant long term.

Engineer commissioning a commercial air conditioning system
Let's make something great work together. Got a project in mind?

Trusted by public bodies, universities and property teams

Birkbeck, University of London
Air conditioning systems ranging from compact inverters to ducted, ceiling-mounted, VRV and VRF installations. Air conditioning
Hackney Council
Air-source, ground-source and hybrid heat pump systems from Samsung, Daikin and Qvantum. Heat pumps
Royal Borough of Greenwich
Thermal imaging for leak detection, electrical fault finding, energy audits and proactive maintenance. Thermal imaging
Birkbeck University of London

Education sector - Birkbeck University of London

Hackney

Public sector - Hackney

Bugler Group

Construction partners - Bugler Group

Birkbeck University of London
Hackney
Royal Borough of Greenwich
Castle Point Borough Council
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