About us
About company

Experienced HVAC specialists based in Hemel Hempstead.

Blue Square Contracts designs, installs and maintains air conditioning, heat pump and thermal imaging solutions for homes and businesses across London and the Home Counties, backed by over 20 years of industry experience.

Approved installers

Samsung, Daikin and Qvantum systems installed to a high standard.

Certified engineers

Friendly technicians with individual F-Gas qualifications.

Efficient systems

Heating and cooling options selected for comfort and performance.

Ongoing support

Maintenance contracts keep systems running smoothly year-round.

Let's make something great work together. Got a project in mind?
Blue Square Contracts engineer working on a commercial VRV system
Engineer maintaining a commercial heat-pump installation
Company mission

Reliable comfort with lower impact.

We help clients choose air conditioning and heat pump systems that suit their building, budget and energy goals, with installation and maintenance that protects long-term performance.

Company vision

Practical systems for modern buildings.

From compact inverters to large packaged rooftop units, our goal is to make efficient heating and cooling straightforward for residential, commercial and public-sector clients.

Company value

Responsible, compliant and transparent.

We work to F-Gas requirements, document issues properly, and use diagnostics such as thermal imaging to identify potential problems before they become expensive repairs.

Committed staff are ready to help you

Jeremy dupont Director
Jessica dover Founder
Matthew taylor Manager
Johncy parker Manager
Trusted by organisations across London and the Home Counties
Birkbeck, University of London
Hackney Council
Bugler Group
Royal Borough of Greenwich
Monaghan Martin
Castle Point Borough Council
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