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Trusted Energy Efficiency Solutions for Sustainable Buildings
Chalmor has been a leader in retrofit energy efficiency solutions since the 1980s, specialising in lighting and heating upgrades for the Education, Business, and Public sectors. With over four decades of experience, we deliver tailored, cost-effective strategies that enhance sustainability while reducing utility and maintenance costs. Our comprehensive project management spans opportunity identification, budget-aligned planning, collaborative client engagement, and seamless implementation. We prioritise cutting-edge technologies like LED lighting, eTRV, and WeTRV systems to optimise energy use and comfort.

Backed by warranties and post-project support, our solutions are designed for minimal disruption and maximum ROI. Recognised for 12+ industry awards and a track record of serving 97+ clients, we combine technical expertise with a commitment to navigating funding opportunities like SME energy grants. Our holistic approach ensures long-term success, aligning with the triple bottom line of people, planet, and profit.
Services
LED Lighting Energy-Saving Controls eTRV Installation WeTRV Systems Retrofit Solutions
Highlights and features
  • We offer 40+ years of specialist experience in energy-saving retrofits.
  • Our tailored solutions reduce utility bills and maintenance costs by up to 40%.
  • Proven results with 97+ satisfied clients across education, business, and public sectors.
  • Comprehensive project management from initial assessment to post-completion support.
  • Independent product selection ensures optimal performance and cost-effectiveness.
What people say
Great service Delivered on time Cost-effective solutions Professional team Excellent support
Services
LED Lighting
Our LED lighting solutions deliver high-efficiency illumination for indoor and outdoor spaces. These systems reduce energy consumption by up to 40%, lower maintenance costs, and enhance light quality. Ideal for retrofitting existing infrastructure, they ensure long-term savings and improved working environments while supporting sustainability goals.
Energy-Saving Controls
Advanced lighting and heating controls optimise energy use through occupancy sensors, daylight harvesting, and programmable systems. These solutions cut costs by up to 30%, prevent overheating, and provide granular control. Perfect for commercial and public buildings seeking efficiency without compromising comfort.
eTRV Installation
Electronic Thermostatic Radiator Valves (eTRVs) offer precise temperature control for individual rooms. By reducing energy bills by up to 30%, avoiding overheating, and enabling zone-based heating, they enhance comfort and sustainability. Patented technology ensures reliable performance in residential and commercial settings.
WeTRV Systems
Wireless smart radiator valves provide centralised control via Wi-Fi, accessible through PCs, tablets, or smartphones. This system improves energy efficiency, reduces maintenance costs, and offers real-time management data. Ideal for multi-site estates requiring scalable, remote-controlled heating solutions.
Retrofit Solutions
Comprehensive retrofit services enhance existing buildings' energy performance through tailored lighting, heating, and control upgrades. Our approach minimises disruption, aligns with budgets, and ensures long-term ROI. From single sites to multi-location portfolios, we deliver sustainable, future-proof solutions.
Questions
What sectors do you specialise in?
We focus on Education, Business, and Public Sector clients across the UK.
Do you offer energy-saving grants?
Eligible SMEs in specific UK regions may receive up to £5,000 in grants.
How do your solutions reduce costs?
LED lighting and smart controls cut energy use by up to 40%.
What support do you provide post-project?
We offer warranties, ongoing assistance, and performance monitoring.
Can you retrofit existing systems?
Yes, we upgrade existing infrastructure for improved efficiency.
How long does installation take?
Projects are completed swiftly with minimal site disruption.
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Reviews (6)
Alex Bailey
Jan 02, 2021 Report
Brilliant service, well priced and did exactly what they said they would on time. My employees had to get used being able to see so clearly that they joked about needing sun glasses. Can highly recommend.
Steven Fawkes
Dec 06, 2020 Report
I have known and worked with Chalmor on large scale projects for many years. They have always been extremely professional and delivered on time, even when timescales were extremely tight. They are always my first go to company for lighting and lighting controls.
Paul Meades
Nov 20, 2020 Report
Chalmor installed a completely new suspended ceiling with LED lighting system for us and it couldn't have been better. Great service, delivered on time and in budget. Very pleased with our decision to use them.
Carl Richardson
Oct 16, 2020 Report
Chalmor assisted us to evaluate our energy usage profile and devise a plan to support a grant application to the Carbon Trust to implement changes to achieve consumption efficiencies and by extension reduce our carbon footprint. I think that it is fair to say we have made substantial savings and/or off-set subsequent energy price increases from the recommended measures we implemented. It is a shame people cant just turn off the lights and we wouldnt need PIRs!
Eric Rosenberg
Oct 08, 2020 Report
My email query was answered the next working by Katie who was extremely helpful and polite when I phoned she dealt with my request promptly That shows that Chalmor Ltd is a company with a very good customer relations department.
Regards
Eric Rosenberg
Tim Morris
May 15, 2020 Report
Steven is knowledgable and professional in all that he does, he relishes a challenge and is quick to recognise innovative solutions.