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34 Years
experience
Emergency
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Expert HVAC Contractors in Bristol
Cool Therm UK has been at the forefront of climate control and refrigeration solutions since 1992. Our experienced team specialises in designing, delivering, and maintaining ultra-efficient chillers, heat pumps, and air conditioning systems tailored to commercial and industrial needs. We prioritise environmentally friendly, low-GWP solutions, reflecting our commitment to reducing carbon footprints and energy costs for businesses. Our expertise extends to bespoke systems for challenging applications, supported by 24/7 call-out services for critical infrastructure. With accreditations including ISO 9001 and ISO 14001, we combine technical excellence with sustainability. Our track record includes high-profile projects such as the University of Bath Sports Village and Royal Glamorgan Hospital, demonstrating our ability to handle complex logistical and technical challenges.

We offer turnkey installations, maintenance contracts, and consultancy services, ensuring long-term performance optimisation for all equipment. Our partnerships with leading manufacturers like Daikin and Mitsubishi underscore our technical proficiency. Client testimonials highlight our professionalism, attention to detail, and ability to meet demanding project briefs. We operate nationally across the UK from offices in Bristol, Cardiff, Reading, and Nuneaton, providing localised support with nationwide reach.
Services
Chillers Heat Pumps Air Conditioning Bespoke Solutions Air Handling Units
Details
  • Year established: 1992
Highlights and features
  • We offer 24/7 call-out services for critical infrastructure
  • Our team holds ISO 9001 and ISO 14001 accreditations
  • We specialise in bespoke solutions for challenging applications
  • We partner with leading manufacturers like Daikin and Mitsubishi
  • Our engineers have over 30 years' experience in HVAC systems
Associations and certifications
  • ISO 9001
  • ISO 14001
  • REFCOM Scheme
What people say
Exemplary professionalism Superior products Enhance performance Timely delivery Technical excellence
Services
Chillers
Cool Therm UK specialises in ultra-high efficiency chillers for commercial and industrial applications. Our range includes water-cooled, air-cooled, and R290 (propane) models with capacities from 6kW to over 1MW. We provide turnkey installations, retrofits, and maintenance services, ensuring optimal performance for critical infrastructure like data centres and hospitals. Our bespoke solutions address unusual requirements, such as restricted access or precise capacity matching.
Heat Pumps
We offer air-source, water-source, and natural refrigerant heat pumps with capacities from 6kW to 1MW. Our solutions prioritise low-GWP refrigerants like R290 and R1234ze, supporting decarbonisation goals. Applications include commercial buildings, industrial processes, and district heating systems. We provide design, installation, and maintenance services, including high-temperature boosters for hot water production.
Air Conditioning
Cool Therm UK designs and installs DX, VRF, and VRV air conditioning systems for commercial and residential properties. Our expertise includes energy-efficient solutions for specialist applications like healthcare facilities and IT server rooms. We hold Daikin D1+ Partner status and Mitsubishi Diamond Quality Partner accreditation, ensuring access to cutting-edge technology and manufacturer support.
Bespoke Solutions
Our team engineers tailored HVAC solutions for complex challenges, including non-standard chillers, restricted access installations, and heat recovery systems. We provide turnkey project management from design to commissioning, with expertise in integrating legacy systems with modern technology. Recent projects include chiller replacements for hospitals and data centres.
Maintenance Contracts
We offer comprehensive maintenance contracts for all HVAC systems, including 24/7 emergency support. Services cover inspections, repairs, refrigerant management, and performance optimisation. Our ISO 9001-certified processes ensure compliance with industry standards, while predictive maintenance technologies reduce downtime and extend equipment lifespan.
Questions
What types of HVAC systems does Cooltherm specialise in?
We specialise in chillers, heat pumps, air conditioning systems, and bespoke solutions for commercial and industrial applications.
Do you offer emergency HVAC services?
Yes, we provide 24/7 call-out services for critical infrastructure like hospitals and data centres.
Are your systems environmentally friendly?
Yes, we prioritise low-GWP refrigerants and energy-efficient designs to reduce carbon footprints.
Which manufacturers do you partner with?
We partner with Daikin (D1+ Partner) and Mitsubishi (Diamond Quality Partner) for HVAC systems.
Can you handle complex installation projects?
Yes, our team manages turnkey projects, including challenging logistics and technical requirements.
What accreditations do you hold?
We are ISO 9001, ISO 14001, and REFCOM Scheme accredited for quality and environmental standards.