
HVAC System Emergencies
Available out of hours
Rapid response
Accredited professionals
Competitive rates
Simple booking process
When your HVAC system fails or you experience HVAC issues, it can disrupt comfort, safety, and productivity in your home or business. At Cooper Weston Group Ltd, we provide fast, reliable, and professional emergency repair services for all types of HVAC systems, including air conditioning, heating, ventilation, and combined systems.
Our certified technicians understand the urgency of restoring functionality and offer timely repairs. Whether it’s an air conditioning failure, a heating breakdown, or a ventilation issue, we will quickly diagnose the problem and deliver an efficient fix to minimise downtime and get your system back to peak performance.








Emergency Call Out : 6am – 6pm Mon – Fri
Our Emergency HVAC system services
When you have an HVAC emergency, our experts are on call to offer professional help, providing peace of mind that you will be back up and running as quickly as possible.
Our qualified engineers are equipped to handle a wide range of HVAC emergencies, including:
- Air conditioning breakdowns
- Heating system failures
- Ventilation issues
- Refrigerant leaks
- Thermostat malfunctions
- Poor airflow or blocked ducts
- Electrical faults in HVAC systems
At Cooper Weston Group Ltd, each callout will aim to achieve a quick resolution with minimal disruption while addressing any safety-related concerns. We utilise state-of-the-art tools to fix heating, ventilation, and air conditioning systems and will offer a comprehensive diagnosis.
Whether you need us at a residential home or commercial site, we’re ready to resolve HVAC system breakdowns and malfunctions promptly and carefully to ensure customer safety and satisfaction.
Why Choose Cooper Weston?
When your HVAC system falters, breaks, or has an urgent issue, choose us across London and the South for quick response times, fully insured services, and competitive pricing.
We’re dedicated to offering a reliable and effective service with no hidden costs, meaning you can book with us in total confidence.
NICEIC registered
Our certified engineers are NICEIC registered, meaning they meet the highest industry standards for safety and quality. This certification ensures that all work is carried out by fully qualified professionals with the expertise to diagnose and repair even the most complex HVAC issues.
Fully insured services
All our services are backed by comprehensive insurance coverage for your peace of mind. This means you’re protected from unforeseen issues or damages during the repair process. We take every precaution to ensure safety and reliability.
Experienced technicians
Our engineers have extensive experience working with all major HVAC brands and systems. This expertise lets us diagnose and offer HVAC repairs for various issues quickly, ensuring a seamless and efficient service.
Fast response times
When an HVAC system breaks, it can severely disrupt daily life or business operations. That’s why we aim to provide rapid callouts. Our engineers arrive fully equipped to diagnose and resolve issues on-site, minimising downtime and delivering HVAC repairs as quickly as possible.
Transparent pricing
We value honesty and fairness in everything we do, which is why we provide clear, competitive pricing with no hidden fees. Our commitment to transparency ensures you always know what to expect, giving you confidence in the value and quality of our services.
Customer satisfaction
From the moment you contact us to the completion of your repair, we’re dedicated to providing a service that exceeds your expectations. Our friendly, professional team communicates clearly throughout the process, ensuring you’re informed every step of the way.

What Happens On An HVAC Emergency Callout?
- Safety check and assessment: When our technician arrives, a thorough safety inspection will occur to identify any immediate hazards, such as electrical faults, refrigerant leaks, or system overheating. This step ensures the work environment is safe and stable before repairs begin.
- Diagnosis: Using advanced diagnostic tools, the technician will evaluate the HVAC system to discover the cause of the issue. A detailed explanation of the fault is provided, along with recommended solutions.
- Repairs and fixes: Once the problem is identified, repair work will begin. This may involve replacing damaged components, fixing leaks, recalibrating the system, or addressing electrical issues. If specific parts are unavailable on-site, a temporary fix may be implemented, and a follow-up visit scheduled for a complete repair.
- System testing: After the repairs, the HVAC system is thoroughly tested to ensure it operates correctly and efficiently. This includes verifying temperature control, airflow, and system responsiveness. A final safety check will confirm the system is fully functional.
- Documentation: You will receive a detailed summary of the work completed, including any replaced parts and recommendations for ongoing maintenance. Documentation may also include certifications required for warranty or compliance purposes.
Areas we cover
We offer emergency HVAC repairs across London and the South, with locations in Horsham, West Sussex, and London. Our experts provide quick response times for HVAC system failures, whether heating, cooling, or ventilation-related.
When an issue occurs at your home or business, don’t hesitate to call us for high-quality, efficient, and effective repairs. Our NICEIC-registered professionals will resolve HVAC problems quickly and safely.
Call Us
Whether you’re experiencing a sudden system breakdown, refrigerant leak, or malfunctioning thermostat, we’re here to resolve the issue efficiently for your comfort and peace of mind.
- Call us on 0800 669 6229 with your emergency
- Convenient and flexible booking options
- Rapid response times
- Access to qualified HVAC professionals
Trust our experts to address your HVAC emergencies professionally and expertly. They will ensure minimal downtime and a quick return to a fully functioning system.
Emergency HVAC Repairs FAQ
What is considered an HVAC emergency?
An HVAC emergency occurs when your heating, cooling, or ventilation system suddenly fails, compromising comfort, safety, or functionality. This can include a total system breakdown during extreme weather conditions, leaving you without heating or cooling when you need it most.
Refrigerant leaks are also considered emergencies, as they can impact system performance and pose potential health or environmental risks. Electrical issues, such as tripped breakers or burning smells, require immediate attention due to potential fire hazards. Unusual noises or vibrations from your system may signal severe mechanical problems, while blocked or malfunctioning ventilation can affect air quality and overall system efficiency.
What should I do if my HVAC system stops working?
If your HVAC system isn’t working, check the thermostat settings, confirm that the power supply is on, look for tripped breakers or blown fuses, and see that air filters and vents are not clogged, as these can restrict airflow. Call us to arrange a callout if these basic checks don’t resolve the issue. Avoid complex repairs yourself, which can lead to further damage or safety risks.
Do you offer ongoing maintenance for HVAC systems?
Yes, in addition to emergency callouts, we offer a range of HVAC services, including installation services and planned preventative maintenance. Our installation services ensure your new HVAC system is expertly fitted for optimal performance and efficiency. With planned preventative maintenance, we help keep your system running smoothly year-round by identifying and addressing potential issues before they lead to costly repairs or breakdowns.
Need further help? See all of our emergency M&E services.