Are your premises too hot in summer or too cold in winter?
Do you want to reduce your heating, cooling or lighting bills?
Are you having electrical problems?
We can help!
We’ll maintain your existing services to make them last longer, cost less and give better results (heat, warmth, air conditioning, or lighting, for example). Our annual servicing plans can pay for themselves by alleviating major breakdowns and avoiding down time after failures and as a bonus saving energy with reduced gas and electric bills. We only employ fully-trained, experienced, and time-served engineers.
First Choice for Maintenance Services
We specialize in providing comprehensive solutions to ensure your systems operate efficiently and reliably. Our skilled technicians are equipped with the latest tools and expertise to handle installations, routine maintenance, and emergency repairs. We work with clients across the UK including Bolton, Manchester, Blackpool, Lancashire, Birmingham, Chester, York, Sheffield, Leeds, Nottingham and London. Contact us today.

Air Conditioning
Specialists in commercial Air Conditioning design, planning, installation and maintenance. Over the years SDH Building Services have designed, planned, installed, maintained and repaired numerous air conditioning units and air con systems for properties in Bolton, Manchester and across the UK.
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Ventilation Systems
Professional Ventilation design, planning, installation and maintenance. SDH Building Services have designed, installed, maintained and repaired numerous commercial ventilation systems in Bolton, Manchester, London and across the UK.
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HVAC
Specialists in commercial HVAC (Heating, Ventilation and Air Conditioning) design, planning, installation and maintenance. SDH have installed and maintained numerous HVAC systems for properties in Bolton, Manchester, Lancashire and across the UK.
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Coverage
SDH is a trusted nationwide provider of commercial plumbing, heating, air conditioning, ventilation, and complete HVAC solutions. We deliver high-quality, reliable services to businesses and organisations across the UK – from installation and maintenance to system upgrades and emergency repairs.
Our expert team operates throughout the country, serving clients in Birmingham, Blackburn , Blackpool, Bolton, Bradford, Cheshire, Chester, Cumbria, Lancashire, Lancaster, Leeds, Liverpool, London, Manchester, Merseyside, Midlands, Norwich, Preston, Wales, Wakefield, Warrington, Wigan and Yorkshire.
Whether you require a bespoke HVAC system design, routine servicing, or rapid response repairs, SDH combines technical expertise with a commitment to safety, efficiency, and client satisfaction.
Contact SDH today to learn more about our full range of commercial plumbing, heating, and HVAC services or to discuss your next project.
Frequently asked questions
SDH offers a comprehensive range of maintenance services, including air conditioning, ventilation, heating systems, and electrical servicing. Our services are designed to ensure that all systems operate efficiently, reliably, and meet industry standards.
Regular maintenance is essential to prevent unexpected breakdowns, enhance efficiency, and extend the lifespan of HVAC systems. Routine checks can identify potential issues early, leading to cost savings on repairs and ensuring optimal performance throughout the year.
It is typically recommended to schedule maintenance at least twice a year, ideally in spring and autumn. This frequency ensures that your systems are prepared for seasonal changes and helps maintain optimal performance and energy efficiency.
A typical maintenance service includes inspecting the system components, cleaning filters, and coils, checking refrigerant levels, and ensuring that all electrical connections are secure. Our technicians will also test the system’s performance and make any necessary adjustments.
Yes, SDH Building Services offers emergency maintenance services to address urgent issues outside regular service hours. Our skilled technicians are available to respond quickly to ensure minimal disruption to your operations, providing peace of mind when unexpected problems arise.
Regular maintenance helps keep HVAC systems running efficiently, which reduces energy consumption. By cleaning components, checking refrigerant levels, and addressing any inefficiencies, you can significantly lower energy bills and improve overall system performance.
Absolutely! We provide maintenance services for all types of HVAC systems, regardless of whether we installed them. Our qualified technicians can assess and maintain existing systems to ensure they operate effectively.
Signs that your HVAC system may need maintenance include unusual noises, inconsistent temperatures, increased energy bills, and poor indoor air quality. If you notice any of these issues, it is important to schedule a maintenance check as soon as possible.
A maintenance contract with SDH provides regular servicing, priority response times for emergency repairs, and cost savings on repairs and replacement parts. It promotes better system performance and helps avoid costly downtimes through proactive management.
We employ fully trained, experienced, and accredited technicians who use the latest tools and techniques. Our commitment to quality is reflected in our adherence to industry standards, ensuring that every job is completed to the highest level.
Yes, we can customise our maintenance plans to fit your specific operational requirements and budget. We work closely with clients to develop tailored solutions that address their unique challenges and goals for optimal system performance.
Getting started is simple! Contact us via phone or email to discuss your needs, and we will arrange for a free site survey to assess your systems. Following the assessment, we will provide you with a detailed maintenance proposal tailored to your requirements.


We provide a comprehensive service and maintenance package following all our installations in order to ensure that our customers get the best out of their investment. Our engineers are fully qualified, have years of experience to ensure every job is completed to the highest of industry standards. We also provide service and maintenance packages on existing mechanical and air conditioning systems for those customers looking for a new supplier. Whether you require air conditioning maintenance in Bolton, HVAC services in Manchester or ventilation installation services in London, we can supply. If you want to discuss how our air conditioning and ventilation services may be able to help you, please use or contact form or give us a call on 01204 305 053.









