SDH are specialists in all aspects of HVAC solutions for commercial facilities from offices and factories to retail outlets and leisure facilities. Our team of fully-qualified engineers provide quality and value engineering from design to commissioning. We have fitted numerous heating, ventilation or air conditioning solutions for businesses in Bolton, Manchester, Preston, Lancashire, Birmingham, Leeds, Sheffield, Nottingham, London and other parts of the UK.
As a company we take pride in providing a very reliable and competitively-priced service, whether you require office air conditioning maintenance or an industrial ventilation installation. Our HVAC systems are located in offices, supermarkets, hotels, restaurants and industrial premises, such as factories – not just in Lancashire, where our office is located, but across the UK.
First Choice for HVAC
Our team of skilled mechanical engineers and fabricators see to it that each unit will be able to handle pressure, on demand, through our ability to link various controls. Our units are fully customisable, so we can give you a complete package. 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.
Ventilation
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.
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 provide commercial plumbing and heating services, air conditioning, ventilation and HVAC services to clients across the UK including: Birmingham, Blackburn , Blackpool, Bolton, Bradford, Cheshire, Chester, Cumbria, Lancashire, Lancaster, Leeds, Liverpool, London, Manchester, Merseyside, Midlands, Norwich, Preston, Wales, Wakefield, Warrington, Wigan and Yorkshire. Contact SDH for more information.
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.
Frequently asked questions
Commercial systems are larger, more complex, and often modular to serve multiple zones, while residential systems are smaller and typically serve a single space.
With proper maintenance, most HVAC systems last 12–20 years. Lifespan depends on system type, usage, and upkeep.
Frequent breakdowns, rising utility bills, inconsistent comfort, and equipment over 15 years old often indicate replacement may be more cost-effective.
- Rooftop units (RTUs)
- VRF/VRV systems
- Split systems
- Chillers and boilers
- Packaged systems
Depending on system size and complexity, installation can take anywhere from a few days to several weeks.
Contractors typically schedule work in phases or off-hours to minimise disruption.
Building size, occupancy, energy efficiency goals, zoning needs, budget, and future expansion.
At least twice a year (spring and autumn). Some facilities with heavy usage may need quarterly maintenance.
- Inconsistent temperatures
- Strange noises or odors
- Poor airflow
- Leaks or excess moisture
- Higher energy bills
A HVAC maintenance plan can include: Filter replacements Coil cleaning Checking refrigerant and airflow Inspecting belts, motors, and fans Thermostat calibration Electrical and safety checks
Regular maintenance, upgrading to high-efficiency systems, installing programmable thermostats, zoning systems, and sealing ductwork.
Proper ventilation improves indoor air quality, regulates humidity, and ensures compliance with building codes and health standards.