As part of our maintenance service, we offer hassle free maintenance contracts allowing you peace of mind that your systems are in best working condition all year around.
The benefits of having your air conditioning systems serviced by D & G Air Conditioning Services:
- Maintain system efficiency
- Increase overall performance
- Safety checks including our F-gas leak detection checks
- Increase unit lifetime
- Avoid faults and expensive repairs
- Warranty preservation
WHAT OUR CUSTOMERS SAY
"We have used D&G Air Conditioning on many occasions. They have been to sites with myself to look at jobs to price and worked on sites on behalf of us and as part of our team. They are always on time and will never leave a job unfinished. Their standard of work is second to none. I can happily leave them on site knowing the job will be completed to the highest level and within the time scales agreed. We have built up a great working relationship with Dan and Gary and would not hesitate to recommend them to any of our customers."
Daniel Lamorte - Radecarl Ltd
Choosing the right size air conditioning unit is one of the most important decisions when installing a new system. Too small, and it won’t effectively cool or heat your space. Too large, and you could end up wasting energy and money. In this guide, we’ll break down exactly how to choose the right air conditioning unit size for your home or business in the UK: 1. Why size matters... Air conditioning isn’t one-size-fits-all. The size of your unit determines how efficiently it can regulate temperature. Undersized units will struggle to reach the desired temperature and run constantly Oversized units cool too quickly without properly conditioning the air, leading to inefficiency and higher bills Getting the correct size ensures: Better energy efficiency Lower running costs Consistent comfort all year round 2. What is 'size' in air conditioning? Air conditioning units are measured in kilowatts (kW) in the UK. This refers to the cooling (and heating) capacity of the system, not its physical size. As a general guide: Small room (bedroom / office): 2.0 – 2.5 kW Medium room (living room): 3.5 – 5.0 kW Large open space: 5.0 kW+ (However, these are only rough estimates) 3. Key factors that affect the size you need: Several factors influence the correct unit size for your space: 1. Room Size The bigger the room, the more powerful the system needs to be. 2. Ceiling Height Higher ceilings mean more air to cool or heat. 3. Insulation Well-insulated properties retain temperature better, reducing the required capacity. 4. Windows & Sunlight South-facing rooms or large windows increase heat gain, meaning you may need a more powerful unit. 5. Number of Occupants More people = more heat generated. 6. Equipment & Appliances Offices, kitchens, and commercial spaces often require higher capacity due to heat-producing equipment. 4. A simple rule of thumb... A common starting point is: Around 100 watts per square metre So, for example: A 20m² room ≈ 2.0 kW unit A 35m² room ≈ 3.5 kW unit But this should always be adjusted based on the factors above. 5. Residential vs Commercial Requirements: Homes Most UK homes benefit from wall-mounted split systems, sized for individual rooms or open-plan areas. Businesses Commercial spaces often require: Larger systems Multiple indoor units More precise calculations This is especially important for offices, retail, gyms, and salons where comfort directly impacts staff and customers. 6. Why You Shouldn’t Guess... Choosing the wrong size system can lead to: Higher energy bills Uneven temperatures Increased wear and tear Shortened system lifespan That’s why a professional assessment is always recommended. Get the Right Size with Expert Advice At D&G Air Conditioning, we carry out detailed assessments to ensure you get the perfect system for your space, no guesswork involved. We consider everything from room layout to insulation and usage, so your system performs efficiently all year round. Get in touch today to book a free consultation and find the right air conditioning solution for your home or business. Call us on 07979 183339 email us at enquiries@dgairconditioning.wales or get a quote direct here.
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