Category: Blog

All the latest news from TNA Plumbing and Heating in Doncaster

Boiler service

The Science Behind Condensing Boilers

Modern gas boilers sold in the UK are generally condensing boilers, designed to recover more useful heat from the combustion process than older non-condensing appliances. The key difference is what happens to the hot gas

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close up photo of a thermometer

Low Temperature Heating Systems: How They Work

Low temperature heating is becoming increasingly relevant in UK homes, particularly as more homeowners consider air source heat pumps and other energy-efficient heating systems. Rather than using very hot water to heat a

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How Long Should a Modern Boiler Last?

A modern boiler is a significant household investment, so it is reasonable to want to know how long it should remain reliable. There is no fixed lifespan for every boiler, as performance depends on the model, installatio

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a pencil on a notebook beside a steel blade measuring tape

Why Boiler Oversizing Wastes Energy

Choosing a boiler with a higher output than a property actually needs might seem like a sensible precaution, but an oversized boiler can be less efficient in everyday use. Modern boilers are designed to adjust their outp

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How Defrost Cycles Work on Air Source Heat Pumps Frost - Photo by Osman Rana on Unsplash

How Defrost Cycles Work on Air Source Heat Pumps

Air source heat pumps extract heat from the outside air, even when temperatures are low. During cold and damp UK weather, however, moisture in the air can freeze on the outdoor unit’s heat exchanger. A layer of ice

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Heat pump

Understanding COP and SCOP Ratings

If you are considering an air source heat pump for your home, you may come across the terms COP and SCOP when comparing different systems. Both describe heat pump efficiency, but they measure performance in different way

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