The Delta P is the pressure drop in a heating system which can be defined as the difference in total pressure between two points (e.g A and B) of a fluid carried through the pipework or heating equipment such as a radiator as shown […]

Below provides a guide to water flow rates and pressure when sizing a plate heat exchanger.

Low Pressure Installations A gravity or low Pressure Installation in a standard two storey house with a cold feed water tank in a l […]

With over 20 years of experience AEL can confidently provide you with specific technical advice regarding your heating system. We know it can be very confusing when one engineer works with BTU's and another works with Watts when di […]

You can save money by avoiding heating parts of your home that are unoccupied or need lower temperatures at certain times of the day, for example bedrooms may not need heating when a lounge does. You can have separate central heati […]

Single Pipe Central Heating System A single pipe central heating system operates through a main single feed hot water supply pipe which comes from the boiler supplying hot water to each radiator.
Each radiator has a smaller hot […]

Combi boilers are designed to provide both instantaneous Domestic Hot Water for your taps and showers as well as hot water for the central heating system.

CENTRAL HEATING: If the ambient temperature in the building drops be […]

How to drain and refill your heating system to remove and refit a radiator or valve. There are several reasons you may want to drain your heating system such as removing an old steel radiator to fit a new FARAL Aluminium radiator o […]