Hot Spot will save elec­tric­ity

Vuk'uzenzele - - General - Amuke­lani Chauke

AN eAsterN CAPe en­tre­pre­neur who has won awards for cre­at­ing an in­no­va­tive en­ergy sav­ing de­vice for gey­sers is on the verge of heat­ing up the mar­ket.

san­diswa Qayi’s de­vice, Hot Spot, which can be fit­ted onto any geyser and saves en­ergy by only boil­ing a cer­tain amount of wa­ter in­stead of all the wa­ter in the geyser, led to her launch­ing her own busi­ness, Amahlathi Eco-Tech (AET) Africa, last year.

Qayi won the Youth-led Busi­ness Award in this year’s Global Clean Tech In­no­va­tion Pro­gramme for small and medium-sized en­ter­prises.

The com­pany re­ceived seed fund­ing to de­velop the de­vice last year and Qayi is in the fi­nal phase of fin­ish­ing Hot Spot’s pro­duc­tion – all tests in re­la­tion to de­vice per­for­mance, wa­ter test­ing and ma­te­rial test­ing have been done.

“Since last year we se­cured seed fund­ing from the In­no­va­tion Hub and Tech­nol­ogy In­no­va­tion Agency, which was used to de­velop the prod­uct. We needed to test Hot Spot, in terms of health and safety com­pli­ance, par­tic­u­larly for wa­ter safety and to make sure that the ma­te­rial doesn’t re­sult in any harm­ful sub­stances in­side the wa­ter. We also re­fined the prod­uct de­sign so that we can get it ready for com­mer­cial­i­sa­tion,” she said.

How does Hot Spot work?

Qayi says Hot Spot en­ables users to op­er­ate the geyser like a ket­tle. In other words, when a user wants to make two cups of tea, they do not fill up the en­tire ket­tle with wa­ter, but only with an es­ti­mated amount.

Hot Spot heats up a spe­cific amount of wa­ter and moves it to the top of the geyser, through to the tap.

“If you need 20 litres to have a shower or bath, then you only heat up the 20 litres you need and then switch your geyser off. This means you can switch your geyser on or off when you need it, and only use the amount of wa­ter you need.

“The dif­fer­ence be­tween Hot Spot and the geyser timer is that with Hot Spot, as soon as hot wa­ter is heated, it flows to the top and to the out­let — which is where your tap is.

“The way a geyser is de­signed, you have to wait one and a half hours to get hot wa­ter be­cause it heats up all the wa­ter.

“With Hot Spot hot and cold wa­ter never mix.”

This means that users can get up to 50 litres of hot wa­ter in 30 min­utes, heated to 50 de­grees cel­sius.

Qayi says Hot Spot bagged an­other award in June 2017. She walked away with a gold award in En­ergy Ef­fi­ciency un­der the Eco­log­i­cal Award cat­e­gory at this year’s Eco-Logic Awards, hosted by The En­vi­ropae­dia.

AET Africa’s pri­mary goal is to get the prod­uct fit­ted to the ex­ist­ing seven mil­lion gey­sers on the power grid. Qayi said they hope to im­prove en­ergy ef­fi­ciency to help South Africans who can­not af­ford to have hot wa­ter due to the high costs as­so­ci­ated with op­er­at­ing an elec­tric geyser.

San­diswa Qayi's de­vice Hot Spot is win­ning awards.

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