Saving Electricity

Save electricity with Sno-Coat®

Package 20 Lt. Coverage approximately 85m2 to 145m2 per 20ℓ container (4m2 to 8m2 /Liter). Coverage cost = (R15-00 to R25-00 per m2 before discounts).  Excluding VAT and Delivery.

Sno-Coat® video

Learn more about Sno-Coat®

Sno-Coat® cooling paint ( Infrared Thermal radiation reflector) is  applied by brush, roller or spray applicators to the roof of the building or structure etc. and also to the walls, where necessary, for the purpose of cooling the building or structure dramatically.

Air temperatures measured inside buildings can drop by up to 15 degrees centigrade and temperatures of roof sheets or walls can drop by up to 30 degrees centigrade.

This exceptional thermal coating is the very best available and encompasses the most modern approach to this technology.

Sno-Coat® has superior adhesion propensity, better opacity, extended coverage, higher cooling capacity and is also chip blister, crack and peel resistant and displays excellent rust fighting capabilities.

Sno-Coat® is a liquid paint-like coating, radiation barrier, highly effective as reflector of radiation, confirmed by SABS tests.

Our product is an exciting development in the paint or coatings industry. The product is water based and consists of a dispersion containing state of the art particles.

Sno-Coat® can be applied by brush, roller or spray applicators. It is unaffected by ultra violet light, is acid resistant, waterproof, hard wearing, long lasting, flexible, impact resistant, etc.

Sno-Coat® can be applied to ANY surface including galvanized iron without the necessity for an undercoat. (Although Dead-End is strongly recommended )

It has a wide variety of applications including factory and house roofs, poultry houses, pig sties, warehouses and shops.

Sno-Coat® when used by the fresh fruit and vegetable industry helps to significantly reduce inside  storage temperatures, thereby prolonging shelf life which translates into huge financial savings.

Sno-Coat® is a one pack system and has a prolonged shelf life. When applied outside in dry weather, the drying time will be no more than 30 minutes to the touch.

Colours;  White, Grey, Red, Blue, Green Yellow

Sno-Coat® Demo

Learn more about Sno-Coat® Enamel

Suitable Uses for Sno-Coat®

Shopping centres, Supermarkets & Under cover out door markets

Poultry houses, Seed warehouses, Pig houses & Fruit packing/processing sheds

Fresh vegetable warehouses, Tobacco sheds, Grain silos  (Elevator roofs)

Food wholesalers & Cash and Carry wholesalers

Houses, Factories, Schools, Clinics, Store rooms & Office buildings

Hotels, Convention centers & Dormitories

Astronomical Observatory Domes &Dish antennae

Churches, Garages, Lodges & Bus/Taxi ranks and shelters

Halls etc. In fact any structure with a roof.

ADVANTAGES

Thermal Insulator (Cools) & Acoustic insulator

Seals asbestos fibre roofs (Government regulations)

Waterproofer, Decorator & Rust Protector/Inhibitor

Non Toxic

Water-Based & oil-based available

Easy to apply & Inexpensive

Long lasting & Combats climate change

Saves electricity & Saves energy

Prevents thermal shock to roof sheets, thereby ensuring no roof bolts popping or loose roof bolts which means prolonged roof life.

Sno-Coat® applied to flat concrete roofs helps to prevent thermal shock here, to a remarkable degree, thus putting an end to expansion and contraction of these structures which in turn prevents these roofs from cracking and leaking which is a feature of these types of structures. Architects, builders engineers etc. often go to enormous lengths  at great expense to achieve similar results on flat concrete roofs to what a simple application of Sno-Coat® will.

In-Situ applications, no need to stop production or interfere in any way with on going activities in order to apply Sno-Coat®, Quiet interference free applications ensure this, no fumes, no problems!

Cosmo-Dec`s hi tech approach to it`s coating technology means we are always at the forefront when it comes to new innovative ideas.

Our coatings contain active ingredients that literally clean the air.

Surface preparation

The substrate should be clean dry and stable.

Application: Ensure that the surface is free of loose paint, dirt, grease, grime etc. and that it is dry prior to applying Sno-Coat®. Apply by brush roller or spray applicators

>When used in conjunction with Dead-End Sno-Coat® achieves a 100% adhesion as tested by SABS.

Coverage : 4 to 5 square metres per litre depending on the substrate and method of application.

Colour : Sno-Coat® is available in most light colours

Technical Information

Sno-Coat® is a wet in the can paint on coating with thermal insulating, rust preventing and other properties.

Reflectance….. …………….92%

k value…………………………0,4 Btu-in/hr/Ft.sq/deg. F

k/x……………………………….1,6 (x = mm)

r…………………….. …………..0,625

Emissivity…………………….0.08

Den……………………………..1,3 (Kg`s/Lt)

Deg F…………………………..0 – 212

Shelf life (Unopened) ……6 – 24 months

Can reduce air conditioning installation and running costs by up to 25%

 Reduces thermal shock by up to 50%

Increases rust onset and degradation time by up to 300%

Prolongs substrate life by up to 300%

Increases live carry capacity by at least 25% (Chicken house)

Decreases heat stress mortality by more than 90% (Chicken house)

Summer inside temperatures decrease by up to 30%

Roof substrate temperatures drop by up to 50%

Excellent waterproofing properties.

Aesthetically pleasing

         Table 1: Solar Reflectance Index (SRI) for Typical Roofing Materials

Source: LBNL Cool Roofing Material Database. These value are for reference only and are not for use as substitutes for actual manufacturer data

SABS TESTS CONDUCTED AND RESULTS OBTAINED
Thermal Insulation Coating.
Test report 7222/ 2090038/v 76

Product was tested for:
Heat absorption of air inside treated and non-treated containers.
Adhesion of thermal coating.

Test methods:
Adhesion – requirements in accordance with SABS ISO 2409 : 1992
Two containers – one coated one non-coated.
Inside temperatures measured with thermocouple at 1 hour intervals
Between 11:00 and 15:00.

Test window:
12 April 2002

Results:
Adhesion – 100 % adhesion, no loss.
Inside Temp – Temp in coated container is always lower than uncoated by approx. 18%.
As ambient temp. drops air in coated container drops slower than uncoated container confirming insulating properties

saving Energy with Cooling(Thermal insulating) Roof Coatings

Special roof coatings can save energy in hot climates and can help utilities in warm climates reduce peak demand.
Architects are using special coatings to cool off buildings in hot climates, but until recently there was little research on the measured cooling-energy savings of these roofs.

Over the past two years, however, researchers in Florida and California have examined the impact of these roof coatings on air-conditioning energy use in retrofits of monitored homes. Simulation analysis suggests that a specially coated roof can cut a building’s cooling load by 10-60%. The higher numbers are associated with uninsulated roofs.

Cooling coatings are increasingly being used for manufactured homes in the Southeast, based on homeowner reports that such coatings can reduce summer air conditioning costs. Until now, however, no investigation in a cooling-dominated climate examined the effect of coated roof on time-of-day air conditioning electrical demand in occupied residential buildings–important information for utilities where summertime peak demand is a concern.

One of the earliest whole-building studies that measured cooling-energy savings from cool roof coatings was performed by the Mississippi Power Company. The utility monitored two identical side-by-side single-story commercial office buildings after the roof of one had been covered with a cooling coating. Both existing buildings had R-11 roof insulation. The results of the experiment? Summertime air conditioning was reduced by 22% in the building with the reflective roof coating.

More recently, researchers at LBL measured very significant cooling-energy savings from applying cooling coatings to three buildings in central California . At one site, energy demand for space cooling was nearly eliminated. But regardless of the potential of cooling roof coatings in California, Florida’s higher humidity and nighttime temperatures make prospects for near elimination of space cooling energy use in that state very unlikely.

An Initial Experiment

In the summer of 1991 we conducted a preliminary experiment in Merritt Island, Florida. Our first test building (Site #0) was a 1,800 ft2 detached single-family, single-story home of conventional concrete-block construction. The pitched roof faced north-south, with plywood decking covered by green/gray asphalt shingles.

The home’s attic was well insulated with approximately two inches of fiberglass covered by an additional six inches of cellulose insulation, yielding a thermal resistance of about R-25. Air infiltration from the attic area into the conditioned interior (a common problem due to duct leakage), had been largely eliminated in a previous audit and retrofit.

Beginning in May 1991, we submetered the home’s air conditioner while maintaining a constant thermostat setting of 79deg.F. We also recorded the underside roof deck, attic air, and living room temperatures.

When we applied the cooling coating on September 5 of that year, the roof’s reflectivity increased from 0.22 to 0.73.2 Spot measurements under full sun at midsummer had shown shingle surface temperatures of 160-170deg.F, prior to the roof treatment, compared to 110deg.F after we applied the coating. Analysis assuming an 81deg.F average summer temperature indicated that a cooling roof coating would reduce energy consumption by 10% (35 kWh versus 39 kWh per day).

Yet this test house probably understated the savings, since most existing Florida residences have fairly poor attic insulation and attic air frequently leaks into the conditioned interiors. Therefore, we obtained more “typical” residences for the detailed experiments we conducted the following year.

A Five-House Follow-up

To learn about how cooling roof coatings affect peak cooling demand we measured the 15-minute air-conditioning electricity demand in our follow-up study, along with meteorological conditions for three weeks before and after each home was retrofitted. We also used infrared thermography to examine how interior heat fluxes from the roof/ceiling were altered by the retrofit.

With equipment to instrument two buildings, we sought one residence with typical ceiling insulation levels (approximately R-11) and a second structure without any insulation at all.

(Many homes built in Florida prior to 1965 have no attic insulation and were built with flat roofs that make retrofits difficult.) Data from Site #1 would be used to obtain results from a more-typical existing residential building, while Site #2 would help us define the maximum savings potential for cooling roof coatings in Florida. Experiments on three more houses in the summer of 1993 extended our sample size. Each house in the second round of experiments had unique characteristics that broadened our knowledge of how cooling roof coatings reduce air-conditioning needs.

(Table 1)

Results

Site #1

Site #1 was a fairly typical existing Florida home. The attic was insulated to approximately R-11, but the air conditioner was old and inefficient. Although pre- and post- application air temperatures and solar radiation were comparable, air-conditioning power demand was reduced by an average of 25% (from 40 to 30 kWh per day) after we applied the roof coating.

The average electrical consumption of the air conditioning system during the utility coincident peak period (5-6 pm) was 2.4 kWh before the coating and 1.7 kWh afterward. This 700 W savings represents a 28% reduction in peak power demand attributable to the coating. Furthermore, average 24-hour attic air temperatures were reduced by 6deg.F, while peak attic temperatures between 2 pm and 6 pm fell by an average of 15deg.F.

Site #2

Site #2 was an ideal candidate for a cooling roof coating. The house had a flat roof and no space was available to insulate the ceiling assembly. Prior to the coating, the 2.5-ton air conditioner was unable to control the interior temperature adequately, running continuously each day from noon until 7 pm when the thermostat was finally satisfied.

Average air-conditioner electricity consumption dropped from 36 kWh to 20 kWh per day after the application–a 43% reduction. Savings would have been higher if the house had possessed a larger air conditioner, but the results did demonstrate the huge potential for gaining cooling-energy savings by applying a cooling roof coatings to the roofs of homes without ceiling insulation.

The temperature reductions to the deck, deck airspace and ceilings were also striking, as was the change in the air conditioner’s load profile. Before the retrofit, the daily interior temperature had ranged above the thermostat set point by 4deg.F or more. The average electrical demand of the air conditioning system during the utility coincident peak period (5-6 pm) was 2.2 kW before the coating and 1.4 kW after the application–a 38% reduction.

Site #3

Site #3 was a small house, cooled with a through-the-wall air conditioner. Since there was no attic duct system the site was of unique research value.

The attic above the dropped ceiling contained no insulation, and the 1.5-ton air conditioner ran constantly prior to the coating (from 1-10 pm) unable to satisfy the thermostat. After the coating, the air conditioner cycled on and off during the same time period, maintaining improved interior comfort while reducing the utility coincident peak demand (5-6 pm) by nearly 960 W.

Total daily air conditioning use was 11.9 kWh lower after the coating was applied–a reduction of 47% under peak-day conditions. After the retrofit, the average daily air conditioning savings totalled 5.6 kWh, or 25% during the summer period (Table 1) and peak demand savings averaged 30% (500 W).

Site #4

We selected Site #4 to see how applying a cooling roof coating to a gravel roof (common in South Florida) might reduce energy use, and also because the household complained of high utility bills.

The ceiling was well-insulated for a Miami home (R–11-R-19 blown fiberglass) and its 3-ton air conditioner was relatively efficient. But while auditing the home, we found a large duct-system supply leak in an inaccessible portion of the attic.

(We found the leak with an infrared camera.) The leak was not repaired, but the roof was later coated with a cooling roof coating. Although the percentage savings of air conditioning energy (15%) were lowest at Site 4, the absolute savings of 8.0 kWh per day were nevertheless significant.

Site #5

Site #5 had a tile roof, but the cement barrel tiles were old and stained a dark gray. The house also had relatively poor ceiling insulation and an inefficient air conditioner. The measured solar albedo was 20% before coating, but after being coated with a sprayed-on cooling coating, it was 64%. The absolute savings at this site were quite large at 11.6 kWh per day with a 988 W reduction in coincident peak-cooling demand.

Reflecting on cool roofs

Cool roofs can reduce space-cooling energy consumption and demand in Florida. Data collected so far suggest that air conditioning savings of 10-40% can be realized, with the larger reductions associated with poorly insulated roof assemblies or buildings with excessive attic air infiltration due to air handler return air leakage. cooling coatings may be particularly suitable in existing residences where the roof structure makes it difficult to add insulation.

Average electricity consumption for central air conditioning in single family homes in Florida is approximately 4,400 kWh/year. Based on a savings level of 10-40%, cool roofs can be expected to reduce household electricity use by 440 to 1,760 kWh per year–an annual savings of $35-$140 at current electricity rates (assuming 8cents per kWh). Obviously, the savings will vary depending upon the severity of the cooling season.

What About the Payback?

A frequent question concerns payback of cool roofing. There are several angles on the answer, but generally speaking, cooling coatings are most appropriate when one is re-roofing. If the coating is applied to an existing roof that is in otherwise pristine condition, the cost equation is straightforward. The typical coverage of a cooling coating is 25 ft2 per gallon,(0,6 sq. meters per liter) (Sno-Coat® gives 6 square meters per liter reducing the application cost factor by a factor of 10!!!!

This makes a massive difference to these calculations and results) based on an application of two coats to a target thickness of 40 mils.

Cost for the material from vendors varies by 50% or more but averages about $60 per 5-gallon container when purchased in quantity. It is important to keep in mind that roof area is generally considered greater than building floor area, particularly with a steep roof pitch. For instance, a typical 1,500 ft2 home may have 2,200 ft2 of roof to be covered. The application then requires 90 gallons of coating material for a materials cost of approximately $1,100.

The cost of labor for installation depends greatly on the roof surface, on whether the coating is to be rolled on or sprayed, and on labor rates. A typical labor cost might be approximately 50cents per ft2 for the required two applications. Thus the overall application would cost about $1 per ft2, or approximately $2,200 for a typical home. With annual energy savings in Florida of $35-$140, the payback times are long–usually lasting longer than the roof itself.(With the exception of Sno-Coat®)

A completely different scenario emerges if the home is soon in need of re-roofing, however. Here the roof coating (which essentially creates a new weatherproof surface) might be seen as a way of extending the life of the roof by 5 to 10 years at half of the cost of re-roofing. The energy savings then become a side benefit.

For new homes, the situation is even more interesting. Here it is often possible to choose roofing types–such as metal roofing, tile roofing, or metal or ceramic shingles–that can be specified in a reflective white at significant additional cost.

Unfortunately, no truly reflective asphalt roofing shingles yet exist for the residential market, but this situation may change as researchers work with the roofing industry to develop new products and spread the word about the energy benefits to help create a market for the materials. For commercial buildings, a variety of reflective roofing materials are already available: Hypalon, white EPDM, and PVC single-ply membranes.

Once such products are widely available for the residential market, the economics may be significantly altered as the cost of reflective roofing becomes inconsequential.

Notes

1. Reflectivity or albedo is the hemispherical reflectivity integrated over a particular wavelength band of the electromagnetic spectrum. For the purposes of this article, the terms reflectivity and albedo are used interchangeably and refer to the wavelengths encompassing the range of solar irradiance from 0.28 to 2.8 microns.

2. Surface solar reflectivity is measured using a precision spectral pyranometer with the device alternately faced upward towards the sun and downward towards the roof to determine the ratio of incident to reflected solar radiation.

Urban Heat Islands

Large cities typically contain darker surfaces and less vegetation than rural environments; these circumstances increase solar gain and thereby raise summertime cooling-energy demand. The dark surfaces and lack of vegetation also warm the summer air, leading to the creation of the urban “heat island.”

In fact, the average temperature in a typical city on a clear afternoon can be 1deg.F-5deg.F hotter than that of the surrounding rural area. Researchers at LBL Heat Island Project estimate that the additional air-conditioning use caused by this urban air temperature increase is responsible for 5%-10% of urban peak electric demand, at an annual cost of several billion dollars.

The power needed to compensate for these higher temperatures requires additional generating capacity, which often contributes to urban air pollution. Moreover, the elevated temperatures themselves accelerate smog formation. According to researchers with LBL, the probability of smog increases by 2%-4% per deg.F increase in maximum daily temperature. But shade trees and light-colored surfaces can offset, and may even reverse the summer heat island effect.

In one experiment, LBL examined the savings due to cooling roofing systems installed on three buildings in Sacramento, California. One was an occupied residence with R-11 ceiling insulation under a composite shingle roof. The initial roof reflectivity was measured at 0.18, and this was altered to 0.78 by application of acooling roof coating. Furthermore, the air-conditioning cooling load in the building was reduced by 69%, with a 28% reduction in peak electrical demand, and the seasonal energy savings amounted to a reduction of approximately 14 kWh per day and a 1 kW in peak power demand.

The second and third buildings were test bungalows. In both cases, the buildings’ corrugated metal roof albedo was increased to approximately 70%, and measured air conditioning energy use was reduced by approximately 40%-50%.

How Long Will It Last?

Degradation of reflective roof coatings is of practical concern because their high-albedo property is primarily responsible for the cooling-energy savings. Cooling roof coatings may have good longevity when applied properly.

For example, a five-year old swatch of an elastomeric coating applied to the cupola roof of the FSEC`s Passive Cooling Laboratory still showed a laboratory reflectance of 0.73–very close to the initial properties of such samples (0.70-0.79) The reflectivity of the roofs in FSEC’s experimental homes was measured seven months after the coatings were applied.

Some minor stains due to disintegrated leaves and dust were evident at Site #1, whereas no signs of degradation were in evidence on the flat roof at Site #2.

The average of the measurements at Site #1 indicated a reflectance of 0.69 with greater variation in the readings over the roof surface. The tested reflectance at Site #2 was 0.73. Although both aged values were lower, a statistical test of the means revealed no significant differences in the data taken immediately after the coating were applied and those obtained seven months later. More recently, however, FSEC examined the roofs at Sites #1 and #2–18 months after they were coated. Although the flat roof at Site #2 still showed little sign of weathering, some staining was becoming apparent on the coated asphalt shingles at Site #1.

The most significant research on the longevity of cooling coated roofing systems was performed recently at LBL. This research examined 26 spot measurements of aged “high albedo” roofs of various types and found that most of the weathering and reduction in solar reflectance occurred in the first year after application or even within the first two months. For a gravel coating the albedo was reduced by 8% over six years, but 6% of the drop occurred in the first year. However, other reflective roofing types experienced reductions to albedo of up to 24%. The LBL researchers also experimented with washing cooling roofing systems, and found that it was possible to restore roofs to 90% of their initial values.

The above temperatures are in deg. F (Average about 74,5) this relates to only 23,61 deg. celcius. Yet at these
only slightly above room temperature temperatures, there are huge electrical savings in air conditioning
electrical consumption as seen below. In typical South African conditions where temperatures indoors frequently
reach to over 30 deg. C the electrical savings are massive. Bearing in mind that the higher the ambient temperatures
the more effective Sno-Coat becomes.

Air Conditioning FAQ

Costs are in AUS$
Multiply by 7 for ZAR

Use a rule of thumb of about 600 Btu per square meter of floor area to be air conditioned

9000 Btu of cooling output equates to 2.64 Kw of cooling wattage which requires 1000 watts of electrical input which will cost about R0.75 cents per hour.

The above electrical consumption costs don`t take into account maintenance or initial installation costs which can increase the above savings by a factor of 3

1 Kg of air is about 850 liters in volume

The specific heat capacity of air is about 1 –  i.e it requires about 1 KJ to  heat 1 Kg of air by 1 deg.C
1 KJ is approx. .95 BTU

Air conditioning costs calculator

Air conditionng electric running costs http://michaelbluejay.com/electricity/cooling.html

The following are temperature recordings taken in Durban CBD on an asbestos roof.
The ambient temperature was 30deg. C

TEMPERATURE RECORDINGS FOR COSMODEC PAINTED ROOF VS NORMAL PAINTED ROOF ETHEKWINI MUNICIPALITY

Temperatures are measured in degrees Celsius and readings recorded were all at similar times ie within 10 minutes of one another. Temperature sensors were placed in the ceilings of both H&S and First Aid buildings on the OFP Complex and ambient temperatures measureD in the shade between the two buildings.

“Must it Be White?”

Many considering the potential of cooling roof coatings  are concerned about color. The FSEC has evaluated the solar reflectance of some 37 different roofing materials, with the measured data showing that white roof materials generally exhibit the best performance.

They are highly reflective across the solar spectral bandwidth, while being highly emissive in the far-infrared region–this is another way of saying they strongly reflect solar heat and any heat they absorb will readily re-emit to the cooler sky temperatures.

It may seem a bit counter-intuitive, but silver reflective aluminum paints do not perform nearly as well as others.  This is because, although the aluminum flake paints have a high solar reflectance, they also have a low infrared emissivity–they tend to hold whatever heat they absorb–negating  the cooling properties.

Fortunately, for those who demand non-white roof colors, it appears possible to tailor paints and pigments so they are not so reflective in the visible solar range, but are very reflective in the “invisible” near infrared region. The Navy has conducted research in this area to help develop infrared reflective coatings.

What are the best colours according to science

Paints have been created that are twice as reflective in the near infrared as in the visible region. Researchers with LBL are examining spectrally selective paints that offer the possibility of significantly increasing the solar reflectance of even darkly pigmented colors.

Physics suggests green-colored pigments with large particle size may further enhance the performance of solar reflective non-white paints. Even so, such coatings will not likely perform better than materials that are uniformly very reflective access the solar spectrum–particularly since the energy intensity of solar radiation is greatest in the visible bandwidth.

Regardless, such developments promise to provide improved roofing materials with high albedo, while still preserving the designer’s pallette of colors.

It may also be possible to tailor the properties of white reflective coatings to create superior performance. An ideal coating would be very reflective across the entire solar spectrum, while being very emissive in the long infrared region so that heat is readily re-emitted.

Research shows promise in this area. One specialty coating, used to coat astronomical observatory domes, has a 98% solar reflectivity–so high that the temperature of the material is only slightly higher than air temperature under moderate solar intensity. Thus, it may be possible to tailor the composition of roof coatings to further optimize their performance.

Can we mold Climate protection into society?

Lifestyles are changing as a result of climate change, and this is creating a blueprint for more energy-efficient homes of the future. Property players believe climate proofing will soon be a requirement in order to sell homes.

In his Nobel Prize-winning documentary on climate change, An Inconvenient Truth, former US vice president Al Gore made the point that something needs to be done urgently if the world is to avoid a crisis caused by global warming over the next few decades.

“We can already see the effect of climate change on lifestyles as more and more people become aware of this fact,” says Mike Bester, CEO of Realty1 International Property Group, “However, the South African residential building industry does not yet have this issue at the top of its priority list.”

“The Eskom crisis has led to some increased awareness of so-called ‘green’ alternatives for power, but as yet there are very few initiatives to develop more holistic environmentally-friendly housing,” says Bester. “The country is so far behind when it comes to providing housing for the masses that green issues are at the bottom of the list. This means that only homeowners building privately can actually give proper attention to the issues.”

Is anything being done?

In May 2005, a report by the South African National Biodiversity Institute (SANBI) stated that as a result of the ‘greenhouse’ effect, South Africa would experience a “steady warming of three degrees Celsius within the lifetime of the present generation of children”. This means homes will need some form of insulation or will have to resort to energy-hungry air conditioning in an effort to keep the occupants cool.

“This has resulted in a wave of interest in environmentally-friendly building initiatives that are setting the stage for the homes of the future,” says Bester, “and we are seeing more homes built that incorporate alternative sources of energy and climate proofing. The homeowners will reap the benefits both through improved lifestyle and increased property values.”

And the authorities are also starting to come to the party, says Bester. As part of the Kuyasa Project in Khayelitsha on the Cape Flats, low income homes were retro-fitted with energy saving options such as insulated ceilings, low-wattage bulbs and solar water heaters.

The project demonstrated a saving of 2.85 tons of carbon dioxide per household per year and is being hailed as a blueprint for future developments. In the past few months, the first 60 of 240 Eskom-accredited solar geysers have been installed in the KwaNokuthula community in Riversdale with more to follow in areas such as Nyanga, Elsies Rivier and Atlantis.

Bester believes that the time will come when a property that does not comply with the energy efficient regulations of the future will be impossible to sell. “Although it may seem unnecessarily costly now to renovate for climate change,” he says, “not only will suitable climate proofing help reduce current energy costs, but it will greatly improve the chances of selling the property in the future.”

Related articles ( click the links )

Property market must get ‘greener’

Cities under growing pressure

Eco-friendly homes a blueprint for future developmentsWhat’s your home worth?

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