the latest developments in solar power/photovoltaics and other renewable energy technologies, with a focus on what's on the horizon.  

Solar effectiveness in your region, see HWS.

insulation (adopting the overseas trend to doubling and tripling roofing insulation in temperate and cool climates - and done safely with the professional DIY manual provided with the report).  The crucial importance of sealing gaps.   Insulation R-ratings are based on the insulation's cost-effectiveness compared with the current cost of energy and whether the insulation will pay for itself within a certain period of time.  The overseas trend reflects increases in energy prices.  Our report looks at insulation for cool and temperate climates within the context of strategies used in the internationally award winning Swedish design, Houses without heating systems, Hans Eek, Architect which focuses on insulation and glazing..

retrofitting wall insulation;

grey/black water treatment;

weighing up the pros and cons of installing a combination of solutions specific to your location and climate or as your budget allows;

sealing; 

capturing breezes in the tropics, and in temperature climates in the summer; 

alternatives to heating and air-conditioning, including solar air-conditioning and solar fans which bring cool air up from under the house;

heat/solar absorption for different colours and building products;

landscaping;

double glazing and alternatives; 

HWS specific to your requirements i.e. solar vs instantaneous vs small/large storeage HWS, taking into account family size, whitegoods and climate/sun.  

large water tanks; domestic waste-water treatment systems and information on solutions such as how to get a large galv 18,000/25,000 litre water tank into a backyard with limited access or install underground. 

Ongoing consulting for an additional fee

and much more