Air and Water Residential Blog

What is a tempering valve and will I need one for my hot water system?

A tempering valve is used on domestic hot water systems to mix the hot and cold water so the water coming into your home is not above 50oC. A tempering valve is installed in new homes. It  is also required…

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What is a sacrificial anode in a hot water system and how often should they be replaced?

Electrolysis occurs in all enamel coated steel storage tanks. Electrolysis causes tanks to corrode. To slow down the corrosion, a sacrificial anode is attached within the tank. The anode attracts the electrolytes more than the tank walls, which means the…

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When to repair or replace your reverse cycle air conditioner?

To answer the repair or replace question, several important factors need to be addressed including: Age of the air conditioner Has the unit been well maintained? Cost of the repairs Risk of more repairs being required soon? Availability of replacement…

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How To Keep Your Ducted Reverse Cycle Air Conditioning Running Costs Down

Most of the battle in minimsing ducted reverse cycle air conditioning running costs is choosing the right system in the first place. There are a couple of things you can do with your existing system – check out steps 3…

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Is gold flexible ducting better than ordinary silver duct?

No. We believe gold ducting is a gimmick. The critical thing to determine the performance of ducting is the thermal rating of its insulation. We use R1.0 thermal rated insulted ducting. BCA  require a minimum of R0.6 in Perth WA ….

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