Boiler Feedwater Treatment: Why Scale Kills Efficiency
Why scale wastes fuel and overheats boiler tubes, how a feedwater treatment chain is built, and what blowdown really costs, with worked numbers for a 2 t/h plant.
Industrial Boiler Fuel Comparison: Gas, Oil, Coal, Biomass
How to compare gas, oil, coal, biomass and electric boilers on cost per useful kWh, with a worked 2 t/h example covering fuel quantities, deliveries, ash and CO2.
Hot Water for Labour Accommodation: Sizing Guide
Labour accommodation is the most demanding hot water load most contractors will ever specify, and it is routin...
Solar Water Heater Payback: What It Actually Saves
Ask three suppliers how long a solar water heater takes to pay for itself and you will get three confident ans...
Evacuated Tube vs Flat Plate Solar Collectors
Almost every solar water heating quotation comes down to one technical choice: evacuated tube collectors or fl...
How to Size a Solar Water Heater for Your Roof
Sizing a solar water heater is not the same problem as sizing a conventional one. With an electric heater you ...
Central vs Individual Water Heaters: Which Costs Less?
Should you install one central water heater for the whole building, or an individual unit at each bathroom? Mo...
What Size Water Heater Do I Need? Capacity Guide
"What size water heater do I need?" is the most common question we are asked, and the one most often answered ...
Electric Heater vs. Solar Heater vs. Heat Pump: The Ultimate Engineering Guide
Once you have decided on electricity rather than gas, a second choice appears that matters far more to your lo...
Before You Buy a Water Heater… 5 Critical Mistakes to Avoid
Most water heater regret is not caused by buying a bad product. It is caused by buying a reasonable product fo...