Keeping People Warm & Connected
Advice
BOILERS
Money and Energy Saving
Boiler Pressure
Boiler Service
Boiler Types
Boiler Energy Efficiency
Installation Efficiency
Open Therm & Modulating Boilers
OpenTherm Capable Boilers
OpenTherm Controls
Modulating Boilers & Smart Controls
Vaillant Boiler and OpenTherm
Worcester Bosch and OpenTherm
HEAT PUMPS
Heat Pumps
Retrofit for an existing Hot Water cylinder
Air Source Heat Pumps
CO2 Heat Pumps
Why heat pumps work well with underfloor heating?
FAULT CODES
Glow Worm Fault Codes
Intergas Fault Codes
Potterton Fault Codes
Vaillant Fault Codes
Worcester Bosch Fault Codes
MISCELLANEOUS
Flow Temperature and Power Output relationship
solar thermal
solar thermal service
S Plan & S Plan Plus
Radiators
Fixed price repairs
Toolbox
VAILLANT
Vaillant P Test Program mode
Vaillant Ecotec Emissions Table
Vaillant Ecotec Boiler Service - How To
Vaillant Diagnostic S and D Codes
Vaillant FGA Tool
Vaillant Fault Codes
WORCESTER BOSCH
Worcester Bosch FGA Tool
Worcester Bosch Fault Codes
OTHER BRANDS
Intergas FGA Tool
Intergas Boiler Service - How To
Intergas Fault Codes
MISC
Fault Codes
GB Gas - Online
Boiler Maximum and Minimum output mode videos
Calculators
HEATING DESIGN
Air Change Rates (ACH)
Boiler Consumption
Heat Source and Heating System Design
Heating System Water Content Calculator
Hot Water Recovery Time
Pipe Size Calculator
Radiator Correction Factor Tool
Volume Flow Rate Q
CONVERSION CALCULATORS
Heat Output (KW) to Flow Rate (LPS/LPM)
Flow Rate(LPM) to Heat Output (KW)
Flow Rate(LPM) to Energy used (kWh) Calculator
BTU to Watts
Radiator New Output
GAS
Gas Combustion Ratio
Gas Rate Calculator
Gas Volume (M^3) to kWh Calculator
BUFFERS
Buffer Minimum Volume Calculation
Manuals
ENERGY SAVING
Information and resources for home owners and heating professionals to save money by optimising heating systems
COMBI BOILERS
Dedicated resources for combi boilers, including energy saving optimisation and recommendations
HEAT PUMPS
Resources, tools and information for Air and Ground Source Heat Pumps. Both for consumers and engineers.
BOILER MANUALS
User, Installation and Technical Manual resources for boilers, controls and related equipment.