Energy Stack guides
Long-form reference articles on solar, battery storage, EV charging, heat pumps and air conditioning. Each guide brings the technical, regulatory and product information for a specific subject into one place.
Heat pumps & AC · comparison guide
Home air conditioning in the UK: fixed systems and room coverage
Fixed home AC in the UK: air-to-air heat pumps, split-system types, indoor units, room coverage, sizing and efficiency ratings.
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Heat pumps & AC · installation guide
Installing fixed air conditioning in a UK home
Fixed home AC installation in the UK: design, sizing, siting, planning, F-gas work, electrical supply, condensate and records.
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Heat pumps & AC · comparison guide
Portable versus fixed air conditioning for a UK home
Portable and fixed home AC compared: heat rejection, efficiency, room coverage, installation, condensate and heating.
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Heat pumps & AC · operation guide
Running home air conditioning efficiently
How to run fixed home AC efficiently through heat-gain control, schedules, room controls, filter maintenance, monitoring and solar PV.
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EV charging · operation guide
Charging an EV from home solar
How home solar EV charging measures surplus, controls AC charging, coordinates with a battery and provides enough energy for the next journey.
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Battery storage · buying guide
Choosing a home battery
How to compare home battery systems by usable capacity, power, AC or DC architecture, location, DNO connection, backup, controls, warranty and support.
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EV charging · tariff guide
Choosing an EV electricity tariff
How to compare Great Britain EV electricity tariffs using the whole household bill, charging access, vehicle and charger compatibility, export terms and home battery behaviour.
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Heat pumps & AC · comparison guide
Comparing air-source heat-pump quotes
How to compare UK air-to-water ASHP (air source heat pump) quotations on the same technical and commercial basis, from heat loss and unit selection to controls, warranties and handover.
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Solar · comparison guide
Comparing solar quotes
How to compare UK home solar quotations on the same basis, including roof evidence, array design, yield, inverter, mounting, DNO work, warranties and handover.
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Heat pumps & AC · operation guide
Heat-pump controls and settings
A practical guide to weather compensation, room influence, schedules, setbacks, TRVs (thermostatic radiator valves), hot water, backup heat and monitoring for a hydronic heat pump.
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Battery storage · installation guide
Home battery backup
How to specify home battery backup, including backed-up circuits, whole-home changeover, power and energy limits, island-mode protection, PV continuation and commissioning.
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Battery storage · installation guide
Home battery storage: capacity, power and installation design
A UK reference guide to home battery capacity, power, architecture, location, grid connection, backup, commissioning and handover.
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Battery storage · operation guide
Home battery tariff charging
How to set up and review home battery grid charging around a time-of-use tariff, solar generation, household demand, reserve, power limits and export terms.
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EV charging · installation guide
Home EV charger installation: survey, connection and handover
A UK reference guide to home EV chargepoint survey, electrical design, cable routing, DNO process, commissioning and handover.
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Heat pumps & AC · installation guide
Home air-source heat-pump installation: survey, design and handover
A UK guide to the survey, heat-load calculation, system design, outdoor siting, DNO process, installation, commissioning and records for an air-to-water ASHP (air source heat pump).
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Solar · installation guide
Home solar installation: from roof survey to handover
A UK reference guide to domestic solar PV from roof survey and array design through grid connection, commissioning and handover.
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Solar · tariff guide
Solar export and SEG
How a solar installation in Great Britain moves from DNO connection and export metering to an export MPAN, SEG contract and payment records.
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Solar · operation guide
Solar monitoring and maintenance
How to monitor a home solar PV system, distinguish generation from import and export, respond to faults, plan inspections and keep useful maintenance records.
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