Frequently Asked Questions
Heating & Plumbing FAQs
Plain-language answers to the questions our Gas Safe engineers are asked most often — covering boilers, heat pumps, servicing, emergencies, grants, and more.
Boiler FAQs
Common questions about boilers — from choosing a new one to understanding how they work.
Boiler Installation FAQs
Everything you need to know about getting a new boiler installed.
Boiler Servicing FAQs
Questions about annual boiler servicing and what to expect.
Emergency Heating FAQs
What to do when your heating or hot water fails unexpectedly.
Air Source Heat Pump FAQs
Your questions about air source heat pumps answered.
Power Flushing FAQs
Common questions about power flushing your central heating system.
LPG Heating FAQs
Questions about LPG boilers and heating for off-gas properties.
Oil Boiler FAQs
Frequently asked questions about oil heating systems.
Commercial Heating FAQs
Heating and gas safety questions for business owners and landlords.
Care Plan FAQs
Questions about Halo Heating's Guardian Care Plan.
Combi Boiler FAQs
Everything you wanted to know about combi boilers.
System Boiler FAQs
FAQs about system boilers and hot water cylinders.
Radiator FAQs
Common questions about radiators and heat distribution.
Thermostat & Controls FAQs
Questions about heating controls, smart thermostats, and programmers.
Gas Safety FAQs
Your gas safety questions answered by our Gas Safe engineers.
Landlord Heating FAQs
Heating and gas safety obligations for landlords and letting agents.
Energy Efficiency FAQs
How to make your heating more efficient and cut your bills.
Boiler Pressure FAQs
Understanding and managing your boiler's pressure.
Underfloor Heating FAQs
Questions about underfloor heating systems.
Smart Home Heating FAQs
How to integrate smart technology with your heating system.
Grants & Finance FAQs
Government grants and finance options for heating upgrades.
Emergency Plumbing FAQs
What to do in a plumbing emergency.
Worcester Bosch Boiler FAQs
Common questions about Worcester Bosch boilers.
Vaillant Boiler FAQs
Frequently asked questions about Vaillant boilers.
Annual Heating Maintenance FAQs
Questions about keeping your heating system in top condition year-round.
Can't Find Your Answer?
Our Gas Safe registered engineers are happy to answer any heating or plumbing question and provide free, no-obligation quotes for work across Surrey.