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Our Services

Heat Pump Installations

Energy-Efficient Heating for the Future
Looking for a greener way to heat your home? At Sterling Energy Ltd, we supply and install high-performance air source heat pumps, helping you reduce your carbon footprint, lower your energy bills, and futureproof your property. Whether you’re upgrading your current system or installing a heat pump as part of a new build, our expert engineers will guide you through the entire process—professionally, legally, and with total peace of mind.
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What Is a Heat Pump?

It works like a reverse refrigerator:

  • Pulls in air from outside
  • Compresses and transfers heat into your central heating system
  • Works with radiators, underfloor heating, and heat pumps.

Why Choose a Heat Pump?

  • Up to 300% efficiency – more energy out than it uses
  • Lower carbon emissions than gas or oil
  • Eligible for government grants & incentives (subject to scheme availability)
  • Works all year round—even in cold weather
  • Pairs well with underfloor heating or low-temperature radiators
  • Long lifespan with minimal maintenance
  • Perfect for eco-conscious homeowners, new builds, or properties switching from oil or LPG.

Our Hot Water Cylinder Installation Process

  • 1.

    Initial Consultation: We’ll talk through your heating needs, current system, and property layout to see if a heat pump is right for you.

  • 2.

    Free Home Survey: One of our qualified engineers will visit your property to carry out a technical survey, including insulation levels, heat loss calculations, and existing pipework suitability.

  • 3.

    Fixed, Transparent Quote: We’ll provide a detailed proposal and fixed-price quote for your heat pump system—no hidden extras.

  • 4.

    Expert Installation: Our G3-certified engineers install your cylinder safely and to the highest standard. We’ll also take care of:

    • Pressure testing
    • Safety valves
    • Expansion vessels (for unvented)
    • Benchmark certification
    • Building Regulations compliance and notification

Why Choose Sterling Energy?


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Fully insured, certified and experienced heat pump installers

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Honest, expert advice

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G3 qualified for cylinder integration

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Clean, tidy and respectful in your home

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Local, trusted service with a focus on quality

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Up to 7-year manufacturer guarantees available on selected systems

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Areas We Cover

We Service Air Conditioning Systems Across:

Faringdon, Abingdon, Oxford, Wantage, Didcot, Witney ...and nearby villages!

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We Look Forward to Hearing From You

We’re committed to clear communication, fast responses, and personalised support every step of the way.