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Heat pump outdoor unit on wall brackets on a brick commercial building on a frosty morning

Air-to-air heat pumps in County Durham

A free survey, a clear specification and a fixed price for air-to-air heat pumps in County Durham.

  • Free site survey and fixed written quote
  • Unit sizes, refrigerant and price set out in writing
  • Work planned around your opening hours

How much does an air-to-air heat pump cost in County Durham?

Budget roughly £1,550–£3,695 per zone ex VAT in County Durham. For a typical job — shop or office heated and cooled by 2–4 units — expect £4,195–£12,695 plus VAT. The fixed price follows a free survey.

An air-to-air heat pump takes heat from the outside air and releases it indoors as warm air — the same equipment as reverse-cycle air conditioning, sized and set up for heating.

Our coverage in County Durham

We cover all of County Durham, including Darlington, Hartlepool, Stockton-on-Tees, Durham and Chester-le-Street. Wherever your premises are, the survey, quote and installation follow the same steps.

Postcode districts we cover include DH1, DH7, DL1, DL12, DL17, TS16, TS23 and TS29. Buildings across County Durham range from converted period offices to modern units with deep ceiling voids, so we measure each site rather than relying on a standard package.

What the job covers

  • Units selected for low-temperature heating output
  • Outdoor units positioned for air flow and defrost drainage
  • Controls with schedules and set-back temperatures
  • Commissioning and handover
  • Running-cost guidance against your current heating

Local guide prices for County Durham

Prices below include our regional adjustment for the North East (6% below the UK guide).

Air-to-air heat pumps guide prices, County Durham
ItemGuide price (ex VAT)Inc VATBasis
Wall-mounted heat pump unit£1,550–£2,750£1,860–£3,300per zone
Cassette heat pump unit£2,295–£3,695£2,754–£4,434per zone
Floor-standing console unit£1,850–£3,250£2,220–£3,900per zone
Removal of old electric heaters£40–£120£48–£144per heater

Ex VAT, supply and install.

How it works in County Durham

  1. Heat loss survey

    We assess fabric, glazing and ventilation to size for winter as well as summer. For sites in County Durham we confirm access and parking beforehand.

  2. Design

    Units are chosen for their heating output at low outdoor temperatures, not just their cooling rating.

  3. Install

    Outdoor units go where defrost water can drain safely and air flow is not restricted.

  4. Set controls

    Schedules and set-backs are configured so the system heats efficiently.

Things to check in County Durham

Defrost water

Outdoor units shed water and ice when they defrost. They need a drained position away from walkways.

Neighbours and noise

Outdoor units near flats — common above shops — need careful siting so noise at neighbours' windows stays low. We choose positions and quieter units with that in mind.

Building fabric

Draughty or poorly insulated premises need more heating capacity; simple draught-proofing can reduce the size needed.

Leased premises

If your County Durham premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.

Types of premises we cover in County Durham

  • Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.
  • Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.

Compliance in England: refrigerant work falls under GB F-gas rules, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).

Common questions from businesses in County Durham

How much does an air-to-air heat pump cost in County Durham?

Guide prices in County Durham run from about £1,550 to £3,695 per zone, plus VAT. A typical job (shop or office heated and cooled by 2–4 units) costs £4,195–£12,695 plus VAT. We fix the price in writing after a free survey.

Do you also cover Tyne and Wear, Northumberland and North Yorkshire?

Yes. Alongside County Durham, we also cover Tyne and Wear, Northumberland and North Yorkshire. Each has its own page with local guide prices.

Can air conditioning really heat a building?

Yes. Reverse-cycle air conditioning is a heat pump. Sized for heating, it can be the main heat source for many commercial premises.

Do outdoor units ice up?

They frost in cold, damp weather and run short defrost cycles automatically. Drainage is planned so the water does not freeze on a path.

Need air-to-air heat pumps in County Durham?

Free survey and fixed written quote. We reply with a guide price or to book the survey.

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