Top 10 Air Source Heat Pump Installers in Bristol
Choosing an air source heat pump installer in Bristol is not just about finding the cheapest quote. The right system depends on careful design, accurate heat loss calculations, suitable radiator sizing, hot water cylinder space, outdoor unit placement, noise assessment and reliable aftercare. This matters even more in Bristol, where homes range from Georgian and Victorian terraces in Clifton, Redland and Bishopston to semi-detached homes in Horfield, family houses in Fishponds, newer properties in Brislington and commercial buildings across South West England. A proper survey should always come before a final price, system size or grant decision.
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Quick Answer: Who are the best air source heat pump installers in Bristol?
The best air source heat pump installers in Bristol depend on your property type, budget, grant eligibility, preferred heat pump brand and the quality of the installer’s survey process. Bristol customers should compare MCS certified heat pump installers, ask for a room-by-room heat loss assessment, check BUS grant support and review warranties, aftercare and quote detail before choosing.
Why Choosing the Right Heat Pump Installer in Bristol Matters
A well-installed heat pump can provide efficient heating and hot water, but performance depends heavily on the design. A poor design can lead to higher running costs, cold rooms, noise complaints or unnecessary radiator changes.
For Bristol homes, a good installer should consider:
- Correct system sizing: The heat pump should match the property’s heat demand, not simply replace the boiler size.
- Room-by-room heat loss calculations: Each room should be assessed so radiators and flow temperatures can be designed properly.
- Radiator upgrades: Some existing radiators may be suitable, but others may need to be larger to work efficiently at lower flow temperatures.
- Hot water cylinder requirements: Many air-to-water heat pumps need a suitable cylinder, so cupboard, loft or utility space must be checked.
- Outdoor unit siting: Terraced layouts, side returns, gardens, alleys and neighbours’ windows all affect where the unit can go.
- Noise assessment: The outdoor unit must be positioned with noise rules and neighbour amenity in mind.
- MCS certification: BUS-funded installations must be handled by an MCS certified installer. Ofgem states that installers need MCS certification to apply for Boiler Upgrade Scheme vouchers on behalf of property owners.
- Boiler Upgrade Scheme support: Eligible customers in England and Wales may currently get £7,500 towards an air-to-water heat pump.
- Planning awareness: Bristol conservation areas, listed buildings, flats and visible outdoor units may need extra checks.
- Aftercare and servicing: A heat pump should be commissioned properly, explained clearly and serviced regularly.
Top 10 Air Source Heat Pump Installers in Bristol
This list is designed to help Bristol customers compare installers. It is not a claim that one company is automatically the best for every home. Always check current MCS status, insurance, reviews, warranties, grant support and survey quality before booking.
1. Simple Green Energy Ltd
Best for: Survey-led renewable heating advice and wider home energy upgrades
Simple Green Energy Ltd is worth comparing if you want air source heat pump advice alongside wider renewable and energy-efficiency options. The company offers professional installation services for solar panels, air source heat pumps, boilers, insulation, ventilation and EV chargers across England and Wales, with free quote support available through its website.
For Bristol homeowners, landlords and property managers, Simple Green Energy Ltd may suit projects where the heat pump needs to be considered alongside insulation, solar PV, battery storage or EV charging. That can be useful for older homes in areas such as Bedminster, Easton, St George and Southville where heating performance may depend on both the heating system and the building fabric.
Before choosing, customers should ask about current MCS certification for heat pump installation, BUS grant support, room-by-room heat loss calculations, radiator checks, cylinder options, workmanship warranty, product warranties and aftercare.
2. Green Flare
Best for: Bristol-based renewable heating and premium system design
Green Flare is a Bristol renewable energy company offering ground and air source heat pump installations, with services covering residential and commercial customers. Its website describes a process including survey, heat pump selection and cost breakdown, installation, commissioning and handover documents such as MCS certification, DNO notification, manuals and warranty information.
Bristol customers may compare Green Flare if they want a local company familiar with renewable technologies, underfloor heating, solar PV and battery storage. This could suit larger homes, higher-spec retrofits, new builds or customers who want heating and electricity generation reviewed together.
Before booking, ask which heat pump brands are being specified, whether the quote includes radiator upgrades, what flow temperature the design is based on, how noise will be assessed, whether servicing is available and how BUS eligibility will be checked.
3. Gregor Heating / Gregor Renewable
Best for: Established Bristol, Bath and Somerset coverage
Gregor Renewable promotes air source heat pump installation across Bristol, Bath and Somerset. Its website says it installs air-to-water and air-to-air heat pumps and mentions Daikin and Mitsubishi systems. It also states that its MCS-accredited installers have been installing air source heat pumps for over 15 years.
This installer may suit Bristol households that want a local heating company with renewable experience and aftercare capacity. It could be worth comparing for suburban homes in Horfield, Fishponds, Westbury-on-Trym, Stoke Bishop and Brislington where outdoor space and cylinder options may be easier than in tight terraced streets.
Before choosing Gregor, ask for a full heat loss report, clear radiator schedule, hot water cylinder specification, controls proposal, warranty terms and confirmation that the BUS grant will be shown as a deduction on the quote if the property is eligible.
4. Solarsense
Best for: Renewable energy projects combining heat pumps with solar PV
Solarsense is a renewable energy contractor near Bristol. Its heat pump page says the company is MCS accredited for both air and ground source heat pumps and recommends heat pumps for properties with good insulation and draught-proofing.
Bristol customers may compare Solarsense where a heat pump is part of a wider renewable energy plan, especially if solar PV, battery storage or commercial sustainability upgrades are also being considered. This may suit larger detached properties, small commercial buildings, rural-edge homes and customers wanting a joined-up low-carbon energy design.
Before booking, check whether the company is taking on domestic retrofit heat pump projects in your specific BS postcode, what survey process is included, whether they handle BUS applications, which heat pump brands they install and how they assess insulation, radiator sizing and cylinder space before finalising the quote.
5. Rickman Renewables
Best for: Bristol-based heat pump and solar comparison
Rickman Renewables describes its main focus as air source heat pumps and solar panel systems in and around Bristol. Its website also says the company is MCS accredited and can guide customers through heat pump grant funding.
This company may appeal to Bristol homeowners who want a local installer focused on heat pumps and solar PV. It may be especially relevant for customers looking to combine a heat pump with solar panels to reduce grid electricity reliance, although savings depend on system design, usage pattern, tariff and battery storage.
Before choosing Rickman Renewables, ask for the heat loss calculation, proposed seasonal efficiency, radiator upgrade list, cylinder size, MCS certificate process, workmanship warranty, product warranty and servicing options. Also check whether solar and heat pump proposals are designed together or quoted separately.
6. Core Renewable Solutions
Best for: Bristol-focused MCS heat pump installation
Core Renewable Solutions presents itself as an MCS-registered heat pump installer in Bristol. Its website focuses on air source heat pump installation for customers wanting lower-carbon heating and hot water.
This installer may be worth comparing for Bristol homeowners who want a local renewable heating company and a straightforward ASHP installation route. It could suit homes replacing gas, oil, LPG or direct electric heating, provided the survey confirms heat loss, emitter sizing and cylinder suitability.
Before booking, ask whether the company will complete a room-by-room heat loss survey, whether the quotation includes all radiator and electrical works, how outdoor unit noise will be assessed, what documentation you receive after installation and whether annual servicing is available.
7. Sustain Heating & Renewables
Best for: Clevedon-based renewables covering Bristol and the South
Sustain Heating & Renewables is based in Clevedon and describes itself as specialising in air source heat pumps and solar energy for homeowners and business owners in the South of England. Its website lists air source heat pumps, solar PV, battery storage, EV charging, underfloor heating and servicing.
This company may suit Bristol and North Somerset customers who want heat pump installation with other renewable options. It could be useful for homeowners considering underfloor heating, solar PV or battery storage alongside a heating upgrade.
Before choosing Sustain, check current MCS status for air source heat pumps, whether the BUS application is included, what heat pump brands are offered, whether they provide a full scope of works after an engineer visit, and what servicing or maintenance support is available after commissioning.
8. Swift Renewables
Best for: South West heat pump, solar and battery projects
Swift Renewables says it designs and installs solar panels and air source heat pumps for homes and small businesses across Somerset, Devon, Dorset, South Wales and Bristol. Its site also lists heat pump coverage in North Somerset, Bristol, Gloucestershire and South Wales.
Bristol customers may compare Swift Renewables if they want a South West renewables installer that can look at heat pumps, solar PV and battery storage together. This may suit homes with suitable roof space, higher daytime electricity usage or customers planning a wider retrofit.
Before booking, ask how they calculate heat loss, whether they assess existing radiators and pipework, whether the proposal includes hot water cylinder changes, how installation disruption is managed and whether aftercare is provided locally for Bristol customers.
9. Bristol Gas Co.
Best for: Heating-led heat pump advice in Bristol and Bath
Bristol Gas Co. has published heat pump content for Bristol and Bath customers and describes itself as MCS-certified and Heat Geek Elite. Its article also references support with the £7,500 Boiler Upgrade Scheme grant.
This installer may suit customers who want a heating-engineering-led approach, particularly where an existing boiler system is being replaced. For many Bristol homes, especially older terraces and semis, understanding the current heating system, pipework and radiators is just as important as choosing the heat pump brand.
Before booking, ask for a detailed design pack, radiator schedule, proposed flow temperature, cylinder recommendation, outdoor unit location plan, grant process and commissioning documents. Also check reviews, insurance, warranty cover and servicing availability.
10. BPM Contracting Services
Best for: South West installation with electrical and maintenance experience
BPM Contracting Services offers air source heat pump installation across the South West and lists Bristol as one of the areas served. Its website describes system design and specification, maintenance and servicing, smart controls, MCS installation, commissioning and handover paperwork.
BPM may be worth comparing for Bristol homeowners who want an installer with electrical and property maintenance experience, especially where consumer unit checks, smart controls or wider property works may be needed.
Before choosing BPM, check current MCS certification, whether the estimate is confirmed only after survey, what heat pump brands are used, whether radiator upgrades and cylinder installation are included, and what aftercare package is available.
Installer Comparison Table
| Installer | Good For | Services to Check | Key Question to Ask |
|---|---|---|---|
| Simple Green Energy Ltd | Heat pumps plus wider renewable upgrades | ASHP, solar PV, battery, EV charging, insulation | Will you complete a room-by-room heat loss survey before confirming cost? |
| Green Flare | Bristol renewable heating projects | ASHP, GSHP, solar, battery, underfloor heating | What design documents and MCS paperwork will I receive? |
| Gregor Heating / Gregor Renewable | Bristol, Bath and Somerset heating upgrades | ASHP, air-to-air, servicing, renewable heating | Which Daikin or Mitsubishi system suits my heat loss? |
| Solarsense | Heat pumps with solar-led renewables | ASHP, GSHP, solar PV, commercial renewables | Is my property insulated enough for the proposed system? |
| Rickman Renewables | Bristol heat pump and solar projects | ASHP, solar PV, grant guidance | Can the heat pump and solar design be modelled together? |
| Core Renewable Solutions | Bristol-focused ASHP installation | ASHP installation, MCS checks | What does your survey include before quotation? |
| Sustain Heating & Renewables | Clevedon/Bristol renewables | ASHP, solar, battery, EV, underfloor heating | Is BUS grant support included in the quote process? |
| Swift Renewables | South West homes and small businesses | ASHP, solar PV, battery storage | How do you assess radiators, pipework and cylinder space? |
| Bristol Gas Co. | Heating-led ASHP replacement | ASHP, heating system assessment | What flow temperature is the system designed to run at? |
| BPM Contracting Services | ASHP with electrical and controls support | ASHP, smart controls, servicing | Are electrical works and commissioning included? |
What Makes a Good Air Source Heat Pump Installer in Bristol?
A good heat pump installer should make the design clear before asking you to commit. Use this checklist when comparing air source heat pump installers Bristol customers may be considering:
- MCS certification for the relevant heat pump technology
- Room-by-room heat loss survey
- Clear quote breakdown
- Boiler Upgrade Scheme support
- Suitable heat pump brand options
- Radiator and pipework assessment
- Hot water cylinder advice
- Outdoor unit siting and noise assessment
- Electrical checks
- Commissioning documents
- MCS certificate and handover pack
- Product warranty and workmanship warranty
- Servicing and aftercare support
- Customer reviews and case studies
- Written explanation of exclusions, assumptions and optional extras
How Much Does an Air Source Heat Pump Cost in Bristol?
Air source heat pump cost in Bristol depends on the property, not just the heat pump unit. A small, well-insulated home may need fewer radiator upgrades, while a large Victorian terrace or detached house may need more design work, larger emitters, a bigger cylinder or pipework changes.
Energy Saving Trust gives a typical UK air source heat pump installation cost of around £11,000, but real projects vary depending on property size and the work needed.
The table below uses practical Bristol heat pump installation cost estimates. These are guide figures only and should not replace a survey-based quote.
| Property Type | Typical System Size | Possible Work Required | Estimated Cost Before Grant | Estimated Cost After £7,500 BUS Grant |
|---|---|---|---|---|
| Small flat or maisonette | 4–6kW | Outdoor siting checks, cylinder challenge, radiator review | £8,000–£11,000 | £500–£3,500 |
| 2-bed terrace | 5–7kW | Radiator upgrades, cylinder, electrical checks | £9,500–£13,000 | £2,000–£5,500 |
| 3-bed semi-detached home | 6–9kW | Heat loss survey, radiators, cylinder, controls | £11,000–£15,000 | £3,500–£7,500 |
| Larger Victorian or Georgian terrace | 8–12kW | Insulation checks, radiator upgrades, pipework review, careful siting | £13,000–£18,000 | £5,500–£10,500 |
| Detached or larger family home | 10–16kW | Larger cylinder, more emitters, electrical work, possible access needs | £15,000–£23,000+ | £7,500–£15,500+ |
| Small commercial property | 12kW+ | Non-domestic design, plant location, electrical capacity, controls | Survey required | Grant route depends on eligibility |
Costs vary depending on property size, heat loss, insulation, radiator upgrades, pipework, cylinder size, electrical work, scaffolding or access, brand choice and installer pricing.
Boiler Upgrade Scheme for Bristol Homes
Bristol homes in England may be eligible for the Boiler Upgrade Scheme if the project meets the scheme rules. Ofgem says the scheme is open in England and Wales and provides upfront grants to reduce the cost of installing heat pumps and biomass boilers in homes and non-domestic buildings.
For many Bristol customers, the key points are:
- Eligible homeowners may currently qualify for £7,500 towards an air-to-water heat pump.
- The installer must be MCS certified for the relevant technology.
- The grant is normally handled through the installer, not claimed directly by the customer.
- The installer should show the grant as a deduction on the quote where applicable.
- Retrofit installations usually need to replace an existing fossil-fuel or electric heating system.
- Where a valid EPC exists, the EPC number may be required; where no valid EPC exists, Ofgem says installers may be asked for alternative evidence.
- Customers should check current eligibility before committing, because grant rules and funding levels can change.
Energy Saving Trust also notes that from 21 July 2026 to 31 March 2027, some eligible off-gas grid properties using oil or LPG may access higher temporary funding, so rural-edge Bristol and South West customers should ask their installer to check the latest rules.
Are Bristol Homes Suitable for Air Source Heat Pumps?
Many Bristol homes can be suitable for air source heat pumps, but suitability depends on survey results. Heat pumps can work in older homes as well as newer properties, but design quality becomes more important when heat loss is higher.
Homes often suitable include:
- Homes with reasonable loft, wall and floor insulation
- Homes with space for an outdoor unit
- Homes that can accommodate a hot water cylinder
- Homes replacing oil, LPG, direct electric heating or older gas boilers
- Semi-detached and detached homes with garden or side access
- Larger homes where running costs can be optimised with good design
- Homes where solar PV or battery storage may support electricity use
Homes needing extra checks include:
- Victorian and Georgian terraces in Clifton, Redland, Southville and Bedminster
- Listed buildings
- Conservation area properties
- Homes with microbore pipework
- Homes with single glazing or high draught levels
- Flats or maisonettes
- Homes with limited cylinder space
- Properties with no obvious outdoor unit location
- Terraced streets where neighbours’ windows are close to the proposed unit
The key is not to assume. A proper survey should confirm heat loss, emitter sizing, cylinder space, outdoor unit position, electrical capacity and planning constraints before the final design is agreed.
Bristol Planning and Conservation Considerations
Many domestic air source heat pump installations may fall under permitted development, but only where all relevant limits and conditions are met. The Planning Portal states that domestic air source heat pumps can be permitted development if conditions are satisfied, including MCS 020 compliance, outdoor unit size limits, limits on the number of units, roof restrictions and conservation/listed-building restrictions.
Bristol customers should be especially careful with:
- Conservation areas
- Listed buildings
- Flats and maisonettes
- Outdoor unit visibility from highways
- Noise assessment
- Boundary and neighbour window considerations
- Multiple heat pump units
- Flat roof locations
- Commercial or mixed-use buildings
- Article 4 Directions or planning conditions
Bristol City Council states that conservation areas have stricter planning controls and that you may need planning permission for development in these areas. For listed buildings, the council says adding renewable energy solutions such as solar panels or air and ground source heat pumps may be acceptable but will require listed and/or planning consent.
Before proceeding, ask your installer whether planning checks are needed or contact Bristol City Council for guidance.
Questions to Ask Before Choosing a Bristol Heat Pump Installer
Ask these before booking a survey or accepting a quote:
- Are you MCS certified for air source heat pumps?
- Can you support the Boiler Upgrade Scheme application?
- Will you complete a room-by-room heat loss survey?
- Which heat pump brands do you install?
- What flow temperature is the system designed around?
- Will I need radiator upgrades?
- Do I need a new hot water cylinder?
- Will my pipework need changing?
- Where will the outdoor unit go?
- How will noise be assessed?
- Do I need planning permission or conservation consent?
- What warranties are included?
- Do you provide aftercare and annual servicing?
- Is the quote fixed after survey?
- Are electrical works, controls and commissioning included?
- How long will installation take?
- What documents will I receive after installation?
Common Mistakes to Avoid
- Choosing on price alone
- Accepting a quote without a heat loss survey
- Not checking MCS certification
- Ignoring radiator sizing
- Forgetting hot water cylinder space
- Assuming microbore pipework will always be suitable
- Poor outdoor unit placement
- Not checking planning restrictions in conservation areas
- Not comparing workmanship and product warranties
- Not asking about aftercare
- Not checking whether the BUS grant is included correctly
- Assuming every Bristol property needs the same size heat pump
Frequently asked questions (FAQs)
Simple answers to common questions about air source heat pump installers in Bristol, costs, grants, planning, radiators, winter performance and installation checks. Speak to Simple Green Energy.
Need heat pump advice?
Speak with Simple Green Energy about air source heat pump surveys, system design, radiator checks, grant guidance and wider low-carbon home upgrades.
Get heat pump adviceFinal Recommendation
Bristol customers should compare at least two or three MCS certified heat pump installers before deciding. The best choice is usually the company that explains the design clearly, carries out a proper survey, gives a detailed quote, checks grant eligibility, considers planning and noise issues, and offers reliable aftercare.
Simple Green Energy Ltd can help Bristol customers explore air source heat pump options, check suitability, discuss grant routes and compare renewable upgrades such as solar PV, battery storage and EV charging.
