5 Key Questions to Ask Before Choosing a Heat Pump Installer

Many British homeowners are surprised to hear that not all heat pump installations are created equal. The performance, comfort and savings you expect can hinge on the installer’s know-how and local experience, not just the equipment itself.
If you’re considering heat pump installation this autumn, the cold nights ahead make it a smart time to act. But how can you be sure you’re choosing the right local provider? Here are the five most important questions to ask before making your decision.
1. Are You a Certified Installer, and What Standards Do You Follow?
Certification matters. MCS certification is the recognised standard for low-carbon heating installers in the UK. This ensures your system will be eligible for grants like the Boiler Upgrade Scheme, and that best practice is followed from survey to commissioning. MCS installers are regularly audited and must continue meeting strict standards—find out more about the scheme at MCS Certified.
- Ask for proof of MCS certification.
- Check if the installer follows the Renewable Energy Consumer Code (RECC) for consumer protection.
- Find out if their team is local and familiar with Lincolnshire’s specific housing types.
- Request examples of recent installations in your area.
For local, certified support and free home surveys, you can find out more here.
2. What’s Included in My Survey and Quote?
Clarity at the start avoids headaches later. A thorough home survey should cover your home’s heat loss, existing radiators, insulation levels and hot water needs. This should lead to a tailored system design and a fixed-quote—no surprises.
Before agreeing to anything, ask exactly what’s included. Some companies might only offer a ballpark estimate, which can quickly go up once the job starts. Make sure your survey and quote cover:
- Full property assessment (including radiators and pipework)
- System specification and output calculations
- Details on controls, hot water, and any required upgrades
- All installation works, labour and aftercare
- Any grant deductions or paperwork
It’s worth comparing how each installer structures their service. This ties in with what we discussed in Choosing a Property Assessment Provider: Key Questions for Homeowners—thoroughness at this stage pays off.
3. How Does the Boiler Upgrade Scheme Grant Work and Who Handles the Paperwork?
The Boiler Upgrade Scheme offers a significant grant towards heat pump installation costs, but the process and paperwork can trip up the unprepared. Some installers handle the application for you and deduct the grant from your bill—others expect you to claim it yourself.
Key questions to ask:
- Will you handle all grant paperwork and applications?
- Is the grant value taken off my final bill before payment?
- How will I be updated on the progress of my grant?
Clear answers here can save stress and expense. For official details, the government’s Boiler Upgrade Scheme page is a useful source.
4. What Aftercare and Guarantees Are Provided?
Choosing a heat pump is a long-term decision. Reliable aftercare matters as much as initial installation, especially when autumn turns to winter. Look for:
- Length and details of workmanship guarantees (7 years is common for reputable firms)
- Availability of annual servicing and maintenance
- Clear process for support and emergency callouts
Don’t just rely on promises—ask for details in writing. You can check real-life examples of what this looks like by reviewing ASHP Lincolnshire and their local installation case studies. A strong guarantee isn’t just for peace of mind; it’s a sign the company stands behind its work.
5. Can I See Local References and Evidence of Past Work?
Nothing beats seeing proof of successful installations in homes like yours. A reputable installer should be able to provide references or let you see independent reviews. Ideally, ask for at least two of the following:
- Case studies from similar Lincolnshire properties
- Contact details of local homeowners who can share their experience
- Before-and-after photos of recent work
- Membership of consumer protection schemes like TrustMark (TrustMark)
Don’t be afraid to ask follow-up questions. Was the installer professional? Did the project run on time? How has the system performed through last winter?
Choosing Wisely: Protecting Your Investment in Heat Pump Installation
Getting answers to these five questions will help you avoid common pitfalls, from hidden costs to poor aftercare. It’s your home, your comfort and your money on the line. Take the time to check each point before signing anything—especially as cold weather approaches.
An experienced, local provider who is transparent about their standards, paperwork and aftercare will make the process much smoother. They’ll also ensure that the promised energy savings and steady warmth actually arrive. If you want to see how a local company approaches these steps in real Lincolnshire homes, visit ASHP Lincolnshire.
Frequently asked questions
Do I need to upgrade my radiators for a heat pump installation?
In many cases, existing radiators are suitable, but some homes may require larger or additional radiators for best efficiency. An experienced installer will assess this during the initial survey.
How long does a heat pump installation typically take?
Most installations are completed within a few days, depending on your property’s size and system complexity. Detailed surveys and proper planning will help prevent delays.
Are heat pumps noisy to run compared to gas boilers?
Modern heat pumps are designed to be quiet, producing a steady hum similar to a fridge. Proper installation and siting can minimise any sound further.


