FAQ's - Insulation and Heat Pumps combined
If you want to save energy and lower your bills, using a heat pump with insulation is a great idea. Heat pumps keep your home warm and save you money. They work even better when your house is well-insulated. This is because insulation keeps the heat inside, so you use less energy.
If you live in York, you can get a government grant to help cover the cost. Our advisers can help you find the best insulation and heat pump for your home. They can also connect you with suppliers to get it installed.
Why combine insulation and a heat pump?




Keep your home warm and save money.
Get a government grant to help cover the cost.
Lower your carbon footprint.
How insulation works with a heat pump
A heat pump warms your home at a lower temperature than other heating systems, so insulation is important to keep the heat in. Using both together can keep your home comfortable and save you money on energy bills.
There are two main types of heat pumps:
Heat pump | How it works | Pros | Cons |
Air source | Takes heat from the air | Ideal for most homes in York | Less efficient than ground source |
Ground source | Pumps energy from the ground | More efficient than air source | Can be expensive and needs suitable land |
There are also a few insulation options to choose from:
Insulation type | What it does | Best for homes |
Loft insulation | Reduces heating loss in loft | With lots of loft space |
Room-in-roof insulation | Improves comfort in loft | With a converted loft |
Cavity wall insulation | Improves comfort throughout home | With limited inside space |
Internal wall insulation | Improves comfort throughout home | With lots of inside space |
External wall insulation | Improves comfort throughout home | With external wall access |
Underfloor insulation | Reduces heat loss through floors | With exposed or drafty floors |
Our advisors can help you find the best heat pump and insulation combination for your home. They can also connect you with suppliers to get everything installed.

What does the insulation and heat pumps combined solution look like and where does it fit in your hou
Air source heat pumps
Air source heat pumps have an outdoor part that’s similar in size to a large air conditioner. They usually sit outside on the floor, attached to your wall.
Ground source heat pumps
This type of heat pump requires enough outdoor space for digging trenches or drilling holes. It is also about the size of a large air conditioner and is placed on the ground next to your wall.
Both heat pumps have an inside part that is about the size of a fridge. This includes pipes and other equipment.
Insulation is usually less noticeable than a heat pump. Here’s an idea of what each type looks like, and where it goes:
Insulation | What does it look like? | Where does it go? |
Loft insulation | A soft and fluffy blanket. | Between wooden beams in the loft. |
Room-in-roof insulation | Can be soft and fluffy, spray foam or solid. | Between wooden beams and hard to reach corners of the loft. |
Cavity wall insulation | A fluffy material or tiny beads. | Fits between walls. |
Internal wall insulation | Flat and rectangular panels. | On inside walls. |
External wall insulation | Can be fluffy like wool, made from wood, or plastic. | On outside walls. |
Underfloor insulation | Can be soft and fluffy like wool, or hard and firm. | Hidden under the floor. |
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