Infrared Heating vs Air Source Heat Pumps: Which Is Right for Your Property?
Infrared heating and air source heat pumps are both electric heating technologies, but they deliver heat in fundamentally different ways.
An air source heat pump extracts energy from outside air and transfers it into the building. Infrared heating converts electricity into radiant heat at the point of use and directs that warmth towards people and surrounding surfaces.
The right choice depends on far more than a headline efficiency figure. Property construction, insulation, occupancy, installation requirements, heating schedules and the areas that actually need heating all matter.
Infrared Heating or an Air Source Heat Pump?
A correctly designed air source heat pump can deliver more useful heat than the electrical energy it consumes because it transfers additional energy from outside air.
Infrared heating is direct electric heating, so it does not provide the same heat-pump efficiency advantage. Its strengths lie elsewhere: simpler installation, radiant heat delivery and the ability to design heating around individual rooms or occupied zones.
For a well-insulated home requiring regular whole-house heating, an air source heat pump can be a strong option. Where heating is intermittent, highly zoned or a major wet-system retrofit is impractical, infrared may offer a simpler alternative.
How Infrared Heating Works
Infrared heaters convert electricity into heat and emit radiant energy towards people and solid surfaces within their effective coverage.
Rather than relying primarily on heating a complete volume of air first, the system can be designed around individual rooms and appropriate heating zones.
Depending on the product, infrared heaters can be installed on walls, ceilings or in other suitable configurations.
How Air Source Heat Pumps Work
An air source heat pump extracts heat from the outside air using a refrigeration cycle and transfers that energy into the property.
In a typical air-to-water installation, the heat is then distributed through a wet heating system using suitable radiators, underfloor heating or other compatible emitters.
The system is generally designed around maintaining the required indoor conditions efficiently rather than providing short bursts of high-temperature heat.
You can also see how this differs from a ground-based system in our guide to infrared heating vs ground source heat pumps.
Infrared Heating vs Air Source Heat Pumps
| Factor | Infrared Heating | Air Source Heat Pump |
|---|---|---|
| Heating principle | Direct electric radiant heating | Transfers heat from outside air |
| Heat delivery | Radiant heat towards people and surfaces | Typically distributes heat through a wet heating system |
| Electricity use per unit of useful heat | Direct electric resistance heating | Can deliver more useful heat than the electrical energy consumed by the heat pump |
| Zoning | Can be designed room by room or around occupied areas | Possible depending on system and control design |
| Installation | No outdoor heat-pump unit or wet distribution system required for the heaters | Outdoor unit plus suitable heating distribution and system design |
| Retrofit disruption | Can often be installed progressively | Depends heavily on the existing heating system and required alterations |
| Mechanical equipment | Fixed infrared panels contain no compressor | Uses compressor, fans and refrigeration components |
| Typical strength | Targeted radiant heating and simpler room-by-room installation | Efficient whole-building heating where the property and system are well matched |
Why Headline Efficiency Doesn't Tell the Whole Story
Air source heat pumps and infrared heaters should not be compared as though they produce heat in the same way.
A heat pump's major technical advantage is that it can transfer additional heat from outside the building, allowing it to deliver more useful heat than the electrical energy consumed by the heat pump.
Infrared heating does not multiply heat output in this way. It is direct electric heating.
Its potential advantage instead comes from the way a system can be divided and operated. Individual rooms or heating zones can have different schedules where the installation and controls are designed accordingly.
That distinction matters because system efficiency and total building energy consumption are related, but they are not the same measurement.
Which Type of Building Suits Each System?
Regular Whole-Home Heating
An air source heat pump can be particularly attractive where a property has substantial and regular heating demand and the complete system can be designed around the heat pump.
- Well-insulated homes
- New-build properties
- Major heating-system renovations
- Homes requiring regular whole-house heating
- Properties with suitable heat emitters and controls
Zoned or Intermittent Heating
Infrared can be worth considering where different rooms or areas have different heating schedules or where major alterations to a wet heating system are undesirable.
- Rooms occupied at different times
- Extensions and individual retrofit areas
- Home offices and studios
- Workshops and commercial spaces
- Buildings where targeted heating is required
Does Cold Weather Affect the Two Systems Differently?
An air source heat pump obtains energy from outdoor air, so its performance is linked to operating conditions and the temperature difference the system is working across.
The system still operates in cold weather, but actual efficiency varies with conditions and system design.
An electric infrared heater does not extract its heat from outside air. Its electrical input therefore does not depend on an outdoor heat source in the same way.
However, this should not be confused with the building's heating demand. As outdoor temperatures fall, a property generally loses heat more quickly and may require more heating regardless of the technology installed.
Installation and Retrofit Disruption
The practical difference between the systems can be substantial.
An air source heat-pump project requires an appropriate outdoor unit position and integration with the property's heating system. Depending on the existing installation, changes to pipework, radiators, controls or other equipment may also be required.
Infrared heating does not require a central wet distribution system for the heaters. Individual heaters can instead be installed in the rooms or areas being heated.
That can make infrared attractive for phased retrofits, extensions and buildings where extensive heating-system alterations would be difficult.
Infrared does not mean “no installation”. Fixed heaters still require suitable mounting positions, electrical supply and product-specific controls. Electrical and installation requirements should always follow the heater manufacturer's instructions.
Which Is Cheaper to Run?
There is no responsible single answer without knowing the property and heating pattern.
For the same useful heat requirement, a correctly operating heat pump can use less purchased electricity than direct electric resistance heating because part of the heat delivered comes from the outside environment.
Infrared can affect the calculation differently by allowing heating to be divided between individual rooms or appropriate zones.
If only part of a property needs heating at a particular time, the ability to avoid operating heaters elsewhere can reduce the total heating demand being served.
This is why running-cost comparisons should consider the whole heating strategy, not simply the electricity consumed by one appliance during one hour.
For a more detailed comparison, read our guide to infrared heating vs heat pumps running costs.
Maintenance and Long-Term Ownership
An air source heat pump is a mechanical refrigeration system containing components such as a compressor, fan, controls and associated heating equipment.
Maintenance and servicing requirements depend on the manufacturer, installation and system.
Fixed electric infrared panels are mechanically simpler at the heater itself and do not require a compressor, fan or combustion system to produce heat.
That does not make an infrared installation maintenance-free. Heaters, controls and electrical connections should still be inspected and maintained as appropriate.
5 Questions to Ask Before Choosing
Does the Whole Property Need Regular Heating?
A home requiring consistent heating across most rooms presents a different case from a property where rooms are occupied at very different times.
How Well Insulated Is the Building?
The building's heat loss affects the required heating output whichever technology is selected.
What Existing Heating Infrastructure Is Present?
Existing pipework, radiators, electrical capacity and controls can materially affect the complexity and cost of either project.
How Important Is Independent Room Control?
Consider whether the entire property follows a similar heating schedule or whether individual rooms require substantially different operating times.
How Much Installation Work Is Practical?
A complete heat-pump retrofit and a room-by-room infrared installation involve very different levels and types of work.
Infrared Heating vs Air Source Heat Pump FAQs
Is an air source heat pump always cheaper to run than infrared?
Not necessarily in every building or usage pattern. A correctly designed heat pump can use less electricity to deliver the same useful quantity of heat, but total running cost also depends on how much of the property is heated, operating hours, controls, electricity tariffs and building heat loss.
Is infrared heating more efficient than a heat pump?
Not when efficiency is defined as useful heat delivered per unit of purchased electricity. A heat pump can transfer additional heat from outside air, whereas infrared is direct electric heating. Infrared's advantages instead include radiant heat delivery, zoning flexibility and simpler installation in suitable applications.
Which is easier to retrofit?
Infrared can often involve fewer changes to the building because it does not require a central wet distribution system for the heaters. Air source heat-pump retrofits vary considerably depending on the existing heating system and the alterations required.
Can infrared heating and a heat pump be used together?
A building can use more than one heating technology. Whether combining them is appropriate depends on the building, heating requirements, controls and intended use of each system.
Do infrared panels work with solar PV?
Infrared heaters use electricity, so electricity generated by a solar PV system can contribute to their consumption when generation and heater demand occur at the same time. The amount supplied directly by solar depends on the PV output, household demand, heating load and any battery or energy-management system.
Which is better for a new-build home?
A new build provides an opportunity to design the heating system, insulation and heat emitters together. A heat pump may suit regular whole-home heating, while infrared may appeal where simple electric infrastructure and highly independent room control are priorities. The appropriate choice depends on the complete building design.
Not Sure Which Heating System Suits Your Property?
The right heating system depends on your building rather than a headline efficiency figure.
Infrared Heating Supplies can help assess room dimensions, building type, usage patterns and the level of heating control you require.