Summer Energy Poverty: Real Access to Cooling in Romania

Home & Design10 min read

During persistent heat, the real test of a home is not the unit mounted on the wall, but whether there is a room where people can live and sleep in tolerable conditions. For some households, the answer may be no even if they have cooling equipment. The unit may be used too little because of its cost, may serve only one space, or may operate in a home that continuously accumulates heat.

For more information on energy renovation, see also A low bill can conceal a cold home. What the 11.9% figure does not say, which provides complementary details on this subject.

This difference between nominal access and real access changes how summer energy poverty should be understood. The issue cannot be reduced to the number of air-conditioning units or the size of a bill. It concerns, at the same time, household resources, how a building performs and people’s exposure to extreme temperatures.

For Romania, the conclusion must be stated cautiously. Available public sources can describe income, expenditure, housing conditions, arrears, the housing stock and weather exposure. However, in the form identified for this article, they do not provide a single national indicator showing how many households cannot cool their homes or limit cooling for financial reasons.

A three-level problem, not a single answer

A home that is too hot can have the same consequence for its residents but different causes. To avoid treating every situation as the same problem, it is worth distinguishing three levels.

1. The household: can it use cooling when it is needed?

Existing equipment does not guarantee that it works, that it is sufficient for the room in use, or that it is used as much as necessary. Energy costs can become an obstacle, and low electricity consumption can have two very different explanations: efficiency or giving up a necessary energy service.

This caution is also important when interpreting data. Eurostat indicators on the inability to keep a home adequately warm, utility arrears or housing costs are useful for understanding financial pressure. However, they are not a direct measure of the inability to cool a home during summer.

2. The building: how much heat enters and how long does it remain?

Summer comfort depends on several elements acting together: the building envelope, orientation, glazed surfaces, shading, the roof, ventilation, thermal mass and active cooling. Neither insulation considered in isolation nor simply owning a unit can fully describe indoor conditions.

For example, sun-exposed windows without external protection can bring a large amount of heat into a home. A top-floor or under-roof apartment may have a different problem from a shaded home. And ventilating by opening windows is not automatically effective: it may be unsuitable if it is hotter outside, the air is polluted, there is noise, or safety conditions are not met.

3. The public response: who needs support before discomfort becomes risk?

Extreme temperatures are a public-health issue, not merely a matter of comfort. The WHO identifies older people, infants and young children, people with chronic illnesses, pregnant women and workers exposed to heat as groups with greater vulnerability to heat. This evidence explains the need to prepare for heatwave episodes, but it cannot be converted, without specific national data, into an estimate of mortality or hospital admissions in Romania.

At local level, the response may include easy-to-understand warnings, contacting vulnerable people, access to cooler spaces, and coordination among social services, health services and public administration. These measures do not replace building repairs, but they can matter when heat persists.

InfoBuz matrix: four barriers to real cooling access

Rather than asking a single question about air conditioning, this framework looks at four potential barriers. It is not a medical diagnosis and does not establish legal thresholds. It is an orientation tool for readers, reporting and public-policy discussions.

Barrier	Useful question	What it may indicate	Type of response
Equipment	Is there a working solution for the space where people spend time or sleep?	No equipment, a faulty unit, or cooling in only one room.	Repair, a solution suitable for the space, and passive measures adapted to the home.
Cost	Can cooling be used without the bill becoming prohibitive?	Very limited use although heat persists, or giving up use of the equipment.	Targeted support during extreme periods, assessed together with income and actual consumption.
Home	Does the building reduce or amplify heat accumulation?	Exposed glazing, lack of shading, a top floor, a highly exposed roof or difficult ventilation.	Solar control, work on windows, roof and façade, and renovation assessed for the warm season as well.
Exposure	Does heat coincide with medical or social vulnerability, or a lack of alternatives?	People at higher risk, isolation, or no cooler place of refuge.	Warnings, social support, accessible spaces and institutional coordination.

The practical benefit of this distinction is that a cost problem does not call for the same response as an overheated roof terrace, and the absence of a safe space for a vulnerable person cannot be resolved solely through a general statistical indicator.

Three illustrative situations, without real people

The examples below are explanatory scenarios. They do not describe identified households and do not represent estimates for Romania.

A low bill can conceal underconsumption

A family has an air-conditioning unit in just one room and switches it on only for short periods, fearing that the bill will rise. From the outside, low consumption may appear efficient. In reality, it may signal that the household is reducing its use of cooling to avoid an expense it cannot sustain.

Without information on income, the condition of the home and indoor comfort, a bill alone cannot say whether a family is protected.

A renovation may also need solar protection

An insulated apartment has large south-west-facing windows without external shading. During sunny hours, solar gains can heat the interior, and the accumulated temperature can persist into the evening. Insulation reduces heat transfer through building elements, but it does not replace control of solar radiation, ventilation or other solutions designed for summer.

This does not mean renovation is useless. It means that the assessment of work should not be limited to the cold season. Romanian documents on the energy performance of buildings include elements relevant to summer performance, such as cooling, ventilation, orientation, exposure to solar radiation and solar protection.

Discomfort can become a health risk

An older person living alone in a very hot apartment may need more than general recommendations. If they cannot use cooling, cannot ventilate safely and have no temporary alternative, the problem moves from a matter of comfort preference to one of protection during an extreme episode.

The WHO recommends heat action plans that combine warnings, communication, social intervention and service preparedness. This is a public-health recommendation; on its own, it does not demonstrate the scale of the phenomenon in a particular locality or in Romania.

What we know about Romania—and what should not be claimed

The National Meteorological Administration (ANM) is the appropriate institutional source for records and descriptions of extreme temperatures in Romania. This information documents climate exposure, not temperatures inside homes, financial access to cooling or health effects for each household.

Eurostat and the National Institute of Statistics (INS) can contribute data on income, expenditure, housing conditions, overcrowding and other forms of vulnerability. This is relevant information, but it must be treated as indirect indicators. It is not equivalent to directly measuring summer thermal comfort.

At the same time, the European Energy Poverty Advisory Hub framework treats cooling, building quality, health and exposure to extreme temperatures as relevant elements in expanding the discussion of energy poverty. For Romania, the framework is useful primarily as a research and public-policy question, not as evidence of a prevalence that has already been quantified.

The absence of direct data should not be filled with extrapolations. The regional distribution of the problem cannot be inferred solely from outdoor temperatures, urbanisation or the number of appliances. The cost of cooling cannot be estimated without information on tariffs, equipment efficiency, operating time, desired temperature and the building. Nor can it be assumed that every renovation measure automatically delivers comfort during summer.

What a future survey should measure

If the aim is to establish who has real access to cooling, national research would need questions that go beyond owning an appliance. It should cover at least:

whether the home becomes too hot during heatwave episodes;
the rooms affected and the possibility of sleeping in a tolerable space;
the presence, condition and use of cooling equipment;
whether energy prices limit its use;
shading, orientation, ventilation and building elements relevant to overheating;
the presence in the household of people with greater vulnerability to heat.

Such an approach would avoid two opposing errors: assuming that all low-income households have the same problem, or considering all homes equipped with air conditioning to be protected.

A practical check for the home

This is not an official test and cannot determine whether a household is experiencing energy poverty. It can, however, help identify where the problem lies before seeking a solution.

On very hot days, is there a room where people can sleep and spend time in tolerable conditions?
Is the cooling solution working, and does it reach the space actually in use?
Is it used as much as needed, or is its use reduced for fear of costs?
Are there windows with strong sun exposure and no effective external protection?
Is the home on the top floor, below a terrace or roof, or does it have highly exposed façades?
Can it be ventilated safely once the outdoor air has cooled?
Does anyone live there for whom prolonged heat poses a greater risk?
Is there a realistic alternative if the equipment fails or the power supply is interrupted?

Negative answers do not automatically constitute a statistical label. They do, however, show why a unit mounted on a wall is too weak an indicator to describe real protection from heat.

From individual solutions to building and city decisions

Some interventions concern the home’s occupant; others concern the homeowners’ association or local administration. Shading, controlling solar gains, work on roofs and façades, or decisions concerning common areas cannot always be addressed individually. The household can, however, identify more clearly whether the dominant barrier is cost, equipment, solar exposure or the lack of a safe alternative.

For authorities, the challenge is not to treat separately what overlaps in real life: very hot days, vulnerable homes, limited resources and health risk. Outdoor temperature maps and building data can assist planning, but they cannot replace information about actual conditions in households.

The starting question remains simple: when heat persists, is there a realistic way for people in that home to reach a tolerable space? Until direct measurement for Romania becomes available, this is a more useful question than simply checking for the presence of air conditioning.

Frequently asked questions

Is there an official statistic for households in Romania that cannot cool their homes?

No single national indicator was identified in the public sources consulted for this article that directly measures how many households cannot cool their homes or limit cooling for financial reasons. Eurostat and INS data can describe the economic context and housing conditions, but they do not constitute a direct measurement of unaffordable cooling.

Does air conditioning in the home mean I am protected from heatwaves?

Not necessarily. It matters whether the unit works, serves the relevant space, can be used without excessive financial pressure, and whether the home limits heat accumulation through its windows, roof, orientation, shading and ventilation.

Does a low electricity bill prove a home is efficient in summer?

Not automatically. Low consumption may result from efficiency, but it may also indicate that cooling use is being limited to reduce expenditure. Interpretation needs context: income, equipment use, the home’s characteristics and indoor conditions.

Is insulation enough for summer comfort?

No. Insulation is only one component. Summer comfort also depends on solar gains through windows, external shading, orientation, the roof, ventilation, thermal mass and, in some situations, active cooling.

Why is outdoor temperature not enough to assess vulnerability?

Outdoor temperature shows climate exposure, not the temperature inside an apartment, the cost of using cooling or a household’s ability to protect itself. Actual risk depends on the overlap between heat, the building, resources, equipment and medical vulnerability.

What should a national survey ask about home cooling?

It should examine discomfort in the home during periods of heat, the rooms affected, the equipment available and its use, cost constraints, the building’s shading and ventilation characteristics, and the presence of people vulnerable to heat.