What is the difference between an air-to-air heat pump and a standard air conditioner?

An air-to-air heat pump is specifically engineered for efficient heating even at -25 °C outdoor temperatures, featuring a more robust compressor and a base pan heater in the outdoor unit. Although visually these devices look almost identical, a standard air conditioner loses its efficiency and can freeze when outside temperatures drop below zero. A heat pump ensures reliable and cheap heating throughout a harsh winter, while also perfectly handling the cooling function in the summer.

Can an air-to-air system heat an entire house?

A single air-to-air heat pump indoor unit is best at heating open, undivided spaces, so closed rooms may require additional internal units (a multi-split system). Warm air does not naturally travel through closed doors or long hallways. If your home has an open floor plan, one powerful unit in the living room can effectively heat the majority of the area, but temperatures in isolated bedrooms will be slightly lower.

How long does it take to install an air-to-air heat pump?

A standard air-to-air heat pump installation typically takes just 3 to 5 hours and does not require any major renovations or demolition in your home. Technicians only need to drill one small hole in the wall to connect the indoor and outdoor units with refrigerant pipes. This is an exceptionally clean and fast process, meaning the system can easily be installed in fully finished and occupied homes.

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Forget chilly evenings and massive electricity bills from portable heaters. Air-to-air heat pumps provide instant, cozy warmth without any complex plumbing or radiator installations.

This is the ideal solution for quickly heating homes, apartments, or cabins in winter and providing refreshing cooling in summer, requiring minimal initial investment.

Slow-heating rooms and frightening electricity bills

Attempting to heat a cabin, apartment, or older home with portable electric radiators results in massive, unmanageable expenses. These traditional devices use electricity for direct heating at a one-to-one ratio, meaning every single kilowatt-hour immediately hits your monthly bill. Furthermore, they constantly dry out the indoor air and create an unpleasant burning smell when dust settles on their intensely hot surfaces.

Relying on solid fuel stoves also requires heavy physical labor and endless waiting for the space to warm up. When you return from work or arrive at your cabin for the weekend, you find freezing rooms and must spend hours tending a fire before you can even take off your winter coat. This not only steals your precious relaxation time but also fails to provide even warmth at night.

Instant warmth with zero hassle

An air-to-air heat pump fills your room with cozy, embracing warmth within mere minutes of turning it on. The powerful and whisper-quiet fan in the indoor unit evenly distributes the heated air throughout the entire space, completely eliminating any cold drafts or dead zones. You simply set your desired temperature on the remote, and the smart automation independently maintains a perfect microclimate around the clock.

This system is completely independent of complex water pipes, boilers, or radiator networks. It can be installed exceptionally quickly and cleanly in already finished homes, making it the absolute perfect solution for renovations. Additionally, when summer arrives, this exact same device will function as a powerful air conditioner, providing refreshing cooling and removing sticky excess humidity from the air.

Up to 4 times cheaper heating – air-to-air technology extracts free energy from the outdoor air, producing up to 4 kW of comforting heat from just 1 kW of paid electricity, drastically slashing your utility bills.

Although externally they look identical to standard air conditioners, models designed for primary heating must meet much higher engineering requirements. To avoid making a costly mistake and shivering mid-winter, it is absolutely critical to evaluate these key technical parameters when selecting your unit:

Operating outdoor temperature - for the Lithuanian climate, you must select a model that guarantees completely stable and efficient heating even at -25 °C outside. Cheaper units designed for the Southern European market simply stop producing heat when temperatures drop to -10 °C.
Seasonal Coefficient of Performance (SCOP) - this metric reveals the overall financial efficiency of the unit across the entire long heating season. Look for models boasting an A++ or A+++ energy rating and an SCOP above 4.0 to guarantee the lowest possible electricity consumption.
Heating capacity (kW) - the correct capacity strictly depends on your room size and insulation quality. A standard, well-insulated 50 m2 space typically requires a unit with 3.5 kW of heating capacity, but exact needs should always be confirmed by a specialist.
Noise level (dB(A)) - because the indoor unit is usually mounted directly in the living room or even a bedroom, acoustic levels are a vital element of daily comfort. High-end heat pumps operate at a mere 19-21 dB(A) in quiet mode, which is practically inaudible to the human ear.

Solutions for open spaces and closed rooms

It is important to remember that an air-to-air heat pump best heats the specific open space where the indoor unit is mounted. If your home features an open-plan layout, a single unit will handle the task beautifully. However, if you need to heat several separate, door-closed rooms, you should consider a full-fledged air-to-water heating solution. For maximum convenience, ensure your chosen unit features an integrated Wi-Fi module for connection with smart thermostats.

Fast and exceptionally clean installation in your home

Unlike installing traditional central heating systems, fitting an air-to-air heat pump takes just half a day and causes zero stress. You do not need to tear up floors, lay extensive pipework, or endure major renovations—the entire process is clean, rapid, and tailored for fully furnished living spaces.

Location selection - the technician helps select the optimal spot for the indoor unit so the warm airflow reaches all corners of the room evenly, without blowing directly onto people.
Minimal drilling - a single small hole is cored through the external wall to allow the copper pipes and cables to pass through. All mounting materials are later aesthetically concealed within plastic trunking.
Unit connection and vacuuming - the outdoor unit is securely mounted outside. Once the pipework is connected, the entire system is professionally vacuumed to remove any trace of moisture from the freon lines.
System commissioning - the unit is started in test mode. The technician also thoroughly instructs you on how to use the remote control and mobile app.

Maintenance that saves your time and money

Maintaining air-to-air heat pumps is incredibly simple and can easily be performed by the homeowners themselves. Your most important task is to open the indoor unit's front cover roughly once a month and wash the reusable dust filters under running tap water. This ensures strong airflow and protects against unpleasant odors indoors.

The outdoor unit also requires minimal attention as seasons change. In winter, after heavy snowfalls, you should check that it is not buried in snowdrifts, and in autumn, ensure the fan grille is not blocked by fallen leaves. By regularly performing these basic steps and calling a specialist for a check-up every 1-2 years, your heat pump will serve you long and reliably.

Air-to-Air Heat Pumps

Slow-heating rooms and frightening electricity bills

Instant warmth with zero hassle

Solutions for open spaces and closed rooms

Fast and exceptionally clean installation in your home

Maintenance that saves your time and money

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How air-to-air heat pumps instantly transform your home climate

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System installation and straightforward long-term care

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