How An LG Reverse Cycle Air Conditioner Heats Your Home Fast?

July 7, 2026

When the cold weather hits, you want a warm home quickly. The good news is that an LG reverse cycle air conditioner is not just for summer. The very same unit on your wall can heat your home in winter, and it can do it fast. If you have ever wondered whether your air conditioner can keep you cosy on a cold night, the answer is yes. Here is how it works, from DEEPCHILL – Air conditioning Gold Coast.

Reverse cycle 101: your LG is a heater too

Most people think of a split system as a cooling machine. But a reverse cycle model does both jobs. In summer it takes the heat out of your room and sends it outside. In winter it simply works the other way around: it collects warmth from the outside air and brings it inside.

Here is the important part. An LG reverse cycle air conditioner does not burn fuel or glow red like a bar heater to make heat. It works as a heat pump, which means it moves heat from one place to another instead of making it from scratch. There is warmth in the outside air even on a cold morning, and the unit gathers that warmth and carries it into your room.

Because it only moves heat rather than generating it, it does the job using far less energy than a gas heater or a plug-in electric heater. So you do not need a separate heater taking up space in the corner. One LG reverse cycle air conditioner cools you in summer and warms you in winter, all from the same remote, and it does it efficiently.

Choosing heating and cooling modes on a reverse cycle air conditioner for reverse cycle home heating

Dual Inverter means fast warm-up and steady heat

Older air conditioners tend to blast hot air, switch off, let the room go cold, then blast again. That stop-start pattern is uncomfortable and it wastes power.

LG units use something called a Dual Inverter. You do not need to know the technical details. Here is what it means for you: the unit warms the room up quickly, then gently eases back to hold that temperature steady. No cold-then-hot swings, no shivering while you wait. It reaches a comfortable warmth sooner, then keeps it there. This steady, gentle style is a big part of LG’s heating performance, and it also uses less electricity because the unit is not constantly switching on and off.

LG Dual Inverter Compressor diagram explaining fast warm-up and steady LG heating performance

Quiet enough for the whole family

Heating matters most in the rooms where you relax and sleep, and nobody wants a noisy machine humming away in the background. An LG reverse cycle air conditioner runs quietly, which makes a real difference in a bedroom, a lounge room or a nursery.

You can warm the room without raising your voice over it, and you can sleep without a loud unit waking you. Quiet comfort is easy to overlook until you have it.

Reverse cycle air conditioner blowing warm air at 30 degrees, showing LG heating performance in winter

Sizing your LG reverse cycle air conditioner

This is the part that trips people up, so let’s keep it simple. An air conditioner needs to match the size of the space, measured in kilowatts (kW). Too small and it struggles. Too big and you pay for power you don’t need.

As a rough guide, a 2.5kW unit suits a smaller room such as a bedroom or a study. A 7.2kW unit suits a larger single space such as an open living and dining area. Both of these sizes are in the current DEEPCHILL sale.

One thing to keep in mind: a single wall unit heats one room or one open area. If you want to warm the whole house, several rooms, or a large multi-room home, one split system on its own won’t be enough. That is where a properly designed system comes in.

LG split system heating a room and heating well in winter, air conditioning Gold Coast by DEEPCHILL

Let DEEPCHILL – Air conditioning Gold Coast design the right setup for your home

You don’t have to work any of this out on your own. DEEPCHILL has been sizing and installing air conditioners on the Gold Coast since 1986, so we know how to match the right unit to the right room. If you have a bigger home or want warmth in more than one room, we can design a complete system that heats every space you use.

The easiest first step is a quote. Tell us about your home and we will recommend the right LG setup for it. Request a free quote here and we’ll take it from there.

LG split system heating a bedroom, an efficient reverse cycle home heating and air conditioning Gold Coast solution

Matching LG performance to your space

So does LG heat well in winter? Yes, when the unit is the right size for the room. A well-matched LG reverse cycle air conditioner warms up quickly, holds a steady temperature and keeps running quietly in the background. The trick is simply choosing the correct size, and that is exactly what our team helps you do.

Get the size right and you get the full benefit of LG’s heating performance: a warm home in minutes, comfort that stays put, and lower running costs than an old-style heater.

LG reverse cycle air conditioner mounted on a wall by DEEPCHILL air conditioning Gold Coast

The LG units on sale right now

For a limited time, DEEPCHILL has two popular LG WiFi split systems at our lowest prices, with WiFi control included on every unit. That means you can turn the heating on from your phone before you even walk in the door, so the house is already warm when you get home.

Prices start from $556.50 + GST, and there is a size for both smaller rooms and larger living areas. Stock is limited and it is first in, first served, so it is worth moving quickly.

To grab a sale price or ask a quick question, call DEEPCHILL – Air conditioning Gold Coast on (07) 5526 0199, view the full LG sale here, or request a free quote. Beat the cold this winter with an LG reverse cycle air conditioner that heats your home fast.

Category: Review, Q&A

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