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You need to start with a proper heat extraction system. Fans or exhausts positioned properly to take the heat out of the space. You need get rid of the heat source first. Once you have this sorted, then you can introduce Air conditioning into the space. Consider air conditioning as something supplemental to the heat extraction system. Both need to be present.

There are air conditioning systems tailored for commercial kitchens. They have the same oil extraction filters, like you do for a traditional kitchen extractor. The outer casing is also built to withstand oil and smoke.

As another FM said, consult a professional in the space.

Thad thanks for your confidence.

Actually installing Air Conditioning in a commercial kitchen involves a lot of calculations.

. Heat load of the cooking stoves
. Heat load of the workers
. Heat loss due to chimneys and exhaust fans
. Heat loss due to constant traffic to and from the kitchen

All the above points are considered when sizing AC for commercial use. It is best done by the manufacturer's HVAC experts.

I think you will need multiple units in the kitchen with a fan to circulate the cool air across the kitchen area. I remember seeing a kitchen in one of the restaurants which had three 2-ton split AC placed some distance apart and a few rotating stand fans to circulate the cool air around. The kitchen was in rectangle shape and the AC's were placed on the opposite wall where the hobs, stoves and chimneys were present. The distance between the walls was around 15 feet so I assume the oil and grease from the other area may not travel 15 feet backwards to clog up the AC. But yes, the filters may need cleaning very frequently

UPDATE

LG dismantled the AC again, and took both the IDU & ODU to their service centre. They said they will clean it more thoroughly using some chemicals and a washer which works at a higher pressure. They kept the AC for 2 days and reinstalled it on Saturday. The cooling is back to normal. Its working at almost 900 watts (in turbo mode) now. So yes, am happy with the results.

I have to say LG attitude was very good throughout. The initial water wash cost Rs 885/-. The second time, they did not charge me anything at all.

In the end I think that the LG AC is highly sensitive to dust clogging, this could be due to some inherent design issues. Am planning to water wash the AC every 6 months from now on.

I have ordered an 'Airth' external air filter on Amazon in the hope that it will reduce the dust getting into the AC. This is mounted on top of the AC. Yes, this might 'choke' the AC, reduce the airflow and cooling but I would rather have reduced cooling due to restricted airflow than clogged interiors which would mandate dismantling every year.

Interesting product. Let us know how it performs.

If its going to choke the AC resulting in reduced cooling, thats not so useful is it? Thats only going to lead to higher energy consumption which then defeats the purpose of a high efficiency Inverter Aircon.

The better approach is to shorten the service intervals. Clean the filters more frequently, vacuum the IDU coils.

Planning to get an AC for a study room of about 100 sq. ft. area.

Any feedback on Daikin’s FTKL35U 1 Ton AC (R32 refrigerant)?

It’s a 3 star appliance and costs about 39k plus installation.

If you are considering Daikin 1 Ton, then please don't go for this model,

https://www.croma.com/daikin-premium...v16w-/p/248175

The above option is much better as it is 5-star and similarly priced.

I would not suggest any external filter. I suggest cleaning the inbuilt filters more frequently - Like once every month.

The external filter can impede air flow.

LG design is basically for low dust areas. The inlet is on the top, definitely a dust magnet. I clean the filter every week normally and twice a week when there is a lot of dust in the air. In spite of that the fine dust particles (not trapped by the filter) accumulate and within three months (coupled with moisture) choke the IDU heat exchanger. The ODU also accumulates a lot of dust but some how it is less prone to chocking compared to IDU.

At one time I thought of installing HEPA filter in place of the normal filter, but have not done so as yet. HEPA filters especially Industrial Types are a high thruput low resistance filters, so would not create much resistance. At the same time the filter intercepts much finer particles. The only hitch is the cost as they are single use and cannot be cleaned.

I have not come across an aircon off late where the inlet isn't at the top. Those were the really old aircons that had them up front. I think manufacturers switched to a top intake for better air draw and for aesthetic reasons.

You definitely qualify for using a HEPA filter. If you won't be spending the money here, you most certainly will at the Doctors. Respiratory issues are not worth it.

Alternatively use a good air purifier for times when the aircon isn't running. For a high dust environment, your options are limited.

I have just booked a voltas 5-star inverter 1 ton for 42 odd with 4 year comprehensive extended warranty from brand itself. I already have one and have been very pleased with its performance, especially with the Mumbai heat and dust.

We use one in our main hall even when the AC is running. AC filters only block fairly large particles compared to a proper purifier.

My guess on AC inlet design is that being on top draws in hotter air and being above the outlet draught means not drawing cooler air straight back in.

If I buy the product online from Croma or other sites, what are the options to get the installation done ? Are there any recommended online options for installers as well?

Urbanclap offers installation services. I haven't used then for installation but I have used then for gas refill. They were good with 6 month warranty. In fact I availed warranty and they came back to recharge gas again.

Normally, at least in Metros, you have option of either getting installation by the manufacturer, or by the seller (Chroma, Vijay Sales etc.).

I have always got installation by manufacturer whether bought online or in retail store. In fact many times there are schemes for zero or low cost installation by the manufacturer tied to some e-retailer or store. That is how I got free installation for my Slit AC once, at half price once when buying from Paytm (6 years ago) and online.

Other appliances - refrigerators, microwaves and ovens come with free installation by manufacturer, immaterial where you buy it from.