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Maintenance Matters
Commercial or domestic, at Optimum Air Conditioning our F-Gas registered engineers will ensure that your systems are back up and running as soon as possible. We take care of clients in South Wales and the surrounding areas, providing a breakdown service that’s available 24/7. Why wait until there’s an issue? We also offer full maintenance to identify any issues before they become a problem. Have a look at some of our recent work in the gallery below or call for a quote on air conditioning and refrigeration repairs.

New Heat pump installed to replace the old gas boiler. A+++ rated heat pump installed to heat this lovely pool ready for the summer, its whisper quiet and very energy efficient. The new inverter heat pump will greatly reduce the energy bills so the pool can be used for most of the year, our customers grandchildren were very happy with this news.

New J&E Hall cellar cooler installed at Flowerhorn Independent craft brewery at The Bridge Studio in Ely, Cardiff. A converted shipping container to a new cellar ready for the opening after a refurbishment of the bar. Call into the taproom on the weekends for cold craft beer, street food and music.

Mitsubishi Electric air conditioning installed in the new A-Head Of the Game Health kitchen & Cafe in Whitchurch, Cardiff. The A/C will provide the heating and cooling for this new exciting project that will be a great addition to Whitchurch.

UK made Parry stainless steel extract canopy installed in the new A-Head Of the Game Health kitchen & Cafe in Whitchurch, Cardiff.

New air conditioning installed in the 2nd floor of the Loft Bar and music venue in Bridgend. Mitsubishi Electric Black cassettes to match the paint scheme.

Mitsubishi Lossnay MVHR (Mechanical Ventilation Heat Recover) system installed in new build domestic property

New evaporator installed to replace failed unit is walk in fridge, back up and running in under 24hrs. The electric defrost heater had exploded and destroyed the copper coil so replacement evaporator was the option taken.

Air conditioning to cool and heat the bar and music venue. Focusing on live music & great events the Loft is a great addition to Bridgend.

Making it easy to install the outdoor units with the new electric hoist, lift up to 5 mtrs

Daikin slimline 360 roundflow ceiling cassette. The cassette is only 15cm depth so will fit into almost any ceiling.

Replacement of failed Fujitsu A/C unit with Mitsubishi Electric system. Only one Fujitsu left.

KD Cellar cooler installed at the Ffos Bar and street food market in Caerphilly just steps away from the iconic Caerphilly Castle with over 20 independent traders and street food outlets.

Air conditioning installed in the new Fusion (Asian inspired small plates) restaurant in Bridgend

J&E hall outdoor unit for walk in freezer

For heating and hot water when not on the gas grid

A/C installed in children's nursery for heating and cooling

Dry aging walk-in-fridge at a busy butchers

Mitsubishi Air conditioning for cooling and heating, high temperature C02 heat pump for hot water

Replacing failed 20 year old system with new R32 A++ energy rated system.

Re-built and commission second hand counter with new outdoor unit

Re-built second hand counter ready for use. New remote condenser installed outside.

Adding one more Daikin (A+++ Energy Rated) air conditioning system for a new office.

Covered ready for painting the new office.

Big walk-in-fridge installed for the busy kitchen. The walk-in-fridge replaced 4 free standing fridges for better stock control and far less food waste.

Walk in fridge finished and ready for use

New A/C to cool and heat the nursery. A+++ energy rated

Most of our systems have WiFi fitted as standard

Floor mount system in open plan lounge. A++ energy rated.


Replacing failed LG air conditioning systems with energy efficient Mitsubishi Electric systems

All finished and minimum disruption to the busy office

Replacing failed LG system with new energy efficient R32 units

New Mitsubishi Electric install in the reception area

Air conditioning with condensate water pump for one of the surgeries

Air conditioning for the new CAB in Bargoed. A Multi-Split for the 6 offices and a Mr Slim 4-Way indoor for reception area.

Replacing failed air to water Ecodan heat pump under warranty. The company who installed the heat pump had gone out of business but we can still repair under the Mitsubishi 5 year warranty.

Two systems installed to cool a new loft conversion

Cooling and heating in loft conversion. A+++ energy rated

Floor mount system installed in conservatory to cool & heat. A++ energy rated

Energy efficient outdoor unit for the floor mount system. A++ energy rated

Wall mount unit with A+++ energy efficiency. Fitted with condensate water pump.

Air conditioning installed to cool a server room

Great looking Zen wall mount unit. A+++ energy rated. Also in Silver and Black.

Air conditioning installed in the first floor bedroom

Air conditioning installed at Lazarou Hair Salon - Cardiff Castle

Lazarou, Cardiff castle in the background.

Lazarou hair salon, Cardiff castle in the background

Floor mount air conditioning installed in bedroom. A+++ energy rated

New concealed air conditioning system installed

New air conditioning installed at Miller & Carter Kings Langley

New air conditioning installed at Miller & Carter Kings Langley

Salty's Beach Bar on Tenby's South Beach, hidden A/C.

Salty's beach Bar on Tenby's South Beach, custom made due to planning restrictions and working great.

Salty's Beach Bar Tenby's South Beach

New air conditioning installed in Cardiff city center after office refurb.

Bentley's Café - Wellfield Road, A+++ energy rated wall mount system

Air conditioning at Bentley's Café - Wellfield Road

Stainless steel counters installed to replace the old counters. Remote condenser fitted outside.

One fitted one more to go. Stainless steel counters to replace the old counters

Energy efficient cooling for new multi-deck fridge.

Two new multi-deck fridges on a remote KD condensing unit

Spray painted to corporate colour for new tenant.

Converted shipping container to walk in fridge

Converted shipping container to walk in fridge

New cellar cooler for busy city center pub

Bedroom air conditioning with a view

A snug fit above the door and was customers choice on positioning. System works great.

Air conditioning system installed in nursery kitchen. A+++ energy rated

We installed the Mitsubishi Electric systems

Energy efficient Multi-Split system to heat and cool the 3 bedrooms

Ducted system installed in the attic for a neat finish

New air conditioning installed at the Penarth 'Home' restaurant

Concealed systems installed to replace older units

Replacing old systems with new R32 units

Replacing 20 year old systems with new energy efficient A++ R32 units

Air conditioning installed to heat and cool the new build large family home

Air conditioning installed to heat and cool the new build large family home

New energy efficient KD scroll condenser to replace failed unit on walk-in-freezer

The great looking ZEN unit installed in summer house

A+++ energy rated outdoor unit

Air conditioning installed to heat and cool the sales area and offices.