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Reliant Engineering delivers expert home air conditioning installation and servicing for houses, apartments, and businesses across Ireland — with precision, speed, and a guarantee you can trust.
From home air conditioning installation for a single room to full commercial AC systems — Reliant Engineering has the expertise and certification to deliver the right solution.
Full design, supply, and installation of AC systems for offices, retail units, warehouses, and industrial premises. We work around your schedule to minimise disruption.
Tailored service contracts keep your systems running at peak efficiency all year round, with priority response times and full documentation for compliance.
When your AC fails, you can't wait. Our commercial emergency service gets a certified engineer to your site fast, day or night.
We assess your existing systems and identify energy-saving opportunities, helping reduce your carbon footprint and energy bills simultaneously.
Single point of contact for organisations with multiple locations. Centralised reporting, unified service contracts, and consistent standards across all sites.
All our engineers are F-Gas certified. We handle all regulatory requirements, certification, and record-keeping so you stay fully compliant.
We supply and install wall-mounted split systems, multi-split systems, and ducted air conditioning for houses and apartments of all sizes. Clean, discreet fitting with minimal disruption — most home installations are completed in a single day.
Annual servicing of your home air conditioning system keeps it running efficiently, extends its lifespan, and protects your warranty. We clean filters, check refrigerant levels, inspect electrical connections, and test all controls.
A heat pump provides both heating and cooling for your home in one energy-efficient system — ideal for Irish climate conditions. We help you select the right unit and manage the complete installation from survey to sign-off.
Is your home air conditioning unit not cooling, making noise, or showing an error code? Our diagnostic service pinpoints the fault quickly, and we carry common parts to resolve most repairs on the first visit.
Not sure which home air conditioning system is right for you? We'll visit your property, assess room sizes, insulation, and layout, and recommend the most efficient and cost-effective solution — at no charge, with no obligation.
Upgrade your home air conditioning with Wi-Fi enabled smart controls and app-based thermostats. Manage your indoor temperature from anywhere, set schedules, and monitor energy usage from your phone.
We take pride in every installation. That means doing the job right the first time, every time — and standing behind our work.
All our engineers hold current F-Gas certification. You're always in safe, qualified hands.
We stand behind our installations with a five-year guarantee on parts and workmanship.
Breakdowns don't keep business hours. Our emergency line is answered around the clock.
No hidden charges. You'll receive a detailed, fixed quote before any work begins.
Home air conditioning has become one of the fastest-growing home improvements in Ireland. With summers becoming warmer and energy-efficient heat pump systems now available at accessible price points, more homeowners and renters are investing in home air conditioning installation to stay comfortable year-round.
Reliant Engineering specialises in residential air conditioning installation across Ireland. Whether you need to cool a single room, a whole house, or a new-build apartment, our F-Gas certified engineers will design and install the right system for your property. We work with leading brands including Mitsubishi Electric, Daikin, Fujitsu, and LG — all of which offer reliable, whisper-quiet units suited to Irish homes and climate conditions.
A typical home air conditioning installation involves mounting an indoor wall unit in your chosen room, running pipework to a compact outdoor condenser unit, and connecting the system to your electrics. Most single-room installations are completed in one day with minimal disruption. Our engineers work tidily and remove all packaging and waste on completion.
Beyond cooling, modern home air conditioning systems also function as highly efficient heaters — making them a smart alternative or supplement to gas or oil heating for the shoulder seasons. Many of our customers use their home AC system for warmth from October through April and switch to cooling mode in summer.
All Reliant Engineering home air conditioning installations include a full system demonstration, user training, and a five-year parts and labour guarantee. We also offer annual service plans to keep your system running at peak efficiency and protect your warranty.
A single-room home air conditioning installation in Ireland typically costs between €900 and €2,500, depending on the brand and capacity of the unit and the complexity of the installation. Multi-room systems cost more. Reliant Engineering provides a free home survey and a detailed, fixed-price quote before any work begins — no hidden charges.
Most single-room home air conditioning installations take half a day to one full day. Multi-room or whole-house systems typically take one to two days. Our engineers work cleanly and leave your home tidy on completion.
In most cases, installing home air conditioning does not require planning permission in Ireland, as it falls under exempted development. Exceptions apply to protected structures and certain apartment buildings. We will advise you during your free home survey.
For most Irish homes, a wall-mounted split system from Mitsubishi Electric, Daikin, or Fujitsu is the most popular and practical choice. If you want heating and cooling in one unit, a heat pump system is an excellent option. Our engineers will recommend the right system for your home size and budget during a free survey.
Home air conditioning systems should be serviced at least once a year. Annual servicing ensures efficient operation, extends the unit's lifespan, and keeps the manufacturer warranty valid. Reliant Engineering offers affordable annual service plans with reminder scheduling so you never miss a service.
Yes. Modern home air conditioning systems are reverse-cycle units — they both cool in summer and heat in winter. They are highly energy-efficient for heating compared to electric radiators, and many Irish homeowners use them as a primary or supplementary heating source throughout the year.
We share updates on completed home and commercial air conditioning installations, new equipment we're working with, and tips to get the most from your AC system.
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Ready to install home air conditioning, or need your existing system serviced? Request a free no-obligation quote and we'll get back to you within one business day.
+353 1 234 5678
Emergency line: +353 86 234 5678
info@reliantengineering.ie
service@reliantengineering.ie
Monday – Friday: 8am – 6pm
Saturday: 9am – 2pm
Emergency: 24/7
We cover Dublin, Leinster, and surrounding counties. Contact us to confirm coverage in your area.