Mitsubishi Heavy Industries Air Conditioning Installation
Accredited Mitsubishi Heavy Industries air conditioning installation across the UK. Residential splits, commercial cassettes and VRF systems from the full Mitsubishi Heavy Industries range — installed by F-Gas certified engineers with manufacturer warranty registered on the day.
From £1,500 per indoor unit
Fixed-price quote, held to the day.
1 day residential, 3–15 days commercial
Typical timeline from survey to commissioning.
5-Year Warranty
Parts and labour covered on every install.
F-Gas Certified
REFCOM-registered engineers on every job.
- Full Mitsubishi Heavy Industries residential and commercial ranges
- Manufacturer-registered 5-year warranty on installation
- Direct technical support from Mitsubishi Heavy Industries UK
- Genuine parts and F-Gas commissioning included
Why choose this
- Full Mitsubishi Heavy Industries residential and commercial ranges
- Manufacturer-registered 5-year warranty on installation
- Direct technical support from Mitsubishi Heavy Industries UK
- Genuine parts and F-Gas commissioning included
What's included
- Heat-load design to CIBSE Guide A
- Ceiling cassette, ducted or VRF architecture
- Roof/plant-deck condenser positioning
- Fire-stopping through compartment walls
- BSRIA BG 49 commissioning and handover pack
Who this mitsubishi heavy industries air conditioning installation service is for
We deliver mitsubishi heavy industries air conditioning installation for homeowners, landlords, offices, retail, hospitality and commercial estates specifying Mitsubishi Heavy Industries equipment. Typical projects sit in the 2.5 kW residential to 500+ kW commercial VRF band, and every scheme is designed by an F-Gas certified engineer against a full CIBSE Guide A heat-load calculation — never a rule-of-thumb watts-per-square-metre guess.
We cover the whole UK from London-based engineering hubs, with same-week surveys inside the M25 and 7–14 day lead times nationally. All work is delivered by directly-employed engineers rather than subcontractors, so the person who quotes your job is accountable for how it is installed and commissioned.
System types we recommend
We install the full Mitsubishi Heavy Industries residential and commercial catalogue — including SRK Diamond splits, FDT cassette range, KX-6 and KX-Z commercial VRF. Where a client is considering Mitsubishi Heavy Industries against another manufacturer we deliver a like-for-like technical comparison so the decision is grounded in performance data rather than sales-brochure gloss.
Every specification is written against your actual building fabric, occupancy pattern and electrical capacity. We do not resell a single manufacturer — the design drives the equipment choice, not the other way around. If your incoming supply is constrained, we flag it at survey and offer a phased approach or a load-shedding controller rather than pretending the problem does not exist.
The survey, design and installation programme
A senior engineer attends site within 3–5 working days of enquiry. The survey covers heat gains (fabric, solar, occupancy, equipment), electrical capacity, condenser positioning, structural loading, acoustic constraints to neighbours, drainage routes and any planning/landlord constraints. Photos, measurements and load calculations feed into a written fixed-price proposal within 48 hours.
Once awarded, we produce a full drawing pack — pipe routes, electrical schedule, condenser structural loading, refrigerant volume and BS EN 378 risk assessment. Installation runs to a published programme with daily photo updates. Commissioning follows BSRIA BG 49 with a full test-and-balance report, an F-Gas record and manufacturer warranty registration on the day of handover.
Costs, timeline and running expenses
Mitsubishi Heavy Industries Air Conditioning Installation typically starts at £1,500 per indoor unit for a compact single-zone scheme. Multi-zone and specialist projects scale with equipment tonnage, condenser positioning complexity and any out-of-hours working requirement. Programme duration is 1 day residential, 3–15 days commercial. We quote fixed prices — nothing is added on site without written change control.
Mitsubishi Heavy Industries inverter equipment across the current lineup achieves SEER ratings between 6.5 and 8.5 — comfortably meeting the top A++ to A+++ energy labels. Running costs are directly comparable to any other tier-1 Japanese, Korean or Chinese manufacturer at equivalent capacity. Modern R-32 inverter equipment routinely delivers seasonal efficiency ratings (SEER) between 6.5 and 8.5, which is 30–50% better than the R-410A systems installed a decade ago. On heat-pump duty, coefficients of performance (COP) sit between 3.5 and 4.5 in UK conditions — comfortably ahead of gas heating on marginal-cost pence-per-kWh once carbon pricing is factored in.
Compliance, warranties and aftercare
Every installation is notified under Building Regulations Part P (electrical) and Part L (energy) where applicable, and lodged with the appropriate competent-person scheme. Systems containing 5 tCO₂e or more of F-Gas refrigerant require statutory annual leak checks under Regulation EC 517/2014 — we hold the F-Gas company certificate and can act as your Responsible Person, keeping records for HMRC and Environment Agency inspection.
Equipment carries a 5-year manufacturer parts warranty (compressor included) when installed by an accredited engineer. We register the warranty on the commissioning day so there is nothing for you to file. Our installation workmanship carries a 12-month cover-all warranty, and PPM service plans start at £110 per outdoor unit per year — sufficient to preserve manufacturer cover and catch drift before it becomes downtime.
Brands we install and why
Mitsubishi Heavy Industries is strong on genuinely competitive pricing for the same-brand-family engineering quality, and market-leading warranty terms on commercial VRF. We install Mitsubishi Heavy Industries because their equipment delivers reliable long-term performance for our clients — and because Mitsubishi Heavy Industries back their installers with proper technical support when a specification challenge lands mid-project.
All refrigerant work uses R-32 (GWP 675) as standard, with R-454B (GWP 466) available on request for future-proofing against the F-Gas phase-down schedule. We steer clients away from R-410A (GWP 2088) for any new install — the refrigerant is being progressively withdrawn from supply and top-up costs will rise sharply between 2026 and 2030.
Working around your operation
Downtime is the hidden cost of any air conditioning project. We routinely deliver work in evening slots (18:00–02:00), Sunday shutdowns and staged week-by-week phasing so your day-to-day operation continues unaffected. Overnight and weekend working commands a modest 10–20% uplift which we itemise transparently at quotation.
Dust management, negative-pressure containment and daily photo close-out reports are standard for any works in occupied premises. Where a phased approach is chosen, we deliver temporary cooling (portable spot coolers or hire chillers) to bridge critical zones during the transition — priced separately so you can choose whether the resilience is worth the line item.
Why choose us for this work
We are F-Gas certified installers with directly-employed engineers, fully insured to £10m public liability and £5m professional indemnity. Every project comes with a fixed price, a written programme, a photo record and a 5-year warranty on equipment plus 12 months on workmanship. We publish real client references on request — not gated behind a form.
Request a quote online and we will book a site survey. Same-week surveys inside the M25, 7–14 day lead times nationally, and a qualified engineer attending the survey rather than a scripted call-centre operator.
Frequently asked questions
How much does mitsubishi heavy industries air conditioning installation cost?＋
Fully-fitted prices start at £1,500 per indoor unit. Multi-zone and specialist projects scale with equipment tonnage and installation complexity. All quotes are fixed price — no on-site supplements.
How long does the installation take?＋
1 day residential, 3–15 days commercial
Do you handle Building Regulations sign-off?＋
Yes. Part P electrical work is notified via our NAPIT/NICEIC scheme and Part L energy compliance is documented in the commissioning pack. You receive certificates on the day of handover.
What refrigerant do you use?＋
R-32 as standard (GWP 675). R-454B (GWP 466) is available on request for maximum future-proofing against F-Gas phase-down. We do not install R-410A for new schemes.
Do you offer service and maintenance plans?＋
Yes — PPM plans start at £110 per outdoor unit per year and include filter cleans, coil disinfection, drain-line flush, refrigerant pressure check and electrical inspection. Statutory F-Gas leak checks are included on qualifying systems.
What warranty applies?＋
5-year manufacturer parts warranty on equipment (compressor included) plus 12 months workmanship warranty on our installation. Annual servicing preserves manufacturer cover.
Are you an accredited Mitsubishi Heavy Industries installer?＋
Yes — our engineers are trained and accredited on the current Mitsubishi Heavy Industries residential and commercial ranges, with manufacturer warranty registration on the day of commissioning.
Can you source genuine Mitsubishi Heavy Industries parts?＋
Yes — we source direct from Mitsubishi Heavy Industries UK's distribution channel. No grey-import equipment, no counterfeit filters or PCBs.
Related services
Home Air Conditioning Installation
Whole-home cooling & heating with quiet inverter splits engineered for UK houses and flats.
Commercial Air Conditioning Installation
Retail, hospitality and mixed-use fit-outs — cassettes, ducted and VRF with BMS integration.
Office Air Conditioning Installation
Discrete cassette and ducted systems that keep meeting rooms cool without wall-mounted eyesores.
UK-Based Coordinators, 7 Days a Week
Our friendly team answers every call, message and booking request — day, night, weekends and bank holidays. No call centres, no bots, no waiting in a queue. Speak to a real coordinator who dispatches an F-Gas certified engineer fast.