Frequently asked questions

For most installations, yes. A site survey lets us measure rooms, check outdoor unit positions, plan the pipe route and look at the power supply. For simple jobs, photos and measurements can be enough.

One hot room usually needs a wall-mounted split. Several rooms often suit a multi-split with one outdoor unit. If you want units out of sight, a ducted system may work. Offices and shops often use cassettes, and larger buildings VRF.

Somewhere with good airflow, a sound wall or ground base, a pipe route to the indoor unit within the manufacturer’s limits, and space for servicing. We keep it away from neighbours’ windows where we can. Our guide to outdoor unit positions explains more.

Most modern split systems can. The Energy Saving Trust notes that air-to-air heat pumps are sometimes referred to as air conditioning. If you want heating too, tell us, as it affects the size of unit we recommend.

Leading brands including Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. We’ll suggest models that suit the room, your budget and how quiet you need it to be.

Typical prices, supplied and fitted: one room £1,200–£2,200 + VAT; two rooms £2,800–£4,500 + VAT; three to five rooms £4,500–£8,500 + VAT. Commercial VRF systems are priced after survey. See our prices page.

HMRC’s Notice 708/6 zero-rates installing air source heat pumps in homes until 31 March 2027, then 5%. HMRC says most air conditioning units are air source heat pumps, but each case depends on the facts, so we confirm the VAT on your quote. This is general information, not tax advice.

In England and Wales, the Boiler Upgrade Scheme offers £7,500 towards an air-to-water or ground source heat pump and £2,500 towards an air-to-air heat pump that replaces fossil-fuel heating and meets the home’s full heating demand. It must be fitted by an MCS certified installer, and we apply for you.

No. The air-to-air grant is only for a system that replaces your existing fossil-fuel heating and heats the whole home. A unit added as a top-up alongside a boiler doesn’t qualify.

Yes. We give you a fixed-price quote after the survey. Installation prices include supply, fitting, commissioning and F-Gas documentation. If you change the job, we’ll agree any change in price with you first.

We recommend once a year for most systems, and more often for busy commercial sites or units by the sea. An annual service is typically £95–£150 + VAT. Our guide to what a service includes lists each step.

Yes. We repair and service all the main makes, whoever fitted them. Repair call-outs start from £75 + VAT for diagnosis.

Check the mode and set temperature, clean or replace the filters and make sure nothing is blocking the outdoor unit. If it still isn’t cooling, turn it off and call us. Our guide to why air conditioning stops cooling has more.

Yes. Repairing and topping up existing R410A systems is legal. Supply is getting tighter as the HFC phase-down continues, so top-ups may cost more over time. Our guide to the 2027 phase-down explains.

Yes. Our 24/7 line is for breakdowns that can’t wait, such as a failed server room unit. See our emergency repair page.

It depends. A heat pump on a house can be permitted development within limits on size, position and noise, set out by the Planning Portal. Cooling-only units, flats, listed buildings and some conservation areas need the council’s view. We advise on the survey.

Usually your landlord’s written consent under the lease, and possibly planning permission. We can provide the details both will ask for. See our guide to leasehold consent.

An energy inspection required for air conditioning systems over 12 kW, at least every five years, by an accredited energy assessor. We help you prepare and fix what the report finds. See TM44 inspections.

Yes, if a system holds 5 tonnes CO2 equivalent of refrigerant or more: at least every 12 months, more often for larger systems. GOV.UK explains the leak check rules.

East Grinstead, West Sussex. We work across Greater London and the South East from here.

We reply to every enquiry the same working day. For breakdowns, call our 24/7 line on 07833 053749.

We’re an F-Gas certified company, NICEIC approved, MCS certified and a Checkatrade member. Our accreditations page explains each one.