Stay cosy. Stay cool. Stay sorted.

London's modern take on heating, cooling and ventilation. From hidden ducted systems to wall units. Designed for your home, installed by experts.
01

Get a Quote

Use our instant online quote calculator for splits and multi-splits, or get in touch directly for larger projects.
02

We Plan

We carefully design your bespoke system, or coordinate closely with your M&E consultant to install to spec.
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Get Cosy

Clean, professional installation with full commissioning. We walk you through everything before we leave.

What We Do

From single rooms to whole-home systems, we install it all.

Cool one room, or every room

Whisper-quiet heating and cooling in one sleek unit. Energy efficient, easy to control, and perfect for bedrooms, living rooms, and home offices.

One system, multiple rooms

A single outdoor unit powers up to five indoor units: wall-mounted, ducted, or a mix. The smart way to climate-control your whole home.

Hidden yet felt throughout the home

Discreet climate control designed around your interior. No visible wall unit, just clean air from concealed grilles.

Fresh air in... stale air out...

Mechanical ventilation with heat recovery. Filters and circulates air throughout your home, recovering up to 90% of heat that would otherwise escape.

Why homeowners choose CosyFlow

We're not your typical contractor. From the first call to the final walkthrough, we do things differently.
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No chasing. We pick up, reply fast, and keep you updated.
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No guessing. Fixed pricing, clear timelines, no surprises.
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No mess. Clean install, full commissioning, and a proper handover.
What type of system are you looking for?
Not sure? A split system cools one room. Multi-split connects multiple indoor units to a single outdoor unit β€” perfect for whole-home comfort.
Please select a system type to continue.
Single split system diagram
Single Split
One indoor unit + one outdoor unit. Perfect for cooling a single room.
Multi-split system diagram
Multi-Split
2–5 indoor units sharing one outdoor unit. Ideal for multiple rooms.
πŸ’‘Both systems offer heating and cooling with 0% VAT β€” that's a saving of 20% compared to standard-rated products. The government incentive applies to all air source heat pumps.
Tell us about your property
This helps us plan the right installation for your home.
Please complete all selections to continue.
🏑
House
🏒
Flat / Apartment
🏬
Office

The outdoor unit (condenser) sits outside your property. Ground-level is simplest and cheapest.

Ground mounted outdoor unit
On the ground
Standard install
Wall mounted low outdoor unit
Wall mounted low
Below 2 metres
Wall mounted high outdoor unit
Wall mounted high
2–4 metres

Recent regulations have relaxed planning requirements for heat pumps. We just need to know the distance to plan the installation correctly.

More than 1.5m clearance
1.5 metres or more
Standard install
Less than 1.5m clearance
Less than 1.5 metres
We'll check during survey
Configure your room
Tell us about the room you'd like air conditioned.
Please complete all fields for this room.
πŸ›‹οΈ
Living room
πŸ›οΈ
Bedroom
🍳
Kitchen
🍽️
Dining room
🌿
Garden room
πŸ“¦
Other

Not sure? Don't worry β€” we'll double-check during the survey.

Small
Up to 18mΒ² Β· e.g. bedroom
Medium
18–30mΒ² Β· e.g. living room
Large
30–45mΒ² Β· e.g. open plan
Basement
Ground
1st floor
2nd floor+

If the unit sits on an outside wall, the pipework goes straight through. On an internal wall, pipes need to be routed across to the nearest external wall.

Unit on external wall β€” pipes go straight through
Yes β€” outside wall
Pipes go straight through
Unit on internal wall β€” pipes route to outside
No β€” internal wall
Pipes route through to the outside

This is the total pipe length from your indoor unit to where the outdoor unit sits.

Short pipe run 3-5 metres
3 – 5 metres
Medium pipe run 6-15 metres
6 – 15 metres
Long pipe run
16 – 20 metres
Choose your Daikin unit
All units include WiFi, app control, and 5-year manufacturer warranty. We only install Daikin β€” Japan's #1 air conditioning brand.
Please select a unit to continue.
Daikin Comfora
Budget-Friendly
Comfora
FTXP Series Β· 286Γ—770Γ—225 mm
Compact, quiet, and efficient. Ideal above doors or where space is tight. Titanium apatite filters remove odours and allergens.
Coolingβ€”
Heatingβ€”
Noise19 dB sleep Β· 32 dB day
Warranty5 year manufacturer
+ 12 month workmanship
Daikin Perfera
Comfortβ˜… Recommended
Perfera
FTXM Series Β· 298Γ—804Γ—252 mm
Our most popular choice. Floor-to-ceiling airflow with 2-area intelligent eye sensor and Flash Streamer purification.
Coolingβ€”
Heatingβ€”
Noise19 dB sleep Β· 32 dB day
Warranty5 year manufacturer
+ 12 month workmanship
Daikin Stylish
Premium
Stylish
FTXA Series Β· 295Γ—798Γ—189 mm
Award-winning design with curved edges. Available in white, black, and silver to match any interior.
Coolingβ€”
Heatingβ€”
Noise19 dB sleep Β· 32 dB day
Warranty5 year manufacturer
+ 12 month workmanship
πŸ’‘What does SEER mean? It's the cooling efficiency ratio. A SEER of 9.25 means for every Β£1 of electricity, you get Β£9.25 worth of cooling. Higher = cheaper to run.
πŸ”₯What does SCOP mean? It's the heating efficiency ratio. A SCOP of 5.20 means for every Β£1 of electricity, you get Β£5.20 of heat. Far more efficient than electric heaters.
πŸ”‡How quiet is 19 dB? That's quieter than a whisper (20 dB) and softer than rustling leaves. At 32 dB during the day, it's still quieter than a library.
Almost there β€” your details
We'll send your personalised quote to your email. No spam, ever.
Please fill in all required fields.
πŸ”’Your details are only used to send your quote and for our team to follow up. We never share your data with third parties.
Your instant estimate
Here's your personalised quote based on what you've told us.
#COSY0000
Estimated total
β€”
0% VAT applied β€” you save Β£0
What's included
Not included
⚑Estimated running cost info will appear here.
πŸ“‹This is an instant estimate based on the information you've provided. Final pricing is confirmed after our free survey where we check pipe runs, electrical supply, and any site-specific requirements.
Time to talk?
Based on what you've told us, we'll need to check a few details before we can provide an accurate quote. This is nothing to worry about β€” it just means your installation has some specifics we'd like to assess in person.
πŸ’‘Basements, flats, and offices often need bespoke pipe routing, access arrangements, or freeholder permissions. A quick chat helps us give you the most accurate price.
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Grovia helped us streamline our operations and scale faster than we imagined. Their mix of strategy and execution is unmatched.
Talia Smith
Head of Product at Forma
Contemplative Woman in Vibrant Fashion
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Working with Grovia felt like having an extension of our team. They understood our challenges and delivered real, measurable results.
Jordan Johnson
COO at Metricon
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From the first meeting, Grovia brought clarity and momentum to our hiring strategy. We’ve seen a major improvement in team performance.
Samuel Torres
Founder at Bloomtech
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Air Con Running Cost Calculator
See how affordable a Daikin heat pump is to run β€” costs update instantly as you adjust.
πŸ›οΈ
Small
Up to 18mΒ² Β· e.g. bedroom
πŸ›‹οΈ
Medium
18–30mΒ² Β· e.g. living room
🍽️
Large
30–45mΒ² Β· e.g. open plan
I know my unit's specs β€” let me enter capacity, SEER & SCOP
Rated cooling output
Rated heating output
Typical: 6 – 10+
Typical: 3.5 – 5.5
❄️ Cooling
πŸ”„ Both
πŸ”₯ Heating
8 hours
6 months
Β£ per kWh (Ofgem cap rate)
Your Estimated Running Costs
πŸ’‘
Compared to a portable AC unit

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