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airex.tech

18 technologies
VerifiedVisit2.4K/mo$7M3918 Tech
Deep Dive

AirEx: The Smart Air Brick Fighting Fuel Poverty

How a 39-person startup is retrofitting UK homes to slash energy bills by 15%

In a market saturated with smart thermostats, AirEx is tackling the UK's energy crisis from the ground up—literally. Their smart air brick retrofit turns dumb ventilation into an active energy-saving system, reducing bills by up to 15% for homes with suspended floors.

39
employees
$6.9M
annual revenue
2,444
monthly visits
50%
organic search traffic

"AirEx isn't selling a gadget—they're selling a retrofit revolution that pays for itself while fighting climate change."

The Hidden Market

AirEx targets a specific architectural flaw: suspended timber floors common in UK homes built before 1930. These floors leak 15-20% more heat than solid foundations, yet traditional air bricks offer zero control. With 2.4 million UK homes having suspended floors, AirEx addresses a massive retrofit opportunity that smart thermostats ignore.

Growth Story

Despite modest traffic (2,444 monthly visits), AirEx converts 50% through organic search—people aren't browsing, they're hunting solutions. Their keyword strategy reveals intent: 'airflow path under suspended floors' (140 monthly searches) shows they're capturing serious homeowners, not just curious browsers. With $6.9M in revenue and a lean 39-person team, they're proving that deep vertical focus beats broad horizontal plays.

The product is deceptively simple: a smart air brick that automatically closes during cold weather and opens when ventilation is needed. No complex installation, no central system required. It's a distributed network of intelligent vents that work independently, making it ideal for older buildings where retrofitting is complex and expensive.

  • First-mover advantage in smart ventilation for suspended floors
  • Direct alignment with UK's Net Zero 2050 targets and EPC regulations
  • Hardware-as-a-service model with clear ROI for homeowners
  • Trustpilot presence (3.4/5) indicates early customer validation
Doesn't compete with Nest/Hive on central heating
Owns a niche hardware category
Not a scalable SaaS platform
Regulatory tailwinds from UK energy policies
Limited to UK housing stock
Simple retrofit = faster adoption

The Verdict: Hardware with a Mission

AirEx proves that climate tech doesn't need to be flashy—just smart, specific, and solving a real pain point for a defined market.

What tech stack does Airex use?

30 detected
Security1
Reviews1
Analytics & Marketing2
Web Standards1
UI Libraries1
Frontend Frameworks1
Tracking & Analytics12
L
LinkedIn Insight Tag
G
Google Analytics
H
Hotjar
H
Hotjar
G
Google Tag Manager
H
Hotjar
L
LinkedIn Insight Tag
G
Google Analytics
G
Google DoubleClick
G
Google Static
G
Google APIs
L
LinkedIn

How much traffic does Airex get?

Traffic & Engagement

2.4K
Monthly Visits
2.1
Pages/Visit
0:46
Avg. Duration
45%
Bounce Rate
Monthly Traffic Trend-25%
3.3K
Oct 2025
Oct
2.5K
Nov 2025
Nov
2.4K
Dec 2025
Dec

Traffic Sources

Search
50%
Direct
34%
Social
4%
Referrals
10%
Email
0%
Paid
2%

Where is Airex's audience located?

🌍60.4%
🌍39.6%

What keywords does Airex rank for?

5 keywords
1airflow path under suspended floors140 vol
2airex1.1K vol$0.74
3air bricks500 vol$1.45
4air brick vent for sale470 vol
5ai rex330 vol

How is Airex's SEO?

Open Graph Image

OG Image preview
og:image

http://static1.squarespace.com/static/619ccb990dfec66f19b442f2/t/6633a56e9754af5429a6ea4f/1714660718428/2024-LOGO-COLOUR.png?format=1500w

Meta Tags

title31 chars

AirEx Smart Ventilation Control

description216 chars

Keeping homes warm with smart airflow control. AirEx have created the world’s first smart air brick to reduce the home’s energy bills, helping to end fuel poverty and climate change with a simple building retrofit.

og:description

Keeping homes warm with smart airflow control. AirEx have created the world’s first smart air brick to reduce the home’s energy bills, helping to end fuel poverty and climate change with a simple building retrofit.

languageEN-GB

Schema Types

WebSiteLocalBusiness

Who works at Airex?

Loading leads...

What do customers think of Airex?

Airex Technologies

Airex Technologies

3.4
2 reviews
✓ Claimed

Categories

Energy Equipment and Solutions#undefined

Activity & Engagement

Reply Rate
0%
Avg. Reply Time
0.0 days
Claimed Date
11/13/2023

Contact Information

Address:
Sustainable Ventures, County Hall Belvedere Road
London, GB

Reviews (2)

Filter by rating:
Tim M
5/29/2024
🇬🇧 United Kingdom5 reviewsOrganicUnverified
Experience date: 4/26/2024
Greatly improved underfloor insulation and comfort

Following a botched install from a previous supplier, Airex pulled out all the stops to redress the situation. Due to no fault of their own and wanting to put right my situation, they agreed to send out a different company to replace all of my units and correct my setup. It's incredibly rare to see companies take on this level of ownership over their customers, and I consider myself lucky to be a customer of theirs. Thank you Airex and team!

Oswald Kirstine
1/2/2026
🇬🇧 United Kingdom1 reviewsOrganicUnverified
Experience date: 1/2/2026
Good product poor customer service

I have 14 of these smart vents under my bungalow. It is a clever way to reduce heat loss throught the floor iin homes usch as mine where the void unnder the floor is too shallow to enable a retrofit of under floor insulation. The initial cost is high for a bungalow around £2500. I believe the system s working but there s no way of knowing without opening up the front grills on a cold morning. A major disappointment is the very poor customer support from Airex. They say that they wll contact one when there is a problem, but they have't once done this. My installerhad informed me, though now Airex have cut back how much information he receives and so cannot tell me if the vents are opeong and shutting as promised. In the early days I asked Aiirex if I could have a brief summary of performance (they have all the data) but they said it was too much trouble for them. Ths contrasts wth other technology I have where I can monitor n real tme my heat pump, solar panels and batteries on apps. Arex need to get there act together and creat an app. Thye seem interested in larege projects and neglect individual customers and their installers.

Frequently Asked Questions about Airex

What is Airex's Revenue?
Airex generates approximately $7M in annual revenue. With 39 employees, that's $176,000 per employee.
What does Airex do?
Keeping homes warm with smart airflow control. AirEx have created the world’s first smart air brick to reduce the home’s energy bills, helping to end fuel poverty and climate change with a simple building retrofit.
How fast is Airex growing?
Airex employee count has changed by 8% year over year.
What technologies does Airex use?
Airex uses 18 technologies across their website including Video, Fonts, Security. Key technologies include YouTube Embed, Adobe Fonts, HSTS.
Who are Airex's competitors?
Airex's main competitors include Phoenix Energy, Utility Bidder LTD, SSE plc, THORNE and DERRICK LV-HV Cable Accessories Jointing Tooling Substation and Electrical Safety Eqpt, Instalcom Limited. These companies operate in similar markets and compete for the same customer base.
What do customers think of Airex?
Airex has a Trustpilot score of 3.4 out of 5 (3 stars) based on 2 customer reviews.

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About airex.tech

Keeping homes warm with smart airflow control. AirEx have created the world’s first smart air brick to reduce the home’s energy bills, helping to end fuel poverty and climate change with a simple building retrofit.

Company Overview

airex.tech
Website
#6,217,401
Global Rank
2.4K
Monthly Visitors
18
Technologies

airex.tech Social Media

Contact airex.tech

Technology Stack

airex.tech uses 18 technologies across their website including YouTube Embed, Adobe Fonts, HSTS, and more.

Video

YouTube Embed

Fonts

Adobe Fonts

Security

HSTS

CMS

Squarespace

Advertising

DoubleClick Floodlight, LinkedIn Insight Tag, Google Ads

CRM

Pipedrive

Traffic & Audience

2.4K
Monthly Visits
45%
Bounce Rate
2.1
Pages/Visit
0:46
Avg. Duration

airex.tech receives approximately 2.4K monthly visitors and ranks #6,217,401 globally. The website has a bounce rate of 45% with visitors viewing an average of 2.1 pages per visit. Users spend an average of 0:46 on the site.

The majority of airex.tech's traffic comes from undefined, .

Frequently Asked Questions

What is airex.tech?
Keeping homes warm with smart airflow control. AirEx have created the world’s first smart air brick to reduce the home’s energy bills, helping to end fuel poverty and climate change with a simple building retrofit.
What technologies does airex.tech use?
airex.tech uses 18 technologies including YouTube Embed, Adobe Fonts, and 12 more. View the full tech stack analysis above.
How do I contact airex.tech?
You can contact airex.tech via email at [email protected] or through their contact page.
What are airex.tech's social media accounts?
airex.tech is active on twitter, linkedin. You can find links to all their social media profiles in the social section above.
Is airex.tech hiring?
Check airex.tech's careers page for current job openings and opportunities.
How popular is airex.tech?
airex.tech receives approximately 2.4K monthly visitors and ranks #6,217,401 globally. Traffic is declining by 2.7% month-over-month.

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