Sizing · Install · Service

The Right Size Costs Less To Run

Capacity worked out from the room rather than the showroom, with install and running costs shown side by side before anybody quotes.

Size My System
Load sizingInstall priceRunning cost
Free sizing

Get the size right first

The capacity your room actually needs, and whether that ageing unit is worth another repair.

The capacity a room actually needs — oversizing costs more and cools worse. It runs in your browser — nothing you type is sent anywhere.

Servers, ovens, a kiln — anything that runs warm.

Buy this size
2.5 kW
Calculated load
2.16 kW
Room volume
48 m³
From the people in it
240 W
In BTU
8,530 BTU/h
Running cost per hour
about 0.75 units of electricity

An oversized unit cools fast, switches off, and leaves the room damp — it short-cycles. Matching the load is what makes a system quiet and dry.

What we do

Installation and service prices

Sized from the room, not from the showroom. Install, service and repair priced separately so you can see what you are paying for.

Most booked

Single room install

Wall unit and outdoor condenser, pipework, bracket and commissioning.

From1200per roomGet a price

Multi-room system

One outdoor unit feeding several rooms, with individual control in each.

From3200per systemGet a price

Annual service

Filters, coils, gas pressure and drainage checked, with a performance report.

From90per unitGet a price

Repair and regas

Leak test, repair and refill, with the pressure logged before and after.

From150per visitGet a price

Heating system service

Boiler or heat pump service, safety check and efficiency report.

From110per yearGet a price

Ductwork and balancing

Duct sizing, sealing and balancing so every room gets what it was designed to.

From480per propertyGet a price

Prices are a guide. The estimator gives a figure for your own property, and the quote is confirmed before any work starts.

Refrigerant certified

Handling and disposal done under the certification the law requires.

Correctly sized

Capacity calculated from the room, the glazing and the orientation — in writing.

Manufacturer warranty

Installed to keep the manufacturer's warranty intact, and registered for you.

Quiet install

Mounting and pipe runs planned so the unit is not the loudest thing in the room.

Recent work

Before and after

Drag the handle across any job to see what changed.

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About
About

Heating and cooling done properly: how capacity is calculated, why an oversized unit leaves a room damp, and what a service actually changes.

Reviews

What people say

“I keep coming back because there is always something new worth watching.”
Jordan A. · Viewer
“Easy to find what I want, and it plays properly on my phone.”
Sam W. · Viewer
“Free, well organised, and no signing up for anything. Refreshing.”
Lena P. · Viewer
Service area

Where we work

Covered as standard, with no travel charge inside the radius.

25km / 15 miles48htypical response
City centre North side South side East side West side Riverside Old town The suburbs Surrounding villages

Not on the list? Ask anyway — we travel further for larger jobs.

FAQ

Common questions

The things people usually want to know.

Is everything free to watch?

Yes — the whole library is open, with nothing to sign up for.

How often is new content added?

Regularly. Join the newsletter and you will hear when something new goes up.

Can I watch on my phone?

Yes. Everything plays on a phone, tablet or computer without an app.

How do I get in touch?

Use the contact form and your message comes straight through.

Book a survey or service

A ten-minute survey decides the right capacity. It is free, and it is the difference between a quiet system and a noisy one.

Mon–Fri 8am–6pm · Sat mornings

Enquiries

Tell us about the job

Send the details and a postcode. You get a price and a time, not a sales call.