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Heat Pump Services

Heat Pump Installation & Repair

Efficient heating in winter and cooling in summer from one system. We install, repair and maintain heat pumps for homes and businesses.

Request a Quote

Tell us about your heat pump project and our team will get back to you with next steps.

Heating & Cooling in One

For homes and businesses

Overview

One efficient system for comfort in every season

A heat pump moves heat instead of creating it, giving you efficient warmth in winter and cooling in summer from a single system. DU 40 Heating and Cooling installs, repairs and maintains heat pumps for homes and businesses.

We help you choose the right system for your space, install it neatly and make sure you know how to get the most from it.

What we do

Complete Heat Pump Services

Everything you need to plan, install and maintain an efficient heat pump system.

Heat Pump Installation

Correctly sized and professionally installed systems for efficient year-round comfort.

Heat Pump Repair

Diagnosis and repair for heating or cooling problems, noises, leaks and faults.

System Replacement

Upgrade an older or unreliable unit to a quieter, more efficient heat pump.

Maintenance & Tune-Ups

Regular cleaning and checks that protect efficiency and extend system life.

Controls & Settings

Set-up and adjustment of thermostats and controls for the best performance.

Expert Advice

Honest guidance on whether a heat pump is the right fit for your space.

Warning signs

Is your heat pump losing its edge?

Heat pumps work hard all year. If you notice any of these signs, book a check before a small issue becomes a bigger one.

Not heating or cooling well

Rooms never quite reach the temperature you set.

Ice on the outdoor unit

Heavy frost that does not clear during defrost cycles.

Unusual noises

Grinding, rattling or buzzing from the indoor or outdoor unit.

Constant running

The system rarely switches off, even in mild weather.

Higher energy bills

Running costs rise without a change in how you use it.

Weak airflow

Less air coming from vents or the indoor unit.

How it works

From Planning to Comfort

A clear, simple process for repairs and new installations.
01

Get in touch

Call or send the form and choose a time that suits you.
02

Assess your space

We look at your system or space and explain the right options.
03

Install or repair

The work is completed neatly with quality parts and care.
04

Test & explain

We test heating and cooling modes and walk you through the controls.

Why DU 40

Heat pump experts you can trust

From the first visit to the final walkthrough, we keep things simple, clear and professional.

Fast Response

Prompt scheduling for repairs and new installations.

Fair Pricing

Clear quotes before work begins, with no surprises.

Skilled Technicians

Trained professionals who know heat pump systems.

Work We Stand Behind

Tidy, careful installations we are proud of.

Customer stories

Comfort Our Clients Can Feel

Feedback from customers we have helped with heating and cooling.
★★★★★

Heat pump install was seamless

“The crew was on time, tidy and professional. Our new heat pump is quiet and our energy bill has dropped noticeably since the install.”

James Thompson

Homeowner
★★★★★

AC repair done right

“The shop AC was struggling all summer. DU 40 diagnosed a failing capacitor, fixed it the same visit and explained everything clearly. No pushy upsells at all.”

Sarah Mitchell

Business Owner
★★★★★

Smart thermostat, zero hassle

“They installed and set up our smart thermostat in under an hour and showed us how to use every feature. Very patient and friendly.”

Michael Reynolds

Homeowner

FAQ

Heat pump questions, answered

Thinking about a heat pump? Our team is happy to talk it through over the phone.

A heat pump moves heat rather than creating it. In winter it draws heat from the outside air and brings it inside; in summer it reverses to remove heat from your home, working like an air conditioner.

Yes, modern heat pumps are designed to heat effectively in cold conditions. In very cold climates they are often paired with a backup heat source, and we will recommend the right setup for your home.

Because it runs in both seasons, we recommend a check-up at least once a year, ideally before the heating or cooling season.

Heat pumps are very efficient, and many customers notice lower running costs compared with older systems. Actual savings depend on your home, climate and the system you replace.

Often, yes. We assess your existing system and ductwork and explain the best option for your space.

Yes. We install and service heat pumps for homes, rental properties and commercial spaces.

Ready for efficient comfort all year?

Call now or request a quote online and we will help you find the right heat pump solution.