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Welcome to Hothouse

Hothouse are Heat Pump and Air Conditioning specialists in the wider Wellington region.
We offer packages for heating, cooling, ventilation, insulation, and offer a full range of
residential and commercial heat pump and refrigeration services.

Hothouse started in 2007 as a heating company to compliment Below Zero Refrigeration.
In 2012 Hothouse and Below Zero merged and now operate as divisions under the name Swittch – the home of
Below Zero Refrigeration, Hothouse Air Conditioning & Heat Pumps, and Firefly Electrical

We do what we know and know what we do. At Hothouse our focus is applying our considerable experience and knowledge to every product we sell, service and install for the benefit of our customer, with transparency.


Hothouse offer quality products featuring the latest technology. This includes the latest Pebbleair remote heat pump controller allowing you to control your heat pump from your phone or tablet.

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Hothouse offer warranties on all their heat pumps. We are also an authorised HPG service centre with fully trained technicians.
Hothouse are proud to offer support
you can rely on.

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Healthy Homes Standards 2019

New Healthy Homes Standards for rental properties in New Zealand became law on 01/07/19. The standards will play a significant role in improving the wellbeing of New Zealanders
and their families.

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10 Step Guide to

Buying a Heat Pump

At Hothouse, we want to help ensure you make the best decision for you.

We have created a 10 step guide to buying a heat pump and invite you to view this by clicking the image to the right, or by clicking here to download (PDF – 1.2mb)

If you have any questions on heat pumps after reading this, or want any clarification, just call us and we are happy to answer any questions you may have.

Our 10 step guide includes information on:
  • Know what areas you are looking to heat
  • Know what heat pumps and other heating devices can actually do
  • Know if the area you want heating is insulated
  • Something Energy efficient & green
  • Buy a product that is supported in New Zealand
  • How do I know they have picked the right unit for me?
  • Will the Heat Pump be located in the right place?
  • Can the company you buy the heat pump from look after it, and you, once they have put it in?
  • Make sure you get value for money
  • Recognise the cheeky sales tricks




Outdoor unit with Flashing



Xtreme Outdoors


Extract System

Fresh Air Ventilation


8kW Outdoor

10kw Multi Outdoor

14kw Ducted Indoor

Hi Wall Outdoor

Panasonic Outdoor Unit

Indoor Unit

Ducted Indoor

16kw Ducted Outdoor

Multi Floor Console head

Multi Indoor Cassette

Daikin Compact Cassette

Stacked Condenser Mount

6kw Hi Wall Indoor

Daikin Cage

Daikin Outdoor Unit


We just wanted to say thank you for your exceptional service Brittany and Avilash today and yesterday; Brittany offered us so much help on the phone and it was a pleasure to talk to her. Avilash worked in cold conditions straight through without a break and offered us fabulous service.
Thank you both for your exemplary help and service. We recommend your firm to everyone.

Susan & PaulWellington

Many thanks for installation of above heat pump yesterday by Neil and Jason. Its humming along like a hot house! Special commendation for both Neil and Jason who politely took off their shoes before entering our home. Technically both moved effortlessly in the installation. They made sure debris and flax plants were removed too after the job. We are very impressed by the quality of your team. Thank you again.


I just wanted to say a big thank you to you at Hothouse and also to Fujitsu for sorting out the issues with my heatpump. I was blown away when Fujitsu decided to supply a complete new heatpump. It was all taken care of so quickly. The Hothouse staff were fantastic with their keeping in contact, their great technical knowledge and service.

OllieLower Hutt

Kia ora Laurie, I wanted to pass on our thanks to you and your team for your efforts in getting our heating system in. We are absolutely rapt with it. You made the whole process easy, and we appreciated your expertise in designing an excellent system specifically for our house, your confident solution-based approach, and your going the extra mile to make sure things were perfect. We appreciated the oversight and management you provided to the various subcontractors that visited our house. Despite our home being turned into a site for two weeks, we barely knew they were there as they cleaned up after themselves and made sure everything was orderly before we got home. As for the actual product, we received our first power bill and we were rapt with that too. The grilles are now perfectly functional, and still look very stylish. We were particularly impressed that they are sourced and made locally. Having a warm house has transformed our home. Choosing to go with Hothouse was the best decision we made. Ben and I will definitely be recommending you to everyone we can, and we look forward to having one of your team back to service the system in due course. Our sincere thanks for a job well done.

Chantal and BenKhandallah

My new heat pump is fantastic and the installers have done a very tidy job. Thanks!

A. DillonUpper Hutt

The best decision I made this year was getting a heat pump fitted by Hothouse. I am really impressed with it. The house is so much warmer and dryer. No more condensation and it's really quiet too. I highly recommend a heat pump to anyone thinking about installing one. Thank you Hothouse.

Carol DaviesTotara Park

We found the masses of information on heat pumps to be overwhelming, but decided to get quotes from several firms. Only Hothouse Air Conditioning Ltd were able to explain the details in a clear and open manner that enabled us to choose from the best quote, this winning quote was from Hothouse too. The standard of work was excellent, with excellent communication between us and the team throughout the installation. The team finished early, under budget and our house is now very comfortable. It was a genuinely pleasurable experience to invite Hothouse into our home.

Graham, Jayne, Siân and BethanKhandallah

We are very pleased with the service given by Hothouse. They were flexible and informative in their approach; very prompt in their responses; and gave us great assistance at every step. Everything promised was delivered on schedule and we are very pleased with the system we have installed. Our system has made a big difference in our comfort at home and is efficient, responsive and quiet. It would be great if all our home projects worked out so well. Really pleased with what you did for us.

Ned and KateEastbourne

Laurie had a thorough look over our house and advised us on the best solution for our needs but also on other things we could do to keep our house warm, like replacing our very old ceiling insulation. The heat pumps he recommended were professionally and competently installed and have made our house properly warm in winter for the first time in thirty years. We are very pleased with the result.

Rob and ColleenKarori

Since our Fujitsu was installed by Hothouse we have enjoyed the comfort of getting up to a warm house every morning. Having a busy life with young kids the convenience of just pushing a button and receiving a warm and healthy environment is fantastic. One of the things that impressed us the most, other than the great performance of our Fujitsu heat pump, was the professionalism of the Hothouse team. From the initial engagement and pricing through to the installation, everybody we dealt with was friendly, polite and most importantly, carried out the installation to the highest work standards.

Shane MatherLower Hutt

My advice to anyone thinking about getting a system like this, is to get the right advice on the location of both the fan and the compressor. The Hothouse Air Condintioning solution was truly superior to the two other quotes for my heat pump. The result was, the heating is very effective and the compressor is in an ideal position the others did not consider.

Ben CreaghLower Hutt

Hothouse were recommended to us when we were looking at heating options for our home. Laurie Stephenson (manager) visited our house, carried out detailed inspections and made recommendations based on what he saw and what we told him regarding how we used the various rooms and levels. We're really happy with the option he suggested: a ducted heat pump system upstairs and a stand-alone heat pump unit downstairs (which best suits the topography of our house). Laurie and his team are real professionals, with many years of experience as air conditioning engineers, in designing and installing heating and air conditioning systems. Nothing was too much trouble, and attention to detail meant we have a very quiet, virtually invisible set-up, with heat flows that work very well in the house.We've heard horror stories of heat pump installations going wrong and are glad we had people recommended to us who truly knew what they were doing, and were competitively priced. We wouldn't hesitate in recommending Hothouse.

Suzanne and David GordonWellington

We have had your team installing our new heat pump this morning.
We are pleased with the workmanship and tidy manner they have left the job.
Parry has explained the working and and also if we have any problems we believe we can contact you.
Five star plus job both inside and out. Thank you.

Lyn & TerrySeatoun


Proven experience in Industrial
and Commercial Refrigeration

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Air Conditioning

Residential and Commercial Air Conditioning,
Heat Pumps and Ventilation

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Residential and Commercial

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