Dunedin-based manufacturer of MoistureMaster, a home ventilation system

Auckland firm offering Fresh Fridge filters (made of desiccant minerals, including Zeolite) for coldstores in homes; also serves florists, grocers, retailers, & restaurants; sachets trap moisture, pollutants, & harmful gases causing food decay

Suppliers of cooling towers and evaporative condensers based in Glenfield, Auckland; caters to applications from as small as 50 KW to large industrial sites; also provides spare parts & ancillary products for coolers

Company that instals heat pumps & air-conditioning units for homes & businesses; based in Porirua

Company designing, supplying, & installing heat pumps/air-cons for domestic & light commercial properties in greater Auckland region; specialises in central ducted & multiple systems, often combined with ventilation; brands: Fujitsu, Mitsubishi etc

Manufacturers of freeze drying equiment using lyophilization technology; based in Blenheim; other products: general refrigeration products (like chillers, freezer rooms), airconditioning & heat pumps, heating & ventilation solutions

Engineering company that specialises in energy cost savings; based in Johnsonville, Wellington; activities include process & utility modelling, heat recovery projects, hot & cold utilities including steam & chilled water systems etc

Christchurch-based company that supplies the DEVI range of radiant heating products manufactured by DEVI A/S in Denmark; works by heating large surfaces like floors and ceilings through electric heating elements buried in the floor construction

Suppliers of heat pumps based in Christchurch; brands include Mitsubishi, Panasonic & Fujitsu; offers options for both residential and commercial purposes

Manufacturers of electric flame effect fires; heating devices (oil columns, convection heaters, heating fans, bathroom heaters) and cooling devices (desk fans, pedestal fans, box fans, high velocity fans, evaporative coolers)