Services

From audit to installation.

We supply and support WATTS/AERCO heating and water heating equipment and Trooper Water Solutions systems.

01

Energy Audits

Detailed site surveys, metering and reports that pinpoint where your building loses energy and money.

Oneflow engineers carrying out a rooftop energy audit in Harare
Rooftop energy audit, Harare
Learn about delta T and why it costs you money →

02

Heating & Cooling

Design, supply and installation of boilers, chillers, heat pumps and air-conditioning systems.

Oneflow Engineering high-temperature air-source heat pumps
High-temperature heat pumps
AERCO water heaters & pool heat pumps →

03

Retrofit Projects

Upgrading ageing plant rooms with high-efficiency equipment, with minimal disruption to operations.

Old boilers being replaced with new tankless water heaters in a central plant room
Boiler replacement with tankless water heaters

04

HVAC Consultancy

Independent engineering advice, system design, specifications and project oversight.

Oneflow engineers assessing building services at Matapi flats, Mbare
Site assessment, Matapi flats, Mbare

05

Atmospheric Water Generators

Machines that draw clean drinking water straight from the air — ideal where supply is unreliable.

Oneflow Engineering atmospheric water generator
Atmospheric water generator

06

Water Purification

Filtration and treatment systems for homes, offices, hospitals and industry.

WATTS AquaSolve unit, AOP system and water softener
WATTS AquaSolve · AOP system · Water softener

07

Steam Boilers & Steam Networks

Supply, installation and maintenance of steam boilers, plus design and upgrades of steam distribution and condensate return networks.

Indian and African engineers inspecting a Forbes Marshall steam boiler installation
Forbes Marshall steam boiler installation

08

Instruments & Gaskets

Supply of pressure gauges, temperature gauges, steam gaskets and rubber gaskets for boilers, plant rooms and pipework.

Pressure gauges, temperature gauges, steam gaskets and rubber gaskets
Pressure & temperature gauges · Steam & rubber gaskets

09

Valves

Gate valves, ball valves, butterfly valves, non-return valves (NRVs), double regulating valves (DRVs) and pressure-independent control valves (PICVs).

Gate, ball, butterfly, non-return, double regulating and PICV valves
Gate · Ball · Butterfly · NRV · DRV · PICV
Discuss your project