Heating System Design Engineer (Field)

Aira; Colchester; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

Health Cash Plan

Reward Gateway

Life insurance

iPad and equipment provided

25 days annual leave

Job summary

Aira in Colchester, United Kingdom, is seeking a Heating System Design Engineer to design high quality air source heat pump installations for domestic properties. You will conduct site surveys, gather data, and generate accurate heat loss calculations while advising on appropriate radiator outputs and system layouts.

Join a forward‑looking clean-energy company that values practical problem solving, regulatory compliance, and excellent customer service. Salary (£42,000) and benefits are provided.

Qualifications

• Experience designing high quality air source heat pump installations for domestic properties.
• Perform site surveys and data collection for accurate heat loss calculations.
• Provide solutions to technical issues to ensure installation proceeds.
• Keep updated with manufacturer guidance and building regulations including heat pumps and low-carbon heating.

Responsibilities

• Attend customer properties in your designated area.
• Conduct a site survey and collect data relevant to the installation requirements.
• Carry out a room by room heat loss assessment; determine radiator requirements.
• Answer technical queries from customers and explain proposed changes.
• Communicate price changes and obtain customer approval for proposals.
• Create a materials list for the installation.

Skills

Air source heat pump design

Site surveys

Heat loss calculation

Customer communication

Education

Level 3 Award in installation and maintenance of air source heat pump systems

WRAS certificate

Level 2 / 3 Award in plumbing

Level 3 Award Low temperature heating and hot water systems in dwellings

Job description

Upgrade Your Career With Aira

Clean‑energy tech leads to a positive global transformation. Heating homes contribute to 15% of Europe's CO2 emissions. Switching to sustainable solutions offers households a way to achieve net‑zero emissions.

Aira's mission is to advance the next generation of home energy solutions, creating intelligent, sustainable homes for a meaningful impact. Starting with innovative heat pumps, it will evolve into a comprehensive, intelligent clean‑energy‑tech system and include dynamic electrical tariffs, cutting‑edge home solar systems, and advanced battery storage solutions.

About the role as Heating System Design Engineer at Aira

The survey/design visit is a key aspect of the customer journey to ensure an installation goes ahead as planned, and as the customer expects. You will find solutions to problems, ensure the project works in the interests of both the customer and Aira, and provide excellent customer service along the way. You will have the technical expertise to offer additional products and services we may offer in the interests of the customer.

What you’ll be doing as Heating System Design Engineer at Aira

• Have the necessary qualifications, training, and experience to design high quality air source heat pump installations for domestic properties.
• Gather information from the quote, property and your survey data to generate an accurate heat loss calculation and emitter output requirements.
• Find solutions to any technical issues where possible to ensure an installation can still go ahead.
• Report any issues which may affect installation to your line manager from the customer's property.
• Keep up to date with all manufacturer's guidance, and any legislative changes including but not limited to heat pumps, low carbon heating, clean energy, and building regulations.
• Operate within required Aira’s efficiency guidelines as well as MCS etc.

What might a day look like?

• Attend customer properties in your designated area
• Conduct a site survey and collect data relevant to the installation requirements
• Carry out a room by room heat loss assessmentDetermine which radiators need to be replaced, and communicate this with your customer
• Answer any technical queries the customer may have
• Communicate any price changes with the customer and explain the reason for these
• Obtain approval from the customer for your proposal to go ahead
• Create a list of materials required for the installation to be carried out

What you'll need to have as Heating System Design Engineer at Aira

• You'll need to have the necessary qualifications, training, and experience to design high quality air source heat pump installations for domestic properties.

The following would be useful to have:

• Qualifications in System design such as Heat Geek Heating Mastery
• Level 3 Award in installation and maintenance of air source heat pump systems
• Water regulations certificate (WRAS) course
• Level 2 / 3 Award in plumbing
• Level 3 Award Low temperature heating and hot water systems in dwellings

What is in it for you?

• Salary of £42,000
• 25 days annual leave + bank holidays
• Health Cash Plan
• Reward Gateway (shopping discount)
• Life insurance
• 25 days Annual Leave plus Bank Holidays
• iPad, Phone and all equipment provided

At Aira, We’re not just champions of next-generation energy, we’re champions in Diversity and Inclusion too. We believe that a diverse workforce sparks innovation and creativity and enables us to better serve our customers and communities. We encourage individuals from all backgrounds, cultures, and perspectives to join our team. We will never accept any form of discrimination and believe that together, we can drive a new era for our people and planet.