Sub-Zero Air Conditioning & Refrigeration

Project Overview

Transforming Wasted Ad Spend into Scalable Business Growth

Sub-Zero, a local air conditioning and commercial refrigeration company, approached us after initially managing their own Google Ads campaigns. Like many growing businesses, they had experimented with paid advertising but lacked the expertise to fully optimise performance.

While they were generating some enquiries, a significant portion of their budget was being wasted on irrelevant traffic, limiting both growth and profitability.

The Challenge

  • Poorly structured Google Ads campaigns

  • High spend on irrelevant search terms

  • Costly clicks (up to £11 per click) with little return

  • Targeting services not relevant to the business (e.g. car air conditioning, caravans)

  • Low visibility for core commercial services

  • Website not optimised for conversions

Despite investing in PPC (and even receiving external guidance) the account was underperforming and failing to deliver consistent, high-quality leads.

Our Strategy

Following a full audit of the account, we implemented a complete overhaul of both the advertising strategy and the website experience.

Following a full audit of the account, we implemented a complete overhaul of both the advertising strategy and the website experience.

1. PPC Account Audit & Restructure

We identified major inefficiencies and rebuilt campaigns from the ground up:

  • Removed irrelevant keywords and search terms

  • Introduced tightly targeted keyword groupings

  • Focused on high-value commercial services

  • Refined geographic targeting

This ensured budget was spent only on relevant, high-intent searches.

2. Precision Targeting & Lead Quality Focus

We shifted the strategy from volume to quality:

  • Targeted the right type of customer (commercial clients)

  • Aligned ads with specific services and user intent

  • Improved ad relevance and messaging

This resulted in a significant improvement in lead quality almost immediately.

3. Website Optimisation & Conversion Improvements

Alongside PPC improvements, we enhanced the website to support both paid and organic performance:

  • Clearer service messaging

  • More professional brand positioning

  • Improved user experience and navigation

  • Conversion-focused layout and calls-to-action

This ensured that increased traffic translated into real business enquiries.

4. Ongoing Optimisation & Growth Strategy

We continue to:

  • Monitor and refine campaigns

  • Identify new opportunities for expansion

  • Introduce additional services into PPC campaigns

  • Provide ongoing strategic advice

This proactive approach supports consistent, scalable growth.

The Results

Increased

Enquiries

Leads

Reduced

Cost-per-Conversion

Costs

Significant

Business Scalability

Growth

Other Work

Crest Roofing & Building

Crest Roofing & Building is a specialist contractor based in Caerphilly, South Wales, offering comprehensive roofing and building services for residential and commercial properties.

Impact Centre for Training

A specialist training provider delivering globally recognised IPC qualifications for professionals in the electronics industry partnered with us to increase their online visibility and drive more course sign-ups.

Creative Solutions & Technical Expertise Tailored to Your Needs.

Whether you’re looking to streamline processes, build something new, or overcome unique challenges, we’re here to make it happen.

Our Expertise,
Your Success.

eInfinity is a team of professional designers, developers, marketers and IT specialists combining our knowledge and expertise to create strategic solutions, tailored to your needs.

Design
Marketing