Case Study: How a Leading HVAC Company Grew by Diversifying Beyond Google Ads

A leading HVAC (plumbing and heating) company we have worked with for over 10 years had already achieved remarkable success with SumFactors, quadrupling their business size thanks to a new brand identity and a highly optimised Google Ads account that generated consistent daily leads. However, with success came a new, high-quality problem: they were hitting a growth ceiling. As competition in the home services sector intensified on Google, costs per click (CPCs) began to rise, and their reliance on a single channel for lead generation became a strategic risk. The challenge was no longer just about optimisation; it was about smart diversification.

The Challenge: Hitting the Google Ads Growth Ceiling

While the client’s Google Ads campaigns were expertly managed, the platform itself presented unavoidable market pressures. Increased competition from other local home service providers led to bidding wars for top keywords, steadily driving up their cost per acquisition (CPA). They faced a classic case of diminishing returns, where spending more money no longer guaranteed a proportional increase in leads. It became clear that to continue their impressive growth trajectory, they needed to de-risk their marketing strategy and find new, more cost-effective streams of qualified customers.

The Strategy: A Data-Driven Diversification Plan

Our approach wasn’t to abandon Google Ads; it was still a vital channel. Instead, we proposed a strategic reallocation of their budget to complement Google’s reach. The plan was twofold: first, tap into a high-intent, lower-competition search engine, and second, explore niche community platforms where local homeowners actively discuss and seek recommendations for home services. This data-driven strategy was designed to lower their blended CPA while increasing overall lead volume and stability.

Tapping into a New Audience with Microsoft Ads

Our first move was to launch campaigns on Microsoft Ads (Bing). We identified that the platform’s user base often skews slightly older and has higher disposable income, a perfect demographic for plumbing, heating, and high-value boiler installations. By porting over and adapting our successful Google campaigns, we immediately saw results. The lower competition on Microsoft Ads led to a 28% reduction in average CPCs compared to Google for similar high-intent keywords. This move alone allowed our client to capture a valuable segment of the market they were previously missing, adding a consistent new stream of high-quality leads at a lower cost.

Hyper-Targeting Local Homeowners on Niche Platforms

To push growth further, we explored creative, community-focused channels like Reddit. We launched targeted ad campaigns in local subreddits for the areas the company serves and in national communities like r/DIYUK. This allowed us to place their brand directly in front of homeowners actively discussing plumbing issues, boiler problems, or home renovation projects. While smaller in scale, this hyper-targeted approach generated some of the highest-intent leads, as we were engaging users at the exact moment of their need.

The Results: Lower Costs, More Leads, and Sustainable Growth

By strategically diversifying the client’s ad spend, we achieved significant results beyond what was possible on Google Ads alone.

  • Reduced Overall Ad Spend: While lead volume increased, the overall blended Cost Per Acquisition across all platforms was reduced by 18%.
  • Increased Lead Volume: The new channels contributed an additional 20-25% increase in total monthly leads, providing more opportunities for their growing team.
  • De-Risked Marketing: With leads now coming from multiple platforms, the company’s growth was no longer solely dependent on the volatile auction prices of Google Ads, creating a more stable and sustainable business.

Conclusion

This leading HVAC company’s story is a powerful testament to the importance of strategic diversification in paid advertising. While mastering Google Ads is a crucial first step, true, sustainable growth often lies in intelligently expanding to other channels where your customers are active but your competitors are not. For businesses feeling the pressure of rising ad costs, looking beyond Google isn’t just an option; it’s the next logical step in building a resilient, long-term lead generation engine.

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Charlotte Melki
Charlotte Melki

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