Google Ads B2B Lead Generation for HVAC Company
Engineering Company is a company specializing in the supply, design, and maintenance of HVAC and ventilation systems.
Before working with us, the client had been managing advertising campaigns independently. Over time, it became clear that running ads required more time and expertise. Results were inconsistent, and eventually leads stopped coming in altogether.
The client approached us to build a stable channel for attracting B2B customers.
Our objectives included
Process
Main Challenges
At the start, the campaigns were attracting the wrong audience. The main issue was mixed traffic: along with qualified business prospects, private individuals were submitting inquiries that did not fit the client’s budget or needs. There were also several additional factors directly affecting performance:
Mixed Keyword Targeting
Many of the search terms were too broad and brought in irrelevant traffic. We needed to separate B2B intent searches from retail buyers.
Complex Product Offering
This was not a simple product sale, but project-based sales. That meant a long sales cycle and a high cost of poor-quality traffic. The focus needed to be not on lead volume, but on lead quality and precise audience targeting.
No Call Tracking
Some leads could not be tracked, so decisions had to be made using incomplete data.
Advertising Strategy
Despite the project’s specific challenges, this was a standard working situation for our team. We started by building a clear and manageable advertising system where every element worked toward attracting qualified business clients.
Focused on the B2B Audience
We completely rebuilt the keyword structure. Broad and retail-related queries were removed, and we added high-intent commercial phrases such as design, supply, and installation for businesses.
Precise Negative Keywords
We excluded all searches related to private customers. This immediately reduced the number of irrelevant inquiries.
Rebuilt Campaign Structure
We separated campaigns by service category (design, installation, maintenance) to better control budgets and understand what was generating leads.
Optimized Geographic Targeting
We focused on regions with potential large-scale business customers.
Improved Ad Copy
We tailored messaging to the B2B segment: highlighted specific services, added clear offers, and stronger calls to action.
Analytics Setup
We connected analytics systems and implemented basic lead tracking to understand which campaigns were performing best.
Campaign Optimization
From the beginning, the campaigns delivered strong results — the cost per lead was low considering the value of the client’s services. However, we did not stop there and continued optimizing to increase lead volume and reduce costs even further.
Our team continuously improved performance by:
• refining search terms and expanding negative keywords
• redistributing budgets toward higher-performing campaigns
• testing new keyword opportunities
• improving ad copy
Over time, the system continued learning, and results improved even more.
Result
In the end, we not only stabilized the advertising campaigns but also improved their efficiency: we increased the number of leads by 1.5x, reduced cost per lead, eliminated most irrelevant inquiries, and built a clear, manageable advertising system.
Considering the value of the client’s services, the lead cost became very low, making advertising a truly profitable acquisition channel. Below is how the key metrics changed during the working period.
Final Thoughts
This project shows that in B2B advertising, traffic quality matters far more than traffic volume. Even if campaigns have been launched before, without the right structure, keyword strategy, and audience filtering, they will attract the wrong clients.
After rebuilding the campaigns and focusing on the right audience, advertising began generating a stable flow of leads and became a full-scale business growth tool.
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