Windows & Doors Lead Generation ROI Calculator | LeadFlowGod
Stop guessing if your lead generation is profitable — know the exact ROI on every marketing dollar spent.
Windows and door installation contractors often spend thousands monthly on leads without knowing their true profitability. With average jobs ranging from $800 to $40,000+, understanding your cost per customer versus lifetime value is critical. This calculator reveals your real ROI, identifies profit leaks, and shows exactly how to optimize your lead generation for maximum profitability.
Enter your current lead generation metrics including monthly ad spend, leads generated, close rate, and average job value. The calculator will reveal your true cost per customer, ROI, and provide specific recommendations for improvement based on windows and doors industry benchmarks.
Your Numbers
Total monthly spend on all lead generation including Google Ads, Facebook, lead services, and SEO
Total qualified leads received per month from all sources
Percentage of leads that convert to paying customers
Average dollar amount per completed project
Net profit margin after all job costs (materials, labor, overhead)
How quickly you typically respond to new leads
Adjust for seasonal variations in lead quality and volume
Percentage of customers who refer new business within 12 months
Cost Per Lead
$0
Outstanding CPL for windows and doors. You're 37% below industry average. Consider increasing ad spend to capture more market share while maintaining this efficiency.
Cost Per Customer
$0
Outstanding acquisition cost at just 1.5% of average job value. You have significant room to increase marketing spend for growth.
Marketing ROI
0.0%
Losing money on marketing. Stop all ad spend immediately. Focus on referrals and improving close rates through faster response times and better sales training.
Response-Adjusted Close Rate
0.0%
Close rate is critically low. Implement 5-minute response system and improve your sales process. Consider sales training or hiring experienced closers.
Total Monthly Profit (Including Referrals)
$0
Marketing is unprofitable. Reduce ad spend to break-even levels while optimizing response times and close rates.
How You Compare
Cost Per Lead
Cost Per Customer
Marketing ROI
Source: Based on analysis of 847 windows and doors contractors using LeadFlowGod lead management system, with data from HomeAdvisor, Angie's List, and Google Ads performance across 24 markets (2024-2025 data)
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The biggest factor in your ROI is response time. LeadFlowGod's automated lead routing and instant SMS/email responses can improve your close rate by 40-80% by ensuring every lead gets contacted within 60 seconds. Plus, our built-in CRM tracks the exact metrics this calculator measures, so you can optimize continuously.
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Methodology & Assumptions
This calculator uses a sophisticated model that accounts for response time decay effects (leads contacted after 1 hour close at 50% the rate of immediate responses), seasonal demand fluctuations specific to windows and doors, and referral value multiplier effects. It calculates true ROI by factoring in both immediate profit and downstream referral value.
Assumptions:
- Response times significantly impact close rates based on documented lead decay studies
- Seasonal factors affect both lead volume and quality in windows/doors market
- Referral customers generate 50% of the profit of direct customers due to lower acquisition costs
- Profit margins include all direct costs but may not account for owner salary allocation
Limitations:
- Does not account for lifetime customer value beyond first referral cycle
- Assumes consistent lead quality across all marketing channels
- Seasonal adjustments are industry averages and may vary by geographic region
How the Calculation Works
Calculates true lead generation ROI by factoring in response time impact on close rates, seasonal adjustments, cost per customer, and referral value to determine total profitability
monthlyAdSpend = Total monthly marketing investment
monthlyLeads = Number of qualified leads generated
closeRate = Base close rate percentage
avgJobValue = Average revenue per completed job
profitMargin = Net profit margin after all costs
responseTime = Lead response time affecting conversion
seasonalFactor = Seasonal demand adjustment
referralRate = Customer referral generation rate
Frequently Asked Questions
Why does response time affect my ROI so dramatically in windows and doors?
My close rate seems low compared to the benchmarks - what's realistic for windows and doors?
How should I factor in seasonal variations for my marketing budget?
The referral rate seems high at 18% - is this realistic for windows and doors?
Should I count leads from all sources in this calculator?
Ready to put these numbers into action?
The biggest factor in your ROI is response time. LeadFlowGod's automated lead routing and instant SMS/email responses can improve your close rate by 40-80% by ensuring every lead gets contacted within 60 seconds. Plus, our built-in CRM tracks the exact metrics this calculator measures, so you can optimize continuously.
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