A solar rep we audited in April had spent six years knocking doors. In 2022, he closed 1 in 14. This spring, same neighborhoods, same script, he closed 1 in 51.
Nothing about the rep got worse. The math under his feet changed. The 30% federal residential solar credit expired at the end of 2025. The homeowner who used to hear "you get 30% back from the government" now hears nothing of the sort — because it's no longer true. Every door he knocks is a harder sale than it was 18 months ago.
If your sales floor is still built on cold door routes in 2026, you're not running a sales team. You're paying people to absorb rejection from a market that got 30% more expensive overnight.
This isn't a "canvassing is dead" argument. It's a cost-per-install argument. After the tax credit, the cheapest way to close a solar deal stopped being the door.
What the Expired Tax Credit Did to the Solar Sale
The Residential Clean Energy Credit gave homeowners 30% of their system cost back on their taxes. For a $25,000 install, that's $7,500. For six years, that number did half the closing for every solar rep in the country.
It expired for systems placed in service after December 31, 2025. Here's what that broke on the doorstep:
1. The price objection got 30% heavier. The same panels now cost the homeowner thousands more out of pocket, because the government is no longer chipping in on their personal return. The rep who used to say "after the credit, your payback is 7 years" now has to sell a longer payback with a straight face.
2. The urgency disappeared. "Lock it in before the credit ends" was the single best close in solar for two years. That line is now worthless. Reps who leaned on it are standing on a porch with nothing.
3. The homeowner got more cautious, not less. A bigger out-of-pocket number means more research, more quotes, more "let me think about it." The buyer who's spending more of their own money does more homework. They're not deciding on a doorstep anymore. They're deciding on their phone at 9pm.
31% of installers cite customer acquisition as their #1 barrier to growth in 2026. Not panel cost. Not interconnect delays. Getting in front of a buyer who will actually sign.
The Real Cost-Per-Install Comparison
Here's where most owners fool themselves. Door-knocking feels free because there's no ad invoice. But a canvasser costs you wages, a vehicle, gas, a manager, and the 40 slammed doors for every 1 that opens. Run it fully loaded and the truth shows up.
| Cost line | Door program (fully loaded) | Paid ads + qualified funnel | |---|---|---| | Cost per conversation | $40-$90 (wages, mileage, no-answers) | $25-$65 per qualified lead | | Lead-to-appointment | 8-15% from cold knocks | 35-45% with pre-qualification | | Appointment-to-sit | 50-60% (cold, no confirm) | 80%+ with double confirmation | | Sit-to-close | 15-25% (cold pre-frame) | 20-30% (warm pre-frame) | | Fully-loaded cost per closed install | $2,000-$3,500 | $800-$1,200 blended |
Walk the paid-ads column: $40 per qualified lead ÷ 0.40 lead-to-appointment = $100 per appointment. $100 ÷ 0.80 sit rate = $125 per sit. $125 ÷ 0.25 close rate = $500 per closed install on the digital side alone, before you blend in the canvassing on warmed streets.
Most door programs we audit close at $2,000-$3,500 fully loaded. The companies winning in 2026 blend the two and average around $800-$1,200. After the tax credit raised the price of the product, that gap is the difference between a profitable install and a break-even one.
Why Paid Ads Win the Post-Credit Buyer
Paid ads don't replace your reps. They filter the market so your reps stop spending their day in front of people who were never going to sign.
1. Ads find the buyer who's already doing the math. The cautious 2026 homeowner is on their phone comparing quotes, not standing in the yard. The only way your floor sees them is if an ad got in front of them first.
2. The objections get answered before the appointment. A cold knock walks in with every fear intact. An ad lead has read your hook, seen a real install, and watched a 60-second answer to "what about the credit being gone." They book the slot already half-sold.
3. Volume becomes a number you can budget. A door week swings wildly on weather and morale. A paid program produces a daily appointment count. If you need 12 sits next Tuesday, you know the spend. You can't budget a knock.
4. You stop fighting Sunrun on the doorstep. The big installers aren't knocking — they're spending eight figures a year on screens. When your rep knocks, the homeowner has already seen 30 national ads this month. Show up where the fight actually happens.
5. Canvassing gets better, not cut. Use ad data to spot zip codes where form-fill and click rates are climbing, then send the canvasser to those streets. Now the knock is a follow-up on a warm neighborhood, not a cold open. That's the blend that hits $800-$1,200.
We run this exact shape for solar partners. It's the same system that took a med spa in Nice from €316 in ad spend to 77 leads and 36 booked appointments in 15 days — different industry, same machine: qualify on the ad, confirm twice, respond in under five minutes.
If your solar campaign is still a "free quote" form with no qualification, you're paying for names, not buyers. Book a free audit and we'll show you which fields are leaking your budget.
What "Solar Ads" Actually Means in 2026
Most owners hear "ads" and picture a 2019 Facebook lead form spitting out 200 junk leads at $4 each. That playbook is dead. The version that works post-credit is a pre-qualified funnel:
- Geo-targeted by utility rate, not just zip code. High utility bill = the only buyer for whom the math still works without the credit. Exclude the rest.
- A filter question on the ad itself. "Is your average summer bill over $200?" stops tire-kickers before they cost you a form fill.
- Address, roof, and bill on the form. A lead without those three is a name. We don't pay for names.
- Speed-to-lead under five minutes. The MIT 391% rule still holds — sub-minute response triples conversion.
- Two-step appointment confirmation. Booked is not confirmed. Confirm 24 hours out, then 2 hours out, the same way we run med spa booking flows. Show-up climbs from 55% to 80%+.
What This Doesn't Fix
Ads won't save a company that can't install. We've turned down solar prospects with 14-week backlogs — pouring leads on an operational mess just buys you bad reviews and "we found someone faster" losses.
Ads also won't save a broken offer. If the only pitch you have post-credit is "20-year loan, marginal monthly savings," no creative pulls that across the line. Your offer matters more than your ad. Product, then Client, then Offer, then Acquisition — in that order. You can't fix acquisition on top of an offer the tax credit used to carry.
30-Second Audit: Is Your Solar Floor Built for the Post-Credit Market?
Three honest yes/no questions:
- Do you have a paid pipeline feeding reps booked appointments, or is the team still building their day off cold door routes?
- Has your pitch changed since the residential credit expired, or are reps still selling a payback math that no longer includes 30% back?
- Is your fully-loaded cost per closed install under $1,500 — or are you hiding payroll and mileage and calling door-knocking "free"?
If any answer was no, book a free audit — we'll pull your numbers and tell you exactly what's broken, even if you never work with us.
The credit's gone. The product got more expensive. The companies still growing aren't knocking harder. They're knocking on warm doors a screen already opened.