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BIZBITE

Commercial Air Filter Replacement Route

Scheduled HVAC filter swaps for buildings that forget until airflow suffers

Bottom line

Accessible entry point; validate local supply before buying.

Commercial air filter replacement routes service offices, retail centers, restaurants, schools, warehouses, clinics, and property portfolios with scheduled HVAC filter changes. The work is simple but operationally sticky: buildings need predictable filter inventory, ladder-safe access, service records, and fewer emergency HVAC calls.

58
Acquisition score
Strong

Avg Revenue

$475K

Profit Margin

24%

Acquisition Multiple

2x - 4.3x

Startup Cost

$18K - $90K

How It Works

Measure each customer's units, stock the right filter SKUs, and visit on a monthly, quarterly, or seasonal schedule. Technicians replace filters, label units, note access issues, and send proof-of-service reports to property managers or facilities teams.

Revenue Range

Low End
$140K
Typical
$475K
High End
$1.6M

BizBite underwriting snapshot

Pass for now

Commercial Air Filter Replacement Route has enough high-level data for a first look, but BizBite has not assigned a category-specific operating model yet. Treat the score as preliminary.

29
Avoid / 100
Data confidence
low
40/100
Financing fit
medium

Category-level fit before lender-specific diligence.

Confidence cap
58

Weak source data caps the final score.

Why it may work

  • No strong positives yet. More verified data needed.

Be careful

  • !Source link status has not been verified yet
  • !No last-checked date yet
  • !No SBA category enrichment yet
  • !No category operating model yet
  • !Low data confidence

Pros

  • +Simple recurring maintenance with easy technician training
  • +Low startup cost versus full HVAC contracting
  • +Property managers value documentation and fewer clogged-filter surprises
  • +Can upsell belts, coil cleaning referrals, IAQ products, and light maintenance

Cons

  • -Filter inventory complexity grows with customer count
  • -Route density and access planning drive profitability
  • -HVAC contractors and janitorial vendors may already touch the account

Best For

Route operators, light-facility-service buyers, and HVAC-adjacent teams that can execute scheduled low-complexity maintenance

Operating Costs

Costs include filters, route labor, vans, ladders, insurance, inventory carrying cost, disposal, software, and sales. July 2026 checks against facility-service and HVAC maintenance sources support recurring replacement as a preventive-maintenance wedge; revenue and margin are modeled below licensed HVAC contractors but above commodity janitorial because the service is scheduled, documented, and SKU-controlled.

SBA Financing Estimator

Adjust the deal — see if it cash flows after debt service

$-5247/mo
after debt service
Deal price — $1.4M
Range: $710K (2×) to $2.5M (4.3×+)
Down payment — 15% ($215K)
SBA minimum equity injection is 10% for change-of-ownership
Interest rate — 8.00%
Current prime-based SBA rates: 7.5–10.5%
Loan term — 10 years (120 mo)
Standard SBA 7(a): 10 years for business acquisition
Down payment
$215K
15% equity injection
Loan amount
$1.2M
85% SBA-financed
Monthly payment
$15K/mo
$554K total interest
Monthly profit
$10K/mo
at 24% margin
Monthly cash flow after debt service
$-5247/mo
Margin does not cover debt service at these terms. Lower the deal price, increase the down payment, or extend the loan term.

Estimates only. Excludes owner compensation, capex, working capital draws, and taxes. Margin assumes average occupancy and volume. Actual SBA terms vary by lender and borrower profile.

Where to Buy

BizBuySell

Search HVAC filter, facility maintenance, and recurring route service listings

ServiceTitan

HVAC margin context useful for benchmarking filter replacement against broader HVAC service work

Grainger

Commercial air filter SKU and replacement-product reference

58/100Strong

Acquisition Score

Profit margin
16/30
Entry multiple
21/25
Market depth
8/20
Risk (charge-off)
8/15
Deal momentum
5/10

Scores margin (30), entry multiple (25), SBA market depth (20), category risk (15), and deal momentum (10). Higher = better acquisition candidate.

Quick Facts

Category
route
Difficulty
2/5
Buy price
$950K$2.0M

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