Home services and trades
HVAC business valuation multiples in 2026: SDE vs EBITDA
By SourceX Editorial · Reviewed by Noah Loul ·
Short answer
HVAC business valuation multiples are applied to SDE for smaller owner-operated companies and to EBITDA for larger ones with a management team in place. Published ranges disagree because they mix company sizes, deal types and adjustment methods, so no single range fits your business. Buyers set the multiple after verifying recurring revenue, mix, retention and records.
Key takeaways
- SDE adds back the owner's full pay; EBITDA replaces it with the cost of a manager.
- A company that depends on its owner for sales and pricing is usually valued on SDE, whatever its size.
- Published multiples conflict because they describe different deal sizes, buyer types and adjustment rules.
- Every value driver in a sale becomes a request for an export from your field service and accounting systems.
- Any data license already signed should be disclosed early, with its term, exclusivity and obligations.
SDE or EBITDA: which applies to an HVAC business?#
The earnings measure that applies to an HVAC business depends mostly on whether the company runs without its owner. Seller's discretionary earnings, or SDE, is the usual basis for smaller owner-operated companies sold to individuals or local buyers. EBITDA is the usual basis for larger companies with a general manager, service manager and sales leadership, which draw private equity platforms and strategic acquirers.
The crossover is not a fixed revenue line. A company that still relies on the owner for selling replacements, setting prices and holding key commercial relationships is usually valued on SDE until it can show the business operates without that person.
This is general information, not valuation, tax or accounting advice. Work with a qualified advisor and your accountant on any figure you plan to rely on.
How SDE and EBITDA are calculated#
SDE and EBITDA both start from net income, but SDE adds back the owner's full compensation while EBITDA replaces it with the market cost of a manager to do the owner's job.
Adjustments are where valuations split apart. A buyer accepts an add-back only when records support it: payroll for the owner's pay, receipts for personal expenses, and invoices for a genuinely one-time cost such as a legal matter or a software migration.
| Item | SDE | EBITDA |
|---|---|---|
| Starting point | Net income | Net income |
| Interest, taxes, depreciation and amortization | Added back | Added back |
| Owner's salary and benefits | Added back in full for one working owner | Replaced with a market-rate salary for the role |
| Owner perks run through the business | Added back if documented | Added back if documented |
| One-time expenses | Added back with evidence | Added back with evidence and tested in diligence |
| Typical buyer | Owner-operator or local acquirer | Private equity platform, add-on buyer or strategic acquirer |
Why do published HVAC multiples disagree?#
Published HVAC multiples disagree because each source measures a different set of deals in a different way. Broker listings, closed small-business sales, private equity transactions and advisor surveys describe different markets, and many pages that rank for this question are written by firms that sell valuation or sale advice.
Treat any single published range as the start of a conversation, which is why this page quotes none. Ask an advisor for comparable closed transactions with similar size, revenue mix and geography, and for the adjustment method behind each one.
- Size: companies with management teams are priced differently from owner-run shops.
- Revenue mix: replacement, repair service, maintenance agreements and new construction are valued differently.
- Deal type: platform acquisitions and add-ons are priced differently from purchases by individuals.
- Definitions: one source's adjusted EBITDA may include add-backs another source rejects.
- Timing: interest rates and buyer appetite change from year to year.
- Selection: published figures often reflect asking prices or a small number of reported deals.
Which value drivers do buyers verify from records?#
Buyers verify value drivers from operating records, not from the owner's description. Each claim in a teaser or management presentation turns into a request for an export from the field service platform, the accounting system or payroll.
Where records cannot support a claim, buyers tend to discount it or move it into deal terms such as an earnout or holdback. That makes record quality a pricing issue, not an administrative one.
| Value driver | Record that proves it | What the buyer checks |
|---|---|---|
| Recurring maintenance agreements | Membership roster, renewal history, completed visits | Whether members renew and visits actually happen |
| Revenue mix | Invoices by job type and business unit | Reliance on new construction or one large account |
| Customer base | Customer and location records, commercial contracts | Repeat customers and concentration in top accounts |
| Installed equipment base | Equipment records with install dates by location | Replacement opportunities already in the customer base |
| Technician bench | Payroll, certifications, tenure | Key-person risk and the cost of replacing technicians |
| Service quality | Callback jobs linked to original visits, reviews | Rework and warranty exposure |
| Pricing discipline | Price book history and discounts on invoices | Whether margins depend on undocumented discounting |
Does documented, exportable data change what a buyer pays?#
Documented, exportable data mainly changes how confidently a buyer can verify the value drivers, which affects perceived risk, deal terms and the length of diligence. Clean exports that tie customers, locations, equipment, jobs and invoices together answer questions that otherwise turn into holdbacks or price adjustments.
Data can also become a separate line of revenue. Some operating companies license prepared copies of job histories to AI developers while keeping ownership. A buyer will judge that revenue on its own terms, asking for the license agreements, any exclusivity, the term and continuing obligations, and whether the revenue is likely to repeat.
Do not assume licensing revenue earns the same multiple as service revenue. A buyer may treat a one-time license fee as non-recurring and leave it out of adjusted earnings, while valuing a renewable license differently. Disclose any license early in a sale process so advisors can present it accurately.
Illustrative: an owner prepares the numbers before calling a broker#
Illustrative: a fictional HVAC owner with a residential service and replacement business, a membership program and many years on the same field service platform wants to know what the company is worth. Online calculators give very different answers.
The controller rebuilds adjusted earnings from the general ledger and documents every add-back. The service manager exports membership history, callback jobs and the equipment base by location. Gaps appear: memberships sold before a system change lack visit history, and some owner perks have no receipts.
The owner drops the undocumented add-backs, reconstructs membership history from the older system's export and assembles a data room index before engaging advisors. The earnings figure is lower than the calculators suggested, but it is defensible, and diligence holds fewer surprises.
Steps before you ask anyone for a valuation#
Before asking for a valuation, assemble the evidence a buyer will request, so the first number you hear rests on verified figures rather than estimates.
- Rebuild adjusted earnings and list each add-back with its supporting document.
- Export memberships, renewals and visit history with location and equipment IDs.
- Run revenue by job type, business unit and top customers for several years.
- Export callback and warranty jobs linked to the original visits.
- Gather technician certifications and tenure without personal details.
- List every software contract and confirm you can export full history.
- Document any data license already signed, with its term and exclusivity.
Where SourceX fits#
SourceX does not value businesses. It helps companies license operational records to AI developers through the SourceX five-step transaction, and the SourceX Enterprise Data Value Framework explains what makes job histories, equipment records and service notes valuable as data.
For an owner planning a sale, the overlap is preparation. An inventory of systems, years of history and record families, plus a clear rights review, serves a data room and a licensing decision equally well.
Frequently asked questions
Can I trust an online HVAC valuation calculator?
Use one only as a rough starting point. Calculators apply a generic multiple to the figures you enter and cannot see your add-backs, revenue mix, management depth or records. Two calculators fed the same numbers can disagree because they rely on different published ranges.
Do private equity buyers ever use SDE?
Rarely as the main basis. Private equity platforms and add-on buyers usually model EBITDA because they plan to install or keep managers. A smaller company may be discussed in SDE terms early, then converted to EBITDA once a manager's salary replaces the owner's.
Do maintenance agreements raise value?
Buyers generally value recurring agreements because they bring repeat visits and replacement opportunities, but only when records prove renewals and completed visits. A large roster with no visit history can count for less than a smaller, well-documented one.
Will a data license complicate a sale?
It can if it is undisclosed or carries open-ended obligations. A time-limited, well-documented license with clear permitted use is easier for a buyer to review. Share any license with your advisors early so it is presented properly.
What records does a buyer usually ask for first?
Expect requests for financial statements and tax returns, revenue by job type and customer, the membership roster with renewal and visit history, technician headcount and tenure, and key commercial contracts. Some buyers ask for direct exports from the field service platform rather than summary reports, so test those exports early.
Which add-backs are most often challenged?
Add-backs without documentation, recurring costs labeled as one-time, family members on payroll without clear roles, and owner pay adjustments that understate the cost of replacing the owner. Supporting each one with records reduces disputes.
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- SolutionProprietary data: information only your company has
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