Most buyers look at an HVAC company’s revenue and SDE and stop right there. They get excited about the multiple, run a quick debt service check, and start drafting the LOI. But SDE is a seller-side number. It is designed to make the business look as profitable as possible, and in our experience, real cash flow runs 15% to 50% below what the SDE figure suggests. That gap matters before you even get to fleet value.
Then the lender asks for the fleet schedule.
Fleet value is one of the most misunderstood line items in an HVAC acquisition. Get it wrong and you either overpay by six figures or kill a deal that could have been structured to work. And most buyers do not even think about it until they are already deep into diligence.
Why Fleet Value Matters More Than Most Buyers Realize
An HVAC business is not a software company. The assets walk out the door every morning on four wheels.
Fleet value matters for three distinct reasons in an acquisition context. It affects the total asset base the lender is collateralizing. It affects your equity injection calculation if you are financing equipment separately. And it affects what you are actually paying per dollar of real, adjusted cash flow.
A company with $600K in SDE (which, after the standard 15% to 50% discount for real cash flow, might mean $300K to $510K in actual owner earnings) and $800K in fleet value is a fundamentally different deal than a company with $600K in SDE and $150K in aging vans held together with zip ties. The fleet does not just support the business. In a lot of HVAC operations, it is the business.
How to Calculate HVAC Business Fleet Value
HVAC business fleet value is the aggregate fair market value of all vehicles and mobile equipment owned by the company at the time of sale. Service vans, trucks, trailers, specialty equipment mounted to or stored in those vehicles. All of it.
The number that matters for deal purposes is not book value. Not the depreciated figure sitting on the balance sheet. It is current fair market value based on what a willing buyer would pay for each unit today.
Here is a straightforward way to calculate it:
- Pull the full vehicle list from the seller’s fixed asset schedule.
- Get the year, make, model, mileage, and condition for each unit.
- Run each unit through NADA or a comparable commercial vehicle guide.
- Note the outstanding liens or financed balances on each vehicle.
- Calculate net fleet value: fair market value minus remaining debt on each unit.
That net number is what flows into your deal model. A fleet showing $400K on paper might net out to $180K after you account for three vans that are still 40 months into a 60-month note. On a $2M acquisition, that gap changes your effective DSCR materially.
Side note: this is also the stage where you should be pressure-testing the SDE itself. If the seller’s SDE includes aggressive add-backs or personal expenses run through the business, your fleet value calculation is sitting on top of an unreliable foundation. Proof of cash first. Fleet valuation second.
What SBA Lenders Look for in Fleet-Heavy Acquisitions
SBA 7(a) underwriters have seen enough HVAC deals to know that fleet condition is a credit risk, not just an asset question. When we work through a fleet-heavy acquisition, lenders typically want a few things clearly documented.
Age and condition of the fleet. A 10-van fleet with an average age of 8 years is a liability projection problem. Within 24 months of close, you may be replacing 3 to 4 units. At $40K to $60K per new service van, that is real money the business has to absorb or you have to plan for.
Whether vehicles are owned outright or under note. Financed vehicles carry a monthly debt obligation that reduces free cash flow. Lenders add those payments back into their DSCR model. A business showing $580K in SDE, which after proper discounting might actually deliver $400K to $490K in real cash flow, could lose another $60K once you net out fleet payments that did not show up in the seller’s add-backs. That is the kind of compounding haircut that kills what looked like a solid deal on paper.
Title clarity. Every vehicle in the fleet needs clean title. Lenders will not close on a deal where a service truck is still titled in the prior owner’s name or where a vehicle is under a personal guarantee from the seller that cannot be unwound. Three years of tax returns, clean titles, proof of cash. Minimum.
The fleet schedule should be one of the first documents you request, not something you get to in week four of diligence.
The Gap Between Book Value and Real Value
This is where most buyers get burned.
Sellers and their accountants present fleet value using the depreciated book figure from the tax return. For a business that has owned its fleet for 5 or more years, the book value might show $80K. The fair market value of those same trucks might be $280K. Older equipment depreciates fast on paper, but a well-maintained diesel van with 90K miles does not become worthless just because the IRS says it did.
The gap goes both directions, though.
Sometimes fleet value is overstated. A seller lists six vans on the asset schedule but two of them have not been on the road in 18 months. If those vehicles are clapped out and replacing them is not viable, they are worth $0 for deal purposes. You are inheriting a disposal problem, not an asset. We have seen this play out enough times that we now flag any unit sitting idle for more than six months as a zero in the deal model until someone proves otherwise.
Run independent vehicle inspections on any unit that represents more than $25K of fleet value or has more than 150K miles. The cost is $200 to $400 per inspection. One of the cheapest diligence line items you will spend money on.
How Fleet Value Affects Purchase Price and Deal Structure
Here is where the real negotiation happens.
In most HVAC acquisitions, the total purchase price is calculated as an enterprise value plus any real estate. Fleet is technically a component of the asset base being acquired. But sellers price HVAC companies on an SDE multiple, which means the fleet is implicitly bundled into a multiple that may not reflect what the fleet is actually worth. And remember, that SDE number itself is almost certainly inflated by 15% to 50% over actual cash flow.
Say you are looking at an HVAC company doing $500K in SDE, listed at 3x, so $1.5M total.
The seller claims $350K in fleet value. Your inspection comes back showing $210K in actual fair market value, with two vans that need replacement within the next 12 months at $45K each.
That is a $230K swing from what was implied in the listing. You now have a clear basis to renegotiate: either adjust the purchase price down, carve out a seller credit at close, or structure a deferred payment tied to fleet condition representations. Meet on price if you need to, but win on the terms and structural protections. That is where the real value of the negotiation lives.
SBA lenders will not ignore this either. If the appraiser flags fleet condition issues, the lender may require that certain vehicles be replaced pre-close as a condition of funding.
All of that matters, but here is the part that quietly kills more deals than fleet condition alone: working capital.
Working Capital and Fleet Replacement Planning
You cannot separate fleet strategy from working capital strategy. They are the same conversation.
If you close on an HVAC business and two vans need replacement within 12 months, that cash has to come from somewhere. If you did not build 2 to 6 months of working capital into your deal structure (and this is non-negotiable on any acquisition we advise on), you are going to be choosing between making debt service payments and keeping trucks on the road.
Working capital covers the operational gaps that every business has in the first 90 to 180 days post-close. Seasonality in HVAC compounds this. If you close in October and heating season revenue does not ramp until December, you need cash to bridge the gap, cover fleet maintenance, and keep technicians paid.
Factor working capital into the SBA loan structure from the beginning. Not as an afterthought. Not as a separate line of credit you will figure out later.
Seller Note Structuring Around Fleet Concerns
One tool we use when fleet condition creates uncertainty is tying a portion of the seller note to post-close fleet performance.
The standard structure we achieve on roughly 90% of our deals is a 10-year full standby seller note at 0% interest. But when there is a specific risk like a fleet that the seller has represented in a way that cannot be fully verified before close, it is reasonable to negotiate an earnout provision or a holdback tied to that representation.
This does not require a complicated legal structure. It requires a clearly written asset representation in the purchase agreement and a mutually agreed mechanism for how shortfalls get handled in the first 12 months.
Your M&A attorney drafts it. Your CPA confirms the tax treatment. But you need to surface the issue in the LOI before you get deep into diligence. Not after.
For more on how seller note structures work in SBA-financed deals, the mechanics are worth understanding before you draft your first offer.
What a Healthy HVAC Fleet Profile Looks Like
When we review HVAC deals, and we review 120 to 150 per week across all industries, we have a rough benchmark for what a fleet profile should look like relative to deal size.
For a $1M to $3M acquisition, a healthy fleet typically has:
- Average vehicle age under 6 years
- No single vehicle representing more than 20% of total fleet value
- Less than 10% of units with deferred maintenance issues
- All titles clear and in the company name
- Fleet replacement cost manageable within normal operating cash flow, roughly 8% to 12% of annual SDE per year
That last point matters more than it seems. If the business would need to spend more than $80K to $120K per year just to maintain its fleet, and it is only generating $600K in SDE (which, after proper discounting, might be $350K to $500K in real cash flow), you have a capital intensity problem that the multiple does not reflect. The math is the math.
Frequently Asked Questions
What is included in HVAC business fleet value?
HVAC business fleet value includes all vehicles and mobile equipment owned by the company: service vans, box trucks, flatbeds, trailers, and any specialty equipment permanently installed in or on those vehicles. The relevant figure for deal purposes is fair market value, not depreciated book value. Outstanding liens reduce the net fleet value that flows into your acquisition model.
How does fleet condition affect SBA 7(a) loan approval for an HVAC acquisition?
SBA lenders evaluate fleet condition as both a collateral and a cash flow risk. A fleet with deferred maintenance or near-term replacement needs can reduce projected free cash flow, lowering your effective DSCR. Lenders may require an independent appraisal per SBA SOP guidelines and, in some cases, pre-close replacement of units that materially affect operational capacity.
Should fleet value change what I offer for an HVAC company?
Yes, when the fleet value represented in the listing diverges materially from what your inspection uncovers. If the seller priced on an SDE multiple that implicitly includes a $350K fleet but the real number is $200K, that gap supports a price adjustment. Document your findings and bring specifics to the negotiation, not vague concerns about vehicle age.
Can I finance fleet replacement through the same SBA 7(a) loan used to buy the business?
SBA 7(a) loans can include working capital and some equipment costs within the same loan, but there are limits. If fleet replacement is a known and quantifiable need at time of purchase, discuss with your lender whether that cost can be rolled into the original loan structure. Doing it post-close as a separate SBA loan is also an option, but it creates a second debt obligation that affects your DSCR.
What is a reasonable fleet-to-SDE ratio for an HVAC acquisition?
There is no universal standard, but a useful benchmark is that fleet fair market value should fall between 30% and 80% of annual SDE for a typical residential or light commercial HVAC operation. Below 30% may indicate an undercapitalized operation with deferred replacement. Above 80% raises capital intensity concerns that the purchase price multiple probably does not reflect.
Thinking About Buying an HVAC Business?
Fleet value is one of a dozen variables that can make or break an HVAC acquisition. The businesses that look great at first pass often have asset or structure issues that take months to surface without the right process.
Regalis Capital is a done-for-you acquisition advisory firm. We review 120 to 150 deals per week, run the deal models, negotiate structure, and manage the SBA process from LOI to close.
If you are serious about acquiring an HVAC company and want a team that has run this process before, start here.