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Don&#8217;t get screwed.</text><text x="58" y="258" font-family="Arial,Helvetica,sans-serif" font-size="30" font-weight="600" fill="#6b5b4d">Leases, TI, NNN &amp; buildouts — negotiated in your favor</text><g transform="translate(1010,86)" fill="none" stroke="#C0531F" stroke-width="9" stroke-linejoin="round"><rect x="20" y="40" width="150" height="130"/><line x1="20" y1="40" x2="95" y2="6"/><line x1="170" y1="40" x2="95" y2="6"/><rect x="50" y="80" width="36" height="36"/><rect x="104" y="80" width="36" height="36"/><rect x="74" y="128" width="42" height="42"/></g></svg>

How Do I Get the Landlord to Pay for the HVAC or Roof?

Direct Answer

HVAC and roof are capital items, not operating expenses — and the money move is to write your lease so they stay the landlord's responsibility, because replacing a rooftop unit can run $15,000–$50,000 per unit and a commercial roof replacement runs $5–$15 per square foot (a $200,000–$600,000 hit on a 40,000 sq ft building).

The way landlords screw tenants is by burying these under a NNN "repair and maintenance" clause that quietly makes you pay to *replace* systems you only agreed to *maintain*. Kill that by inserting a capital-expense carve-out: you cover routine maintenance and minor repairs (a fair cap is $1,000–$2,500 per occurrence), and the landlord owns any replacement or capital repair of roof, structure, foundation, and HVAC.

The next move is the HVAC warranty and condition clause — require the landlord to deliver HVAC in good working order, warrant it for the first 12 months, and cap your annual HVAC repair exposure (commonly at $500–$1,500 per ton or per unit). For the roof, demand a landlord roof warranty and that any replacement during your term is 100% the landlord's capital cost, never amortized into your rent or CAM.

If the landlord insists on amortizing a capital replacement, force two concessions: amortize it over the useful life of the asset (a roof is 20–30 years, an HVAC unit 15–20 years) at a reasonable interest rate, and make sure you only pay for the months you actually occupy.

Bottom line: never let a landlord turn a six-figure capital replacement into your problem under the guise of "maintenance."

Capital Vs. Operating — The Distinction That Saves Six Figures

Every dollar of building cost falls into one of two buckets, and which bucket wins you or costs you a fortune:

• Operating expense — recurring costs to *run* the building: routine maintenance, filter changes, minor repairs, cleaning. These flow through to tenants under NNN, and that's normal.
• Capital expense — costs to *replace* or substantially extend the life of a major system: a new roof, a new rooftop HVAC unit, structural repairs, parking-lot replacement. These belong to the owner, because the owner keeps the improved asset long after you're gone.

The landlord's favorite trick is blurring the line so a $40,000 HVAC replacement gets billed to you as "repair and maintenance." Your lease must explicitly define the boundary and assign capital items to the landlord. The cleanest language: tenant responsible for "ordinary maintenance and repair," landlord responsible for "all replacements and capital expenditures, including roof, structure, foundation, and HVAC system replacement."

The Clauses That Put HVAC On The Landlord

• Good-working-order delivery. Require the landlord to deliver all HVAC, plumbing, and electrical in good working condition on day one, verified by an independent inspection.
• HVAC warranty period. The landlord warrants HVAC for the first 6–12 months, covering any failure not caused by your misuse.
• Repair cap per occurrence and per year. Cap your HVAC repair exposure — common caps are $1,000–$2,500 per occurrence and an annual ceiling of $500–$1,500 per ton/unit. Above the cap is the landlord's.
• Replacement = landlord capital. Any HVAC *replacement* (not repair) is 100% the landlord's cost, not amortized to you.
• Maintenance-contract control. If the landlord requires a service contract, let you choose a qualified vendor rather than an overpriced affiliate.

The Clauses That Put The Roof On The Landlord

The roof is the single biggest capital risk in a building, and it's almost always the landlord's job — but only if your lease says so:

• Landlord roof warranty. The landlord warrants the roof watertight and structurally sound, and covers all repairs and replacement during your term.
• No roof capital in CAM. Explicitly exclude roof *replacement* from common area maintenance pass-throughs. Routine roof maintenance can pass through; replacement cannot.
• Pre-lease roof inspection. Get an independent roof inspection before signing; a roof near end-of-life is a negotiating chip for free rent or a lower base.
• Penetration and warranty protection. If your buildout penetrates the roof (new HVAC, vents, signage), use the landlord's approved roofer so the existing manufacturer warranty stays intact — protecting *both* sides.
• Leak-response remedy. Negotiate a self-help right: if the landlord fails to fix a roof leak within a set time, you can repair and deduct from rent.

When The Landlord Won't Fully Budge

Sometimes the landlord insists on amortizing a capital replacement back to tenants — common on multi-tenant NNN properties. Don't accept it blind; force these guardrails:

• Amortize over true useful life. A roof amortizes over 20–30 years, an HVAC unit over 15–20 years, not over your lease term. Amortizing a 25-year roof over a 5-year lease is a screw job.
• Reasonable interest rate. The amortization carries a reasonable rate tied to the landlord's actual cost of funds, not an inflated markup.
• Pay only while you occupy. Your share covers only the months you're actually in the space — no obligation for the asset's life beyond your term.
• Cap your annual capital pass-through so a single bad year doesn't blow up your budget.
• Energy-efficiency offset. If a new HVAC system cuts utility costs, your operating-expense savings should at least partly offset the amortized capital charge.

A Quick Capital-Cost Checklist

1. Define capital vs. Operating explicitly in the lease.
2. Assign roof, structure, foundation, and HVAC replacement to the landlord as capital.
3. Require good-working-order delivery plus a 6–12 month HVAC warranty.
4. Cap your repair exposure per occurrence and per year.
5. Exclude capital replacement from CAM pass-throughs.
6. Get a pre-lease roof and HVAC inspection.
7. If amortized, force useful-life amortization at a reasonable rate, paid only while you occupy.
8. Add a self-help repair-and-deduct remedy for landlord non-response.

FAQ

Is the landlord or tenant responsible for HVAC in a commercial lease? It depends entirely on the lease language, which is why you negotiate it. The fair split: the tenant handles routine maintenance and minor repairs (capped at $1,000–$2,500 per occurrence), while the landlord owns any replacement, since a rooftop unit costs $15,000–$50,000 to replace and the owner keeps the improved asset after you leave.

Require good-working-order delivery and a 6–12 month warranty.

Who pays for a roof replacement on a NNN lease? Roof replacement is a capital expense that belongs to the landlord, even under triple-net. Routine roof maintenance can pass through to tenants, but full replacement — running $5–$15 per square foot, or $200,000–$600,000 on a 40,000 sq ft building — should be excluded from CAM.

If the landlord amortizes it, force amortization over the roof's 20–30 year useful life, not your lease term.

What is a capital-expense carve-out? It's lease language that separates capital items (roof, structure, foundation, HVAC replacement) from operating expenses and assigns the capital items to the landlord. Without it, a NNN "repair and maintenance" clause can quietly stick you with six-figure replacements you only agreed to maintain.

It's the most important protection in the whole expense section.

Can a landlord pass a new HVAC unit cost through to me? Sometimes, on multi-tenant NNN properties — but never accept it without guardrails. Require amortization over the unit's 15–20 year useful life at a reasonable interest rate, payment only for the months you actually occupy, an annual cap on capital pass-throughs, and an offset for any utility savings the efficient new system delivers.

What's a self-help repair clause and why do I want one? It lets you fix an urgent problem — a roof leak, a failed HVAC system — and deduct the cost from rent if the landlord fails to act within a set time. It's your enforcement mechanism: without it, a landlord can stall on a capital repair while your business suffers.

Pair it with good-working-order delivery and warranty language for full protection.

Sources

• CBRE — Operating expense, CAM, and capital expenditure benchmarking reports.
• JLL — Lease administration and building systems cost research.
• Cushman & Wakefield — Occupier lease structuring and NNN expense advisory.
• BOMA International — Operating expense, capital, and building systems standards.
• IREM (Institute of Real Estate Management) — Capital vs. Operating expense and CAM guidance.
• RSMeans (Gordian) — Commercial HVAC and roofing replacement unit cost data.
• Tenant-rep brokerage practice guides on negotiating capital-expense carve-outs.