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Commercial HVAC Service Contracts — Compare the Right Coverage Tier for Your Building
Not every building needs the same HVAC service agreement. A single-tenant retail box with two rooftop units has very different coverage needs than a multi-floor office with a chiller plant and a BAS. Com+ Mechanical offers tiered preventive maintenance contracts — from a straightforward inspection plan to full labor-and-parts coverage — so you buy exactly the protection your equipment, budget and risk tolerance call for. Below is a plain comparison of what each tier actually covers, how response priority differs, and where the cost lines fall. Serving property managers and building owners across the five boroughs and surrounding metro.
What Buyers Get Wrong When Comparing HVAC Service Contracts
Comparing contracts on annual price alone
The cheapest agreement is almost always inspection-only, with every repair billed on time-and-materials. A low contract number can hide a far larger year-end spend once break-fix labor and parts are added. Compare coverage scope and total expected cost, not just the line item.
A vague scope that says 'maintain the HVAC system'
Without a tagged equipment schedule, it's unclear which units are actually covered. Rooftop units may be in, the chiller or controls quietly out. Insist on an asset list so the contract states exactly what gets serviced and what doesn't.
Assuming preventive coverage includes repairs
Many property teams sign a PM agreement expecting repairs are covered, then receive a separate invoice when a contactor or belt fails. Confirm whether corrective labor and parts are in-scope or T&M before signing — that single distinction is the biggest cost driver between tiers.
No defined response time or priority
A contract that promises '24/7 emergency service' without stating a target response window or that agreement calls are prioritized over non-contract work gives you no real uptime guarantee. The priority commitment should be written into the tier.
Refrigerant, controls and central plant carved out of scope
Refrigerant by the pound, BAS reprogramming, and major chiller or boiler components are commonly excluded even from 'full' plans. Read the exclusions: the gaps between tiers usually live in refrigerant, controls and capital components, not the filter changes.
Auto-renew and escalation terms left unread
Contracts that auto-renew with an undefined price escalation can erode budget predictability. Confirm the term length, renewal notice, and any annual escalation cap so the agreement stays comparable year over year.
How Commercial HVAC Service Contracts Are Tiered — and Which Fits Your Building
A commercial HVAC service contract is not one product — it's a coverage level, and the difference between tiers is what determines your real annual exposure when equipment fails. At the entry level, an inspection (or "preventive maintenance only") agreement buys scheduled visits, filter and belt service, and documented condition reports, while any repair labor and parts are billed separately on time-and-materials. A full-coverage preventive tier adds the labor for routine corrective work and consumables into the agreement, so most in-scope fixes during a visit don't generate a separate invoice. A full-service or labor-and-parts-inclusive tier rolls covered repair labor, defined parts, and emergency call-out labor into a predictable contract price — the closest thing to a fixed mechanical budget for the year. Com+ Mechanical scopes every tier to your actual equipment list (rooftop units, chillers, boilers, air handlers, VRF and controls), spells out exactly what is covered versus excluded, and defines the response-time priority each tier earns. The point of this page is comparison: read across the tiers, see where coverage starts and stops, and pick the agreement that matches how critical uptime is to your tenants — not a one-size template. We'll confirm the right fit after a building assessment, then put the scope in writing.
What Every Com+ Service Contract Tier Includes (Before Add-Ons)
Why Building Owners Put HVAC on a Tiered Service Contract
Our Simple Process
From call to comfort in 4 easy steps
Building assessment & asset inventory
We walk the roof, mechanical rooms and tenant spaces, inventory every HVAC unit by make, age and condition, and document access requirements — the foundation for any contract scope.
Risk & criticality review
We identify which systems are mission-critical to tenants and which are not, so coverage can be tiered by consequence of failure rather than applied uniformly across every unit.
Tiered proposal & side-by-side comparison
You receive written tier options — inspection, full-coverage preventive, and labor-and-parts-inclusive — with a clear covered-versus-excluded matrix and the response priority each tier earns, so the trade-offs are explicit.
Agreement, scheduling & onboarding
Once you select a tier, we finalize the equipment schedule and visit calendar, handle COI and access onboarding, and begin documented service — with the contract terms, exclusions and priority spelled out before the first visit.
Types of Systems We Install
Inspection / Preventive-Only Agreement
The entry coverage tier: scheduled preventive maintenance and documentation, with repairs handled on time-and-materials. Best for non-critical spaces or owners who self-manage repair budgets.
- •Lowest annual contract cost
- •Scheduled PM tasks and documented reports
- •Repairs and parts billed as incurred
- •Easy to scale across many low-risk units
Full-Coverage Preventive Agreement
The most-chosen tier: preventive tasks plus routine corrective labor and consumables included, with priority response. Balances predictable cost against everyday repair exposure.
- •Routine corrective labor and consumables included
- •Priority response between scheduled visits
- •Defined covered-vs-excluded scope
- •Fits most multi-tenant commercial buildings
Full-Service Labor & Parts Plan
The top tier: covered repair labor, defined parts and emergency call-out labor rolled into a fixed annual price. For mission-critical buildings that need maximum uptime and a predictable mechanical budget.
- •Covered labor and defined parts in one price
- •Emergency after-hours labor covered per terms
- •Highest dispatch priority
- •Strongest budget predictability for ownership
Why Property Teams Sign Their Service Contract With Com+
Transparent, comparable tiers
Every proposal states exactly what's covered, what's excluded, and the response priority per tier — so you can compare apples to apples instead of decoding vague scope language.
Whole-plant coverage under one contract
Rooftop units, chillers, boilers, towers, air handlers, VRF and controls can all sit under a single agreement, so coverage doesn't fall through the cracks between trades.
Built for property managers and facilities
Single point of contact, documented reporting after every visit, and COI and tenant-access coordination handled for you.
Contracts tied to energy and compliance
Our reporting frames condition and runtime findings around efficiency and emissions, supporting Local Law 97 benchmarking — not just a checklist of parts replaced.
Transparent Pricing
No fees. No surprises. Just honest service.
Inspection & Preventive Plan (Tier 1)
Scheduled preventive visits and documented condition reports; corrective repair labor and parts billed separately on time-and-materials.
- Scheduled PM visits at a defined frequency per system
- Filter, belt, coil and drain service plus logged readings
- Documented inspection report with photos after every visit
- Repairs and parts quoted and billed as time-and-materials
Full-Coverage Preventive Agreement (Tier 2)
Everything in Tier 1 plus routine corrective labor and consumables folded into the agreement, with priority response between visits.
- All scheduled preventive tasks across covered equipment
- Routine corrective labor and consumables included in-scope
- Priority emergency response ahead of non-contract calls
- Covered-vs-excluded matrix and seasonal changeover visits
Full-Service Labor & Parts Plan (Tier 3)
Covered repair labor, defined parts, and emergency call-out labor rolled into one predictable annual price — the closest thing to a fixed mechanical budget.
- Covered repair labor and defined parts included in the contract
- Emergency after-hours call-out labor covered per terms
- Highest response priority across the portfolio
- Consolidated reporting and capital-planning guidance for aging units
Tiers shown are coverage structures, not quotes. Every contract is scoped in writing after an on-site equipment survey, since cost depends on the number and type of units, building access, visit frequency and the coverage tier selected. Covered-versus-excluded scope (including refrigerant, controls and central-plant components) is defined per agreement before signing.
Own a Commercial Property?
Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.
Equipment & Brands We Service
Factory-trained technicians for all major HVAC manufacturers
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Frequently Asked Questions
Get answers to common questions about our services
What's the difference between an inspection contract and a full-coverage contract?
An inspection (Tier 1) contract buys scheduled preventive visits and documentation, but any repair labor and parts are billed separately on time-and-materials. A full-coverage preventive (Tier 2) contract folds routine corrective labor and consumables into the agreement, so most in-scope fixes during a visit don't generate a separate invoice. A full-service labor-and-parts plan (Tier 3) goes further, rolling covered repair labor, defined parts and emergency call-out labor into one predictable annual price. The right tier depends on how critical uptime is and how much budget predictability you want.
How do I know which contract tier my building actually needs?
It comes down to the consequence of failure. Non-critical spaces — a warehouse, a low-traffic common area — are often well served by an inspection plan. Buildings where an HVAC failure means unhappy tenants, lost revenue or a compliance issue usually justify full-coverage or full-service tiers on those systems. We assess your equipment and tenant criticality first, then recommend tiering coverage by risk rather than applying one level to everything.
Can I put different buildings — or different systems — on different tiers?
Yes. For multi-site portfolios we commonly place mission-critical buildings on a higher tier and others on inspection coverage, all under one master relationship with consolidated reporting and a single point of contact. Within a single building, critical systems can carry richer coverage than non-critical ones. We scope it to match how each property and system matters to your operation.
Is 24/7 emergency response included in the contract?
Agreement holders receive priority emergency response across the five boroughs and surrounding metro, dispatched ahead of non-contract calls. Whether the emergency call-out labor itself is included depends on your tier — it's covered under the full-service plan and billed under lower tiers. Preventive coverage reduces how often you need emergency service in the first place.
How does a service contract help with Local Law 97?
Equipment kept on a documented preventive schedule runs at its rated efficiency — clean coils, tuned combustion and correct control schedules all lower energy use, which directly affects your building's emissions and Local Law 97 exposure. Every tier produces documented condition and runtime reporting you can use for benchmarking and to defend efficiency decisions, and higher tiers make corrective work happen faster so efficiency-robbing faults don't linger.
What's typically excluded, even from a full-service contract?
The gaps between tiers usually live in refrigerant by the pound, BAS reprogramming, and major capital components like compressors, chiller tubes or heat exchangers — these are commonly excluded or sub-limited even on full plans. We define a clear covered-versus-excluded matrix in every agreement so there are no surprises, and we quote excluded or capital work separately with repair-versus-replace guidance before any work proceeds.
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Get a Side-by-Side Comparison of Your Service Contract Options
Send us your building or portfolio and we'll survey the equipment, then return written tier options — inspection, full-coverage preventive, and labor-and-parts-inclusive — with a clear covered-versus-excluded scope so you can compare them directly. Recurring planned service means fewer emergencies, predictable budgets, and one accountable HVAC partner across the NYC metro. Call (332) 600-4640 to start.
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