Your Building's HVAC Is
Costing You Thousands
Every Month You Wait.
NYC's most-trusted commercial HVAC partner offers Preventive Maintenance from $396/year. Lock in fixed pricing, same-day service in <4 hours, and average 24% client savings.
✓ No contracts to start ✓ Serving all 5 boroughs ✓ Inc. 5000 recognized
Guarantee
Trusted by New York City's Top Businesses & Property Owners
Most Building Managers Wait Until It Breaks.
A single emergency HVAC failure costs NYC buildings $5,000–$15,000+ per event — plus tenant complaints, potential LL97 violations, and the scramble for a contractor at 2am.
Reactive maintenance is the most expensive maintenance. Every degree of deferred service compounds into energy waste, shortened equipment life, and compliance exposure.
What Maintenance-Related Issues Cause Breakdowns?
13 critical must-dos your building's HVAC system depends on — and what happens when they're skipped.
With Denair PMA vs. Without —
The Difference Is Staggering.
See exactly what your building looks like under each scenario.
The Break-Fix Trap
- ✕ Emergency-rate pricing — pay 2–3× for after-hours repairs
- ✕ Unpredictable budget hits — one breakdown blows your quarter
- ✕ Equipment fails 8–10 years early
- ✕ Tenant complaints, comfort issues, lease friction
- ✕ No technician relationship — you're a stranger in their queue
- ✕ Local Law 97 fines on the horizon
Total Protection, Total Predictability
- ✓ Fixed proposal pricing — no surprise invoices, ever
- ✓ 24% avg. client savings on overall HVAC spend
- ✓ Same-day service · usually within 4 hours
- ✓ Up to 10-year extended warranty on covered equipment
- ✓ Dedicated team of 28 NATE-certified technicians
- ✓ Local Law 97 & Con Edison incentive guidance included
Maintenance That Pays for Itself
Always-on performance, lower energy use, and zero surprises.
Peak Performance
Runs at maximum efficiency — calibrated systems consume up to 40% less energy, reflected in your monthly utility bill.
Longer Equipment Life
Precision tune-ups extend system lifespan by years — protecting your capital improvement investment across every borough building.
Fewer Breakdowns
Proactive deficiency reporting catches small issues before they cascade. No emergency calls, no tenant disruptions, no surprise invoices.
LL97 Compliance Ready
Every visit generates a compliance-ready deficiency report — documentation your building needs for LL97, ASHRAE, and insurance filings.
What's Covered in Every Visit
Our certified technicians inspect, test, and document every critical component — not just the parts that make noise. After each visit, you receive a written deficiency report with repair proposals and timelines.
Choose the Right Plan for Your Building
HVAC Preventive Maintenance starting at $396/year — for every building size and budget.
- Scheduled Inspections
- 24/7 Emergency Service
- 5% Parts Discount
- $165/hr Repair Labor
- Scheduled PM Visits
- Annual Coil Cleaning
- Dedicated Manager
- Priority Response
- Scheduled Inspections
- 24/7 Emergency Service
- 10% Parts Discount
- $155/hr Repair Labor
- Scheduled PM Visits
- Dedicated Manager
- Priority Response
- Annual Coil Cleaning
- Scheduled Inspections
- 24/7 Emergency Service
- Parts & Materials Included
- $145/hr Repair Labor
- Scheduled PM Visits
- Annual Coil Cleaning
- Dedicated Manager
- Priority Response (<4hr)
- Scheduled Inspections
- 24/7 Emergency Service
- Parts & Materials Included
- Repair Labor Included
- Scheduled PM Visits
- Annual Coil Cleaning
- Dedicated Manager
- Priority Response (<4hr)
* Service charge includes travel & parking. ** Labor rate per hour on-site. Coil cleaning included in Advanced & Premium. All plans include 24/7 emergency dispatch. Contact us for custom multi-building pricing.
Zero Downtime HVAC
Protection Plan
Annual HVAC protection so comprehensive, we guarantee your system won't fail — or Denair fixes it at no charge. This is more than maintenance. It's HVAC insurance.
Annual Performance Tune-Up
Full inspection, cleaning, calibration, and compliance documentation for LL97 & ASHRAE.
24/7 Priority Response
Jump the queue when things go wrong — guaranteed technician on-site in under 4 hours, any time, any borough.
Zero-Breakdown Guarantee
If your system fails after a Denair maintenance visit, we repair it free. No asterisks.
Energy Optimization Audit
Measure and verify your energy savings — and identify where ConEd & NYSERDA incentives apply.
Annual Compliance Report
Ready-to-submit PDF for LL97, insurance, and facility records — a $1,000+ value included in your plan.
$500 Spare Parts Credit
Annual parts allowance pre-loaded to your account — available from day one, no approval needed.
3-Year Inflation Lock
Lock in today's pricing for three years. No surprise rate increases as NYC labor costs rise.
"No Heat/No Cool" Insurance
If we can't restore your system within 24 hours, we cover temporary comfort equipment rental — tenants stay comfortable.
The math is simple.
One emergency HVAC failure costs your building $5,000–$15,000+.
Our plan prevents 90% of those events. And it starts at:
6-month satisfaction guarantee — full refund if you don't see measurable improvement.
How It Works
Four steps to reliable comfort and lower operating costs — we handle everything.
Schedule a Visit
Pick a time that works for your building. Our scheduler coordinates access with your team — zero disruption to operations.
Tune-Up & Inspection
A certified Denair technician performs a full system performance check — cleaning, calibration, load testing, and documentation.
Deficiency Report
You receive a clear post-visit report with findings, repair proposals, and timelines — so you fix small problems before they become emergencies.
Year-Round Comfort
Enjoy fewer breakdowns, lower energy spend, full LL97 documentation, and a dedicated manager who knows your building.
A Guarantee 95% of NYC HVAC Companies
Won't Match
All unintended costs absorbed at our expense.
Extended warranty available on covered equipment.
0.1% contract credit for every day of project delay.
If work doesn't meet code, we refund every cent.
NYC Buildings That Stopped Paying for HVAC Chaos
Real results from real buildings across all five boroughs.
From 3 Emergency Calls/Season to Zero
A 28-floor residential tower in Midtown had been averaging three after-hours HVAC emergencies per season at $8,000+ each. After enrolling in Denair's Advanced Plan, the building went two full years with zero emergency calls — and reduced energy costs by 27%.
LL97 Compliance Achieved. Fine Exposure Eliminated.
A mixed-use building in Dumbo faced $120,000 in potential LL97 fines. Denair's PM program — combined with automation controls upgrades — brought the building into full compliance. Annual compliance reports now come pre-packaged with every maintenance cycle.
Guest Comfort Complaints Dropped 80%
A 120-room boutique hotel in Long Island City had recurring guest complaints about inconsistent room temperatures — directly impacting TripAdvisor ratings. Denair's quarterly PM schedule identified chronic valve and control issues. Guest comfort complaints dropped by 80% within the first year.
You're already paying for HVAC — now make it pay you back in uptime, compliance, and savings. One predictable line item instead of chaos calls.— Denair HVAC, Serving NYC Since 2007
Everything You Need to Know Before Signing Up
Commercial HVAC systems require seasonal tune-ups (at minimum twice a year — spring and fall), annual coil cleaning, refrigerant checks, control calibration, filter replacement, and full electrical component inspection. For NYC buildings subject to LL97, annual compliance documentation is also essential.
At a minimum, twice annually for most commercial systems. High-use buildings — hotels, healthcare, data centers — benefit from quarterly visits. Our plan tiers are structured around your building's usage intensity and compliance requirements.
Reactive maintenance consistently costs 3–5× more than preventive maintenance when you factor in emergency labor rates, expedited parts, tenant disruption, and potential LL97 fines. A contract also gives you locked-in pricing, priority scheduling, and a dedicated manager who already knows your systems.
Yes. Denair HVAC services commercial buildings across Brooklyn, Manhattan, Queens, The Bronx, and Staten Island. We have technicians dispatched from multiple locations to guarantee our <4-hour response SLA across the entire metro area.
It means exactly what it says. If your system fails after Denair has performed a scheduled maintenance visit, we will repair it at no charge. No deductibles, no fine print. This applies to Protection Plan enrollees — ask us for the full terms.
For non-agreement customers, a $155 service charge applies (includes travel and parking). Agreement holders receive discounted or waived service charges depending on their plan tier. The first step is always a conversation — call (212) 776-1333 or use the form below.
Every maintenance visit produces a compliance-documented deficiency report. Our Advanced and Premium plans include a formal Annual Compliance Report ready for submission to insurers and the NYC DOB. We also identify ConEd and NYSERDA incentive opportunities that can offset your compliance upgrade costs.
Licensed, Insured & Authorized
Let's Build a Plan
Around Your Building.
Tell us about your property — square footage, system types, number of units, and borough. We'll respond within one business day with a tailored PM proposal.
- No-pressure estimate — we size the plan to your needs
- All 5 boroughs covered — same team, same SLA
- Response within 1 business day guaranteed
- Inc. 5000 recognized · 19 years NYC experience