NYC HVAC Guides
Straight Talk About HVAC in New York City
No fluff, no generic advice. These guides cover the real decisions NYC building owners, property managers, and contractors face when dealing with through-wall AC, PTAC replacements, and pre-war building HVAC projects.
Equipment Selection
PTAC vs Through-the-Wall AC: What NYC Buildings Need to Know
The real differences between PTAC units and through-wall split systems, when each makes sense, and the sleeve compatibility issues that trip up NYC building owners.
Read GuideSizing & Specs
Through-the-Wall AC Sizing Guide for NYC Apartments
How to measure your wall sleeve, match BTU capacity to room size, and avoid the voltage and amperage mistakes that plague NYC building replacements.
Read GuidePre-War Buildings
High-Velocity HVAC for NYC Pre-War Buildings
Why small-duct high-velocity is often the only viable AC option for pre-war apartments, how the installation works, and what the project actually costs.
Read GuideBoard Approval
NYC Co-op and Condo HVAC Approval Guide
What your board actually requires for HVAC work, how alteration agreements work, insurance minimums, and realistic timelines for getting approval.
Read GuideEquipment Guide
Aerosys TTWC Condenser Guide: Models, Specs & NYC Compatibility
Complete breakdown of all 6 Aerosys through-the-wall condenser models. Standard vs LX series, pricing, sizing for NYC apartments, and how they compare to NCP and AboveAir.
Read GuideCommercial Guide
Commercial HVAC in New York City: Systems, Codes & What Building Owners Need to Know
Through-wall condensers, high-velocity systems, Local Law 97 compliance, and DOB permit requirements for NYC offices, hotels, retail, and mixed-use commercial buildings.
Read GuideRetrofit Guide
Fan Wall Retrofit in NYC: Replacing Outdated HVAC in Pre-War & Commercial Buildings
How NYC buildings replace aging central fan systems with modern through-the-wall condensers, high-velocity systems, and fan coil units. Retrofit options, costs, permits, and equipment sizing.
Read GuideBrownstone Guide
Best HVAC Options for NYC Brownstones: A Contractor's Guide
Brownstones have unique HVAC challenges — no ductwork, thick masonry walls, narrow lots, and Landmarks restrictions. High-velocity systems, through-the-wall condensers, and what actually works.
Read GuideNeed Help Choosing Equipment?
Send us your sleeve dimensions, room layout, and building specs. We’ll tell you exactly what fits and what it costs. No runaround.