Brand Repair Page
SpacePak High-Velocity System Repair in NYC
AM Profs Inc diagnoses and repairs SpacePak Small Duct High Velocity (SDHV) systems and air-to-water heat pumps across New York City brownstones and historic buildings where conventional ductwork doesn't fit. If airflow has dropped from a clogged filter or kinked flex duct, we start from the actual fault.
24/7 urgent repair is available for SpacePak systems, including weekends and holidays.
Covered Equipment
Small Duct High Velocity (SDHV) air handlers
2-inch flexible high-velocity ductwork
Air-to-water heat pumps
Hydronic air handler integration
SpacePak's high-velocity air handlers and 2-inch flexible ducts were specifically designed to retrofit true central heating and cooling into historic NYC brownstones and older buildings without traditional ductwork space.
Quick Answer
What is the most common SpacePak repair issue in NYC?
The most common SpacePak issue is reduced airflow from a clogged filter or a kinked flexible duct — because SDHV systems rely on high static pressure to work through their narrow 2-inch ducts, they're more sensitive to airflow restriction than conventional ductwork. Clearing the restriction typically restores performance.
Last updated: July 2026
Why SpacePak Repairs Need Brand-Specific Service
SpacePak is widely recognized as a pioneer of the Small Duct High Velocity (SDHV) system, using flexible 2-inch diameter ducts to deliver conditioned air — technology specifically designed to retrofit central heating and cooling into older buildings where traditional large ductwork simply can't fit.
The brand is owned by Mestek, Inc., a manufacturer of HVAC and architectural products.
What Makes The Brand Different
Built for brownstones without ductwork space
SpacePak's high-velocity air handlers and 2-inch flexible ducts are a genuine solution for historic NYC brownstones and apartments where conventional ductwork can't be routed through existing walls and ceilings without major structural work.
The newer air-to-water heat pump line integrates directly with these high-velocity air handlers, providing hydronic heating without fossil fuels — a real option for all-electric retrofits in space-constrained buildings.
SpacePak Systems We Service
Common symptoms, likely causes, what we check first, and when to call for each system type.
SDHV Air Handler & Ductwork
Common symptoms: Reduced airflow from vents, uneven room temperatures, or unusually loud air delivery.
Likely causes: Clogged filter, kinked or crushed flexible duct, or a blower motor issue.
What we check first: Filter condition, duct routing and kinks, and blower motor operation.
What work is done: Filter replacement, duct straightening or replacement, and blower motor service.
When to call: If airflow has clearly dropped or one room isn't getting conditioned air.
Air-to-Water Heat Pump
Common symptoms: Reduced heating output, or the system isn't integrating correctly with the air handler.
Likely causes: Refrigerant charge issue, heat exchanger fault, or a control integration problem.
What we check first: Refrigerant charge, heat exchanger condition, and control communication with the air handler.
What work is done: Refrigerant service, heat exchanger repair, and control integration correction.
When to call: If heating output drops or the system doesn't respond correctly to the air handler.
Frequently Asked Questions
Why is SpacePak used in NYC brownstones specifically?
Its Small Duct High Velocity system uses flexible 2-inch ducts that fit into existing wall and ceiling cavities, providing true central heating and cooling without the major structural work conventional ductwork would require.
Why does my SpacePak system lose airflow so easily?
SDHV systems rely on high static pressure through narrow 2-inch ducts, so they're more sensitive to filter clogs or kinked ductwork than conventional systems — clearing the restriction usually restores airflow.
What is a SpacePak air-to-water heat pump?
It's a heat pump that integrates directly with SpacePak's high-velocity air handlers to provide hydronic heating without fossil fuels, relevant for all-electric retrofit projects.
Is SpacePak the same as a ductless mini-split?
No — SDHV is true central, ducted air delivery through very narrow flexible ducts, different from ductless mini-splits which use individual wall-mounted indoor units with no ductwork at all.
What areas of NYC do you cover for SpacePak repair?
We schedule SpacePak repair across Manhattan, Brooklyn, Queens, and the Bronx.