Sterling Unit Heaters Distributor
Knape Associates is an authorized Sterling unit heaters distributor. We supply gas-fired, oil-fired, and hydronic unit heaters, duct furnaces, makeup air units, and finned tube radiators.
| Warehouses & Distribution Centers | Manufacturing Facilities |
| Aircraft Hangars | Auto Service Centers |
| Agricultural Buildings | Loading Docks |
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Sterling HVAC Commercial Heaters
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Sterling HVAC Products
Sterling manufactures gas-fired, oil-fired, and hydronic heating equipment for commercial and industrial buildings. All products are ETL listed with 10-year heat exchanger warranties on select models.
Sterling Unit Heaters
Gas-fired unit heaters for spot heating in warehouses, shops, and industrial spaces. Propeller and tubular designs available.
| Model | Type | BTU Range | Efficiency |
|---|---|---|---|
Sterling GG Series | Low-profile propeller | 30,000–120,000 | 82%+ |
Sterling TF Series | Tubular, power-vented | 150,000–400,000 | 83% |
Sterling HU Series | High-efficiency condensing | Varies | 90%+ |
Oil-Fired Unit Heaters
| Model | Fuel | BTU Range |
|---|---|---|
Sterling QVOF Series | No. 1 & No. 2 fuel oil | 70,000–560,000 |
Steam & Hot Water Unit Heaters
| Model | Orientation | BTU Range |
|---|---|---|
Sterling HS Series | Horizontal | 8,030–360,000 |
Sterling VS Series | Vertical downflow | 41,300–705,000 |
VS Series available in 15 sizes with low-output variants for high-ceiling applications.
Sterling Duct Furnaces
Indoor duct furnaces for ducted heating systems. Supports temperature rises of 30–80°F and up to 2.0 in. w.c. static pressure.
| Model | BTU Range | Notes |
|---|---|---|
Sterling QVES Series | 100,000–400,000 | Aluminized or stainless steel heat exchanger |
Sterling RT / PV Series | 100,000–1,200,000 | Rooftop, single/double/triple configurations |
Sterling TD Series | Varies | Category III venting, vertical or horizontal |
Sterling Makeup Air Units
Indoor makeup air handlers for ventilation and temperature-controlled fresh air. 800–14,000 CFM capacity with optional DX cooling, chilled water, or evaporative cooling.
| Model | CFM Range | BTU Input |
|---|---|---|
Sterling ME Series | 800–14,000 | 100,000–1,200,000 |
Sterling MS Series | 800–14,000 | 100,000–1,200,000 |
MS Series features separated combustion with outside air intake.
Certifications
- ETL Listed (all gas-fired equipment)
- UL-1995 (makeup air units)
- Category I, III, IV venting certified
- 10-year heat exchanger warranty (TF, GG series)
Contact Knape Associates for Sterling HVAC product selection and quotes.
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- Carbon Capture Dampers Available