Effinity 93
(Models PTC/BTC)
Your Extended Forecast: 93% Efficiency with 100% Chance of Savings
Hydronic HVAC is pleased to introduce the Modine Effinity 93 (Models PTC/BTC), the most efficient gas-fired unit heaters in North America.
With ten propeller models available (from 55,000 to 310,000 BTU/hr) and 3 blower models available (from 215,000 to 310,000 BTU/hr), all operating at 93% efficiency, the Effinity93 will dramatically lower energy costs through decreased gas/propane consumption. For those looking to feel even more green, each unit will reduce CO2 output by roughly 13% versus comparable sized heaters.
Modine Effinity 93 Unit Heaters

The Conservicore™ secondary recuperative heat exchanger is fabricated from AL29-4C Stainless Steel for superior durability and has a convenient power vented capability. The PVC vent material is easy to install and extremely cost effective. Includes a contractor convenience package (standard on all units) including a service outlet, operational status lights for troubleshooting and external thermostat terminals.
Features
With the Effinity 93 you are assured the following features:
- Modine’s exclusive Conservicore™ technology relieves your fear of failure thanks to its ability to withstand acidic condensate
- A design that was made with contractors in mind for faster installation and lower installation costs
- Product line that’s built off the successful PTS-model footprint; all Effinity93 box sizes are equal to a corresponding PTS model
- The Contractor Convenience Package is standard on all units, allowing for easier connectivity and troubleshooting
Accessories
Modine makes it easy to accessorize your Effinity93 to meet your specifications:
- Complete line of accessories to handle the condensate
- Energy Saver Kit
- GFCI surge protection adapter plug
- 30, 60, 90 degree air deflector hoods
- Horizontal and vertical concentric vent kits
- Two-point mounting kit
- Conversion kits for natural gas and propane, including high-altitude
Specifications
Modine PTC 93% Efficient Separated Combustion Unit Heater Features:
- Uses 100% outside air for combustion.
- High efficiency condensing design allows for inexpensive venting with PVC or CPVC.
- Secondary heat exchanger is constructed with AL29-4C stainless steel – Don’t settle for anything less with condensing type unit heaters.
- Sealed compartment protects combination gas control, ignition control, manifold and burner.
- Horizontal or vertical concentric vent kits are available.
- 93% Thermal efficiency.
- Factory configured for use with propane or natural gas (please specify).
- 100% Shut-off with continuous retry direct spark ignition.
- Certified for commercial and industrial applications.
- Greater durability in “hostile” environments (environments possessing substances that may deteriorate the performance of the unit)
- External gas connections.
- Quiet operation.
- Durable polyester powder coat paint finish.
- Installs quickly and easily with field wiring connections and knockouts for quick access to gas and electricity.
- Standard power exhaust simplifies side-wall or roof venting with small diameter PVC or CPVC pipe.
Permanently-lubricated motor for trouble-free dependability.
Full 10 year parts warranty on heat exchanger, 2 year parts coverage on everything else.
Documentation
Model And Description |
Modine | PTC135 Gas Unit Heater | Modine Effinity93 Series | Separated Combustion | Propeller Fan | Natural Gas Or Propane | 93% High Efficiency | 135,000 BTU/HR Input |
Brand |
Modine |
Energy Source |
Natural Gas / Propane |
Voltage |
115 Volts 1 Phase 60 Hertz (Step Down Transformers Are Available For Other Voltages) |
Capacity |
135,000 BTU/HR |
Airflow |
2160 CFM |
Product Type |
Separated Combustion Gas Unit Heater |
Dimensions |
23.06”H x 35.53”W x 33.83”D
Gas Connection: .50″
Inlet Vent Connection: 3″ PVC
Outlet Vent Connection: 3″ PVC
Condensate Connection: 1/2″ PVC |
Weight |
165 Pounds |
Link To Catalogs |
- Modine PTC Modine Effinity93 Series Catalog (6-170.9)
- Modine Gas-Fired Unit Heaters Brochure (6-107.17)
- Modine PTC Effinity93 Series Distributor Brochure (80-154.7)
- Modine PTC Effinity93 Series Contractor Green House Brochure (80-166)
- Modine PTC Effinity93 Series Installation & Service Manual (6-563.10)
- Modine PTC Effinity93 Series Condensate Trap Installation Instructions (6-564)
- Good-Better-Best Gas-Fired Unit Heaters Models PDP, PTP, PTC (80-168.2)
- NG to LP Conversion – Models HD, HDB, HDS, HDC, PTP, PTS, BTS, PTC (75-515.5)
- LP to NG Conversion – Models HD, HDB, HDS, HDC, PTP, PTS, BTS, PTC (75-516.3)
- 2-Point Mounting Kit – Models HD, HDS, PTS, PTC (6-574.3)
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