WEIL-MCLAIN Evergreen Natural Gas Boiler - 143 MBH - 95.1% AFUE

The WEIL-MCLAIN Evergreen™ 143 MBH Hot Water Natural Gas Boiler is a high-efficiency, condensing natural gas boiler with a stainless steel fire-tube heat exchanger and 95.1% AFUE, ideal for residential and light commercial heating applications.

🔥 Product Overview
- Model: Evergreen™ EVG 155
- BTU Input: 143,000 BTU/hr (143 MBH)
- AFUE Efficiency: 95.1%
- Fuel Type: Natural Gas or Propane
- Boiler Type: Hot water condensing gas boiler
- Heat Exchanger: Stainless steel fire-tube design

🧱 Construction & Features
- Durable Design: Non-metallic base and corrosion-resistant stainless steel heat exchanger
- Flexible Installation: Floor-standing or wall-mounted options (wall mount kit available for larger sizes)
- Quiet Operation: Low-noise combustion and circulation systems
- Smart Controls: Advanced digital control panel with ZoneStacking™ for up to 24 programmable zones
- Environmental Sustainability: Low NOx emissions and ENERGY STAR® certified

📐 Technical Specs
- DOE Heating Capacity: 143 MBH
- Net IBR Rating: 124 MBH
- Vent Type: Direct vent (sealed combustion)
- Connections: 1-1/4" supply and return; 1/2" gas inlet
- Dimensions: 17-5/8" W × 18-5/8" D × ~36" H
- Warranty: Limited lifetime warranty on heat exchanger

✅ Key Benefits
- Ultra-high 95.1% AFUE for maximum energy savings
- Compact footprint and sleek design for modern installations
- Ideal for multi-zone residential or light commercial systems
- Compatible with smart thermostats and building automation systems
- Meets DOE 2021 efficiency standards

The WEIL-MCLAIN Evergreen™ 143 MBH Boiler combines cutting-edge efficiency with durable construction and flexible control options. It’s a top-tier choice for homeowners and contractors seeking reliable, eco-friendly heating.

We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

Contact us today at (631) 779-3196