ECO Tec and Evergreen Pro
These are high-efficiency condensing boiler families with model-specific outputs and control arrangements.
Fuel, input/output range, turndown, venting, piping, condensate, water quality and warranty.
Residential hydronic boilers. Use this page to normalize competing proposals without assuming one brand or product line fits every home.
Manufacturer information reviewed August 11, 2026. These are product-family orientations—not prices, stock, rankings or proof that a quoted combination is certified.
These are high-efficiency condensing boiler families with model-specific outputs and control arrangements.
Fuel, input/output range, turndown, venting, piping, condensate, water quality and warranty.
Weil-McLain also lists traditional cast-iron residential boiler configurations whose ratings, venting and piping requirements vary by exact model and fuel.
Net AHRI rating, fuel, chimney/venting, circulator and piping scope, controls and warranty.
Weil-McLain residential boilers ↗
Product names, availability and specifications can change. Confirm the exact model and latest dated document before signing.
Do not compare a premium matched system against an entry-level equipment-only price as if the scopes were equal.
Record indoor and outdoor model numbers, capacity and matched-system references.
Separate equipment from labor, permits, electrical work, controls, accessories and commissioning.
Compare the metric and test basis appropriate to the system, including SEER2, EER2, HSPF2, AFUE, UEF or solar production assumptions.
Separate manufacturer parts coverage, registration requirements and contractor labor coverage.
Confirm qualified installation, service coverage, parts access and escalation routes in your area.
Compare cash and financed price, energy, maintenance and likely repairs over 5 and 10 years.
Manufacturer coverage and contractor labor responsibility are different commitments.
Which exact Weil-McLain model numbers and matched components are included, and where are their current performance certificates?
Which parts of the Weil-McLain warranty require registration, qualified installation or documented maintenance, and who completes them?
Who provides labor coverage, routine service and parts support locally if the system needs attention after installation?
Start with home fit and installation scope, then evaluate exact models.
Verify current product data, contractor scope and five- or ten-year ownership assumptions.