Trio Boilers – Maximum Efficiency for NH Winters

95% AFUE modulating boilers with panel radiator expertise. Factory-direct pricing for Epsom & Southern NH homes.

Why Trio Boilers Excel in NH

Trio Advantages for Cold Climate:

95% AFUE Modulating Burner: Adjusts firing rate 10-100% (vs on/off boilers)
Panel Radiator Optimized: Designed for hot water radiator systems
Stainless Steel Heat Exchanger: 15+ year lifespan, no cast iron corrosion
Factory-Direct: 30-40% savings vs big box brands

Trio vs Traditional Boilers:

Feature	Trio	Weil-McLain	Crown	Buderus
AFUE	95%	83%	82%	87%
Modulation	10-100%	On/Off	On/Off	25-100%
Heat Exchanger	Stainless	Cast Iron	Cast Iron	Cast Iron
Price (Installed)	$8K	$12K	$11K	$14K

Complete Radiator System Installation

Heat Loss Analysis

Manual J boiler sizing + radiator audit. Perfect BTU match.

Zoning Design

Thermostatic radiator valves per room. No more thermostat wars.

Factory Setup

Trio-trained techs program outdoor reset. 95% AFUE guaranteed.

Read: what our customers say about us!

Frequently Asked Questions

Our technicians hold Mitsubishi’s top-tier Diamond Elite certification through in-person factory training programs. This rare NH designation ensures every install meets exact manufacturer specs for maximum performance, efficiency, and full 12/12 warranty protection.

Yes—95% compatible with old iron radiators. Free valve upgrade included.

Combi = instant hot water, 50% less space. Perfect for radiator homes.

Whisper quiet—45dB (library conversation level).

$150 annual tune-up. Stainless exchanger = no corrosion issues.

Southern NH’s Trio Boiler Headquarters

Factory Direct – Panel Radiator Experts – Epsom & Beyond