Tag modern boiler systems

Heating

Understanding Boiler Ratings & AFUE: What Efficiency Means Under Colorado’s New Clean Air Laws

HVAC technician testing a newly installed Ultra-Low NOx furnace in a residential basement.

Boiler ratings, particularly AFUE, are essential for understanding a boiler's energy efficiency and its impact on your home and the environment. Investing in a high AFUE boiler not only saves you money on utility bills but also contributes to a more sustainable future. In this article, we help you discover what they are and what they mean.

Michele Matthews
April 27, 2026

Heating

Boilers vs. Furnaces: Which Heating System Meets Today’s Efficiency Standards?

Choosing between a boiler and a furnace is no longer just about comfort—it’s about efficiency, compliance, and long-term operating cost. With new Colorado clean air regulations tightening efficiency requirements for heating systems, homeowners must understand how each option performs in real-world conditions and future-proofs their investment.

Michele Matthews
April 13, 2026