Tag HVAC compliance Colorado

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

What Do Colorado’s 2026 Emissions Laws Mean for Denver Homeowners?

Colorado State Capitol with scales of justice and “New Law” document symbolizing new Colorado legislation.

Colorado’s 2026 emissions laws require new furnaces, water heaters, and certain HVAC equipment sold or installed after January 1, 2026 to meet Ultra-Low NOx and ENERGY STAR standards. Denver homeowners are not required to replace working systems, but future repairs, replacements, and planning decisions will be directly affected—especially along the Front Range.

Michele Matthews
February 2, 2026