Welzig Blog

Furnace vs. Heat Pump: Which Fits Boulder County Winters?

Furnace vs. Heat Pump: Which Fits Boulder County Winters? Choosing between a furnace and a heat pump in Colorado starts with your house, not a blanket rule about the weather. A Longmont home with aging ducts may need a different plan from a newer Erie house. In Louisville or Lafayette, renovation history and comfort priorities … Continued

5 Signs Your Furnace Needs Repair Before the First Freeze

5 Signs Your Furnace Needs Repair Before the First Freeze The first cold night is a difficult time to discover that your furnace has been struggling for weeks. A change in sound, heating pattern, or energy use can provide an earlier clue. For homeowners in Boulder County and nearby communities, paying attention before daily heating … Continued

Colorado 97% AFUE Furnace Rule

Colorado 97% AFUE Furnace Rule Colorado homeowners have had a lot of information to sort through this year about the new furnace rules. If you have been following along, here is one specific update worth knowing about: on July 31, 2026, the ENERGY STAR efficiency threshold for furnaces in Colorado moved from 95% AFUE to … Continued

New Colorado HVAC & Water Heater Standards in 2026

New Colorado HVAC & Water Heater Standards in 2026 (No, You Don’t Have to Replace Everything)  If you’ve heard rumors about a “gas ban” or a hard deadline to replace your furnace or water heater—take a breath. Colorado’s HB23-1161 is a product standard that mostly affects what new equipment can be sold or leased in … Continued

Welzig Heating, Air, Plumbing & Electric Named Among the Best in Longmont

Welzig Heating, Air, Plumbing & Electric Named Among the Best in Longmont Longmont, CO – Welzig Heating, Air, Plumbing & Electric is proud to announce that we have been recognized in the Best of Longmont awards, earning honors in the category: Best AC/Heating Service, Plumber, and Electrician. The Best of Longmont awards celebrate the businesses … Continued