high efficiency water heaters

TL;DR: This article argues that the fight over the DOE furnace and water heater rule is really a fight over whether energy policy reflects how HVAC systems are installed in the real world. Higher-efficiency equipment has clear value, but mandates become problematic when they ignore retrofit constraints, labor shortages, consumer affordability, and regional infrastructure … [Read more...] about DOE Furnace Rule Fight Exposes Gap Between Energy Policy and HVAC Field Reality