Lower Antelope Canyon has the cheapest entrance fee of anyone in town. Adult Total Cost : $18.50 Children (5-12) Total Cost : $12.50 Group Discounts Avaliable (8 or more people) Navajo Nation Park pass is $6.00 Per person. This fee IS included with the prices above. The pass is valid for both canyons.
Solar heating is the most efficient home heating system on all three criteria, and electric is the least efficient and least affordable. If you want to know why electric heating is so inefficient and expensive, or how to save on electric heating, see my Energy efficient electric heaters page.
Efficiency in furnaces is very high. For ACs and heat pumps, efficiency is medium-high, but not the highest in the industry. The rest of the Goodman HVAC components are a mix of single-stage and two-stage models. Furnaces range from 80% efficiency to the mid-90s and have a mix of variable-speed, multi-speed and single-speed blowers.