Stories at this level: 6

Quick Tips for Keeping Cool
Looking to cut energy costs while still staying cool this summer? Start here

How air conditioning changed America
It opened the South to development -- but spelled an end to the front porch.

Ductless, Split-System Air-Conditioners
Here's an approach to consider in older houses where ductwork isn't feasible or desireable.

Air conditioner maintenance 101
Clean & service units before the heat of summer

Victorian Heat Efficiency
A pastor in England wonders if cast-iron radiators can heat as efficiently.

Choosing a Bathroom Fan
Thanks to improved design, bathroom exhaust fans can be unobtrusive as well as efficient. Look for a model with a low 'sone' rating.

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