Heating & Cooling Renovation

From insightful plans to how to guides, learn about all things heating & cooling renovation.


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How to Diagnose a Frosty Air Conditioner

Ask This Old House plumbing and heating expert Richard Trethewey discusses the possible causes and solutions for a frozen air conditioner.

Quick-and-Easy Weathersealing

Routing grooves in door bottoms and jambs isn't your cup of tea? No time left before winter winds start blowing? Consider the barbless silicone weatherstripping from Resources Conservation