Heating & Cooling How To & DIY
Improve the value of your home by discovering our heating & cooling step-by-step tips & ideas.
Baseboard Heater Cover Removal and Replacement
Here’s how to remove your old baseboard heater covers and replace it with a new one for a fresh, clean look.
How to Maintain a Steam Radiator
In this how-to video, This Old House plumbing and heating contractor Richard Trethewey shows how to silence a whistling radiator.
How to Install a Thermostatic Steam Radiator Valve
Add controls to a steam radiator with these step by step instructions and video to guide you.
How to Install a Mini-Split Air Conditioner
In this how-to video, keep cool with This Old House plumbing and heating expert Richard Trethewey
How to Build a Radiator Cover Cabinet
Give your radiator a fresh look with this simple DIY cover.
Winter Construction Dome
Work 'tents' let your projects progress in the deep freeze
All About Building an HVAC
Keep reading to learn about the best HVAC technologies for indoor comfort and energy efficiency, according to This Old House plumbing and heating expert Richard Trethewey.
Vintage Radiators 101
Vintage iron radiators offer comfort on a cold day and style year-round in new and old houses alike. Learn more in the quick guide.
Fall Furnace Maintenance
Now's the time to service your heating system
10 Easy Ways to Cool Your Home
Staying cool doesn't necessarily mean you have to pay a fortune to keep the air-conditioning running day and night. Here are 10 ways to keep your home cool in the warmer months.
Comfortable Construction: Temporary Heat in a Cold Climate
HVAC specialist Richard Trethewey explains how he used a portable heating system using a material called PEX to keep the This Old House team warm while working in Massachusetts.
Central Air Installation: Costs & Best Units to Get
Want to install central AC to your home? Read this guide to learn more about central air installation, from installation costs to selecting the best unit.