More stories about Forced-Air

• Heating With Sealed Combustion

  In a tight house, kitchen and bath exhaust fans can interfere with the natural draft of chimney-vented heating equipment. An energy expert explains how power vents and combustion air supply ducts can solve the problem.

• Are Your Houses Too Tight?

  Tight construction is now standard practice, and though it makes the house more energy-efficient, it can create serious indoor air quality problems. Three energy specialists team up to explain how to test for tightness and improve ventilation.

• Heat-Recovery Ventilators

  HRVs are still a mystery to many builders. A veteran installer describes how to select and install premium ventilation systems in tightly built homes.

• Adding On to Forced Hot Air

  Heating an addition may require adding hot air ducts. But does the existing furnace have enough capacity to handle them? Here’s how to find out.

• Focus on Energy: Using Heating Ducts For Ventilation

  Heating ducts for ventilation

• Getting the Most From Mechanical Cooling

  Most central air-conditioning systems, new and old, fall far short of their rated efficiency. Here’s how to install a system for top performance.

• Is This Chimney Safe?

  Every remodeler will eventually be asked, “Can you hook the new furnace to this old chimney?” Here’s the information you need to give the correct answer.

• Pop-Up Downdraft Vents

  This newest option in cooktop exhaust fans disappears into the countertop when not in use and provides venting where an overhead hood is not practical.

• Focus on Energy: Ventilating Heat Pumps

  Ventilating heat pumps

• Kitchen & Bath: Tying Into Existing Utilities

  Tying into existing utilities