Forced Air Heating
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Adding New Exhaust Equipment
Before installing any type of exhaust system, determine its potential impact on the building's air safety
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Short-Term Indoor Air Quality Monitoring
Does a 1-hour-window look at a building's indoor air quality metrics yield useful information?
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How Do Heat Pumps Get Heat From Cold Air? Part 2
Reframing a common question to better understand why heat pumps really do work in extremely cold climates
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Building Code Meets Building Science
Five ways residential building codes have begun to align with building science–directed best practices
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Grilles, Registers, and Diffusers, Part 1
An in-depth look at how this oft-overlooked HVAC component functions and affects interior conditions
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Integrating an ERV or HRV into a Forced-Air System
This economical approach to healthy indoor air quality has its challenges
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Heat Pump or Furnace: Which is Better for Comfort?
It is a matter of distribution rather than air temperature
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Getting Started with Static Pressure Measurements
Understanding how static pressure affects a forced-air HVAC system can help optimize its performance
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Testing Ducts for Air Leakage
Two ways to test ducts for airtightness in order to meet 2021 energy code requirements
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Benefits of HVAC Filter Grilles
Four reasons to design duct systems with filters at the intakes
