HVAC Systems

HVAC for a Slab-on-Grade House
Keeping HVAC systems within the conditioned enclosure can be tough without a basement; one option is to use plenum trusses for the roof, which offer a space for equipment and ductwork.
Which Refrigerant?
As the industry phases out R-410A due to environmental regulations, new refrigerant options—R-32 and R-454B—offer lower global warming potential, but the best choice depends on your technician's training and familiarity with these newer systems.
DIY Minisplit Installation
The Mr. Cool DIY minisplit system comes with precharged line sets that don't require special training to install.
The Air We Breathe
Source control, ventilation, and filtration are the keys to healthy indoor air quality. Dehumidification is important too.
HVAC Design for a Tight House in a Cold Climate
At the FHB House in New York, Jon Beer talks all things HVAC, including the difference between ERVs and HRVs, choosing makeup air for the kitchen, and minisplit installation.
Maximize HVAC Efficiency
This critical five-task commissioning process ensures forced-air heating and cooling is quiet, comfortable, and problem-free.
Managing HVAC Load Calculations
It is imperative for someone at the end of an HVAC installation to commission the job to ensure the efficiency of the system.
HVAC and Indoor-Air Quality
Travis and Joe explain the HVAC strategy for the FHB House, including zone systems, filtration, humidifiers, and dehumidifiers for ultimate comfort and air quality.
Critical Details for Ductless Heat Pumps
Trouble-free performance begins with properly installed line sets that pass rigorous testing for leaks.
8 Strategies for Effective Ductwork
The design and installation of a duct system plays a significant role in its overall performance.

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