One of the things I was most excited about, yet also most apprehensive about, was installation of the heat pump. Installation of refrigerant systems like AC units and heat pumps is a delicate process and requires quite a few expensive …

Step 25- Install the Heating Appliances Read more »

A heat pump consists of an indoor unit and an outdoor unit that are connected by a bundle of flexible piping and wiring called a lineset. The lineset provides a path for refrigerant, condensation, electrical power, and electrical communication signals …

Step 25a – Heat Pump Installation Read more »

The last step in installing the ERV was to duct the supply and exhaust to the exterior of the house. The manufacturer recommended using insulated flex duct for this portion of the install, since these ducts will run through unconditioned …

Step 19c – Exterior Ducting and Control Wiring Read more »

Installing ductwork properly is quite a bit more difficult than running pipes for plumbing or wires for electrical.  It is, in fact, so difficult that “more than half of new HVAC systems in U.S. homes do not perform to their rated …

Step 19b – Install the Ductwork Read more »

I meticulously planned out my electrical and plumbing runs before I even submitted my plans to get a building permit.  Unfortunately I had not done likewise with my ductwork.  I had planned for a conditioned space in the attic to …

Step 19a – Plan Out the Ductwork Read more »

Not too many people have ever heard of an ERV (Energy Recovery Ventilator), or the very similar HRV (Heat Recovery Ventilator).  The machines are relatively new to residential buildings so you would be hard pressed to find one in anything …

Step 19 – Install the Ventilation System Read more »