HVAC & Mechanical Articles
Articles on HVAC & Mechanical from Russ Motyko, a Certified Master Inspector with 3,000+ inspections in Oregon and Washington.
The Carrier Secondary Heat Exchanger Settlement: Which 90% Furnaces, and Whether the Warranty Still Applies
A 2008 settlement covered Carrier, Bryant, Payne, and Day & Night 90% furnaces with PPL heat exchangers. The models, serial dates, and 20-year warranty.
Radiant Ceiling Heat in Older Portland-Area Homes: How It Works, How It Fails, and What Replaces It
Some older all-electric homes heat through wires buried in the ceiling. How to tell, why nails and new...
Buying a Portland Home With a Heat Pump or Ductless Mini-Split
What a home inspection can and can't tell you about a heat pump or ductless mini-split in a...
Dryer Vent Problems: The Complete Guide for Portland and SW Washington Homeowners
Improper dryer venting is a preventable cause of house fires. Here is what to know about materials, length,...
Furnace Condensate Leak and Rust: What This Inspection Finding Means
Internal rust in a high-efficiency furnace signals a past or current condensate leak. Here is what buyers need...
R-22 Refrigerant: What Portland Homebuyers Need to Know About Aging AC Systems
R-22 refrigerant was phased out of production in 2020. If the home you're buying has an older AC...
HVAC Systems in Portland Homes: What Agents Need to Know
What agents need to know about HVAC systems in Portland-area homes: common types, typical issues, and how inspection...