Articles by Alex Ortega
Finding a Refrigeration Supplies Distributor Near You
An HVAC tech's guide to refrigeration supplies distributors. Learn what they stock, how they differ from retail, and tips for getting the right parts fast.
Cost to Replace AC Unit in 2025: A Detailed Price Breakdown
How much does it cost to replace an AC unit in 2025? Our guide breaks down prices by tonnage and the 7 key factors that determine your final, all-in quote.
How Long Does a Furnace Last? Average Lifespan and Replacement Signs
How long does a furnace last? An HVAC expert explains the average 15-20 year lifespan, key replacement signs, and tips to maximize its operational life.
Heater Smells Like Burning? 5 Common Causes and How to Fix It
A burning smell from your heater is alarming. Our HVAC expert guide helps you diagnose the cause, from harmless dust to serious electrical or safety risks.
Commercial HVAC Repair: Common Issues, Costs & Service Guide
A facility manager guide to commercial HVAC repair. Learn about common issues from rooftop units (RTUs), repair costs, and the ROI of preventative maintenance.
Heat Not Working in House? A Step-by-Step Troubleshooting Guide
House cold? Don't panic. Our expert HVAC guide walks you through 7 common reasons your heat isn't working, from simple thermostat fixes to when to call a pro.
Cool or Heat? Understanding Your Thermostat's Auto, Cool, and Heat Settings
Confused by your thermostat's Auto, Cool, and Heat settings? Our HVAC expert explains each mode to help you maximize home comfort and save on energy bills.
Heat Pump Troubleshooting: A DIY Guide Before You Call a Pro
Is your heat pump not working? Follow our HVAC tech's safe DIY troubleshooting checklist for thermostat, filter, and power issues before making a service call.
Furnace Service vs. Repair: A Tech's Guide to Costs & What to Expect
Confused about furnace service costs and repair needs? HVAC tech Alex Ortega breaks down the differences, what a tune-up includes, and common repair prices.