The Cool Journey: A Brief History of Air Conditioning and Refrigeration
The Cool Journey: A Brief History of Air Conditioning and Refrigeration Air conditioning and refrigeration have come a long way […]
2026
Understanding Residential Electrical and Mechanical Inspections: What Homeowners Should Know
Understanding Residential Electrical and Mechanical Inspections: What Homeowners Should Know At Caledonian Mechanical, we believe in helping our customers understand
Understanding Title 24 HERS Duct Testing for Your HVAC System
Understanding Title 24 HERS Duct Testing for Your HVAC System If you’re upgrading or installing a new HVAC system in
Gas-Electric Package Furnaces (Including Ultra-Low NOx): A Simple Guide for Our Customers
Gas-Electric Package Furnaces (Including Ultra-Low NOx): A Simple Guide for Our Customers If your roof has a gas-electric package unit,
The Refrigeration Cycle
The Refrigeration Cycle If you’ve ever wondered how your AC or refrigerator actually makes things cool, here’s the simple truth:
Planned Maintenance Residential Heating & Cooling
Planned Maintenance Residential Heating & Cooling Why Caledonian Mechanical Is Fresno County’s #1 Choice for Planned Maintenance Simple, straight talk
The Everyday Guide to Refrigerants (and Where the Industry’s Going)
The Everyday Guide to Refrigerants (and Where the Industry’s Going) If you’ve ever glanced at an HVAC sticker and wondered
Guide to HVAC Load Calculations (Done the Caledonian Way)
Guide to HVAC Load Calculations (Done the Caledonian Way) When you replace or upgrade your heating and air system, the
Getting Ductwork Right: Why Proper Insulation and Sizing Make All the Difference
Getting Ductwork Right: Why Proper Insulation and Sizing Make All the Difference At Caledonian Mechanical, we’ve seen it all: from
Commercial Ice Machines 101
Commercial Ice Machines 101 What goes wrong, why it happens, and what a “full chemical clean” really means By Caledonian Mechanical