How to Match a Furnace to a 3.5 Ton AC (BTU, AFUE, Blower Speed)

How to Match a Furnace to a 3.5 Ton AC (BTU, AFUE, Blower Speed)

Mike explains exactly how to match a furnace to a 3.5-ton AC using BTU sizing, AFUE efficiency, blower CFM, heat rise limits, and staging options for perfect performance.

Sizing Guide for 3.5 Ton Systems: When It’s the Perfect Fit for Your Home

Sizing Guide for 3.5 Ton Systems: When It’s the Perfect Fit for Your Home

Mike explains when a 3.5-ton HVAC system is the perfect fit using climate zones, heat-load math, house size charts, and real examples, so homeowners size with confidence.

What’s Included in a 4-Ton AC + Furnace System (And What Isn’t)?

What’s Included in a 4-Ton AC + Furnace System (And What Isn’t)?

Mike breaks down everything included — and NOT included — in a real 4-ton AC + furnace system, covering equipment, ductwork, electrical, accessories, and must-have upgrades.



Mike’s Noise Control Guide for 4-Ton Systems:  Big Power Without the Roar

Mike’s Noise Control Guide for 4-Ton Systems: Big Power Without the Roar

Mike’s guide to eliminating noise in 4-ton HVAC systems — covering airflow, duct design, static pressure, blower tuning, condenser placement, and real noise fixes.



The Truth About 4-Ton Airflow:  Why Ductwork Determines 50% of Performance

The Truth About 4-Ton Airflow: Why Ductwork Determines 50% of Performance

Mike explains why ductwork determines 50% of a 4-ton HVAC system’s performance, covering airflow, static pressure, returns, trunks, staging, and real-world comfort.



4-Ton Heat Pump vs 4-Ton AC + Furnace:  Which Should You Choose?

4-Ton Heat Pump vs 4-Ton AC + Furnace: Which Should You Choose?

Mike compares 4-ton heat pumps vs 4-ton AC + furnace systems, covering climate, efficiency, heating strength, comfort, staging, and real-world performance.



How Efficient Are 4-Ton Systems Really?  SEER2, EER2 & Real Heat-Load Performance

How Efficient Are 4-Ton Systems Really? SEER2, EER2 & Real Heat-Load Performance

Mike breaks down real-world 4-ton AC efficiency, SEER2/EER2 ratings, airflow, duct pressure, heat-load performance, humidity impact, and staging differences.



Will a 4-Ton System Fit Your Home?  Mike’s Guide to Condenser Size, Clearance & Utility Room Layout

Will a 4-Ton System Fit Your Home? Mike’s Guide to Condenser Size, Clearance & Utility Room Layout

Mike explains whether a 4-ton AC + furnace system will fit your home, covering condenser clearance, furnace height, duct size, airflow needs, and utility room layout.



Single-Stage vs Two-Stage vs Variable-Speed:  Which 4-Ton System Actually Makes Sense for Your Home?

Single-Stage vs Two-Stage vs Variable-Speed: Which 4-Ton System Actually Makes Sense for Your Home?

Mike compares single-stage, two-stage, and variable-speed 4-ton AC systems, explaining comfort, humidity control, noise, duct pressure, efficiency, and best staging choices.



How Much Does a 4-Ton AC + Furnace System Cost in 2025?

How Much Does a 4-Ton AC + Furnace System Cost in 2025?

Mike breaks down the real 2025 cost of installing a 4-ton AC + furnace system, including equipment, labor, ductwork, electrical, hidden fees, and smart homeowner savings.



Furnace Pairing 101: How to Match a 4-Ton AC With the Right BTU Furnace

Furnace Pairing 101: How to Match a 4-Ton AC With the Right BTU Furnace

Mike explains how to perfectly match a 4-ton AC with the right furnace, including blower sizing, staging, coil width, airflow, duct capacity, and real-world performance.



Is a 4-Ton AC System Right for Your Home?  Mike’s Sizing Formula for Big Spaces

Is a 4-Ton AC System Right for Your Home? Mike’s Sizing Formula for Big Spaces

Mike explains when a 4-ton AC is the right choice, how to size it correctly, ductwork requirements, furnace pairing, heat load factors, and real-world performance rules.