Free Homeowner Guides

Straight Answers About Your HVAC

Written by the A&S Cooling team — family-owned South Jersey HVAC contractors since 2003. What to check, what things really cost, and when to call. No sales pitch.

Technician diagnosing an air conditioner
Cooling · Summer

AC Running But Not Cooling? The 7 Most Common Causes

Two of the seven you can fix yourself in ten minutes. What to check, in order, before you call anyone — and when to stop DIY.

Read the Guide →
Furnace being serviced
Heating · Costs

Furnace Replacement Cost in NJ: What Drives the Price

The 7 factors that set the price, what a legitimate written quote must include, and the red flags that mean keep shopping.

Read the Guide →
Technician checking a furnace
Heating · Troubleshooting

Furnace Won't Turn On? Check These 7 Things First

Four of the seven are free ten-minute checks — including the wall switch that gets flipped by accident constantly.

Read the Guide →
Heat pump outdoor unit
Replacement · Comparison

Heat Pump vs. Furnace in NJ: Which One Makes Sense?

An honest comparison for NJ winters — who wins by fuel type, home age, and whether your AC is also due.

Read the Guide →
Technician reading refrigerant gauges
Maintenance

Are HVAC Tune-Ups Worth It? What's Actually Included

What a legitimate tune-up includes, what it prevents, when it's NOT worth it, and the warranty fine print nobody mentions.

Read the Guide →
More guides coming soon — have a question you'd like answered? Call (856) 312-8499 or send it to us.