AC not cooling? Get the answer first — then the right help.
Plain-English guidance for the $5,000–$15,000 decisions homeowners dread. Diagnose the problem, learn what the fix really costs, and — when you need a person — connect with a licensed local pro in minutes.
What’s your AC doing?
Pick the symptom — we’ll show the likely causes, the cost to fix, and whether it’s a DIY check or a call-a-pro job.
Contact HVACFixProCooling problems, ranked by what they actually cost
Start here. Each guide leads with the most likely cause, names the cheap DIY checks, and tells you the moment it becomes a call-a-pro job.
AC Blowing Warm Air? 12 Causes Ranked by Likelihood & Cost
From a $0 thermostat fix to a $1,200 compressor call — in the order you should actually check them.
AC Not Cooling: Troubleshooting Before You Call a Pro
Five safe checks that fix it about a third of the time — and the three signs you should stop and call.
Frozen AC Coil: Why It Happens & the 3 Fixes
Turn it off first — here’s why. Then the airflow and refrigerant causes, and which one needs a tech.
Repair it again, or replace it? Run the real numbers.
A new system is one of the biggest checks a homeowner writes. Our replacement guides use the 50% Rule, your unit’s age, and 2026 regional pricing so you don’t replace too early — or pour money into a system that’s done.
- What a full AC replacement runs in 2026 — by size, SEER, and region
- When a $2,500 repair is smarter than a $12,000 replacement
- How to size a system correctly (and why “match the old one” overpays)
AC Replacement Cost Estimator
Home size, system type, and efficiency → a realistic 2026 price range, emailed as a printable breakdown.
Free · no obligation
The 2026 AC Replacement Cost Cheat-Sheet
One page: what a new system really costs by size, SEER, and Northern California region — plus the five questions that catch an overpriced quote. We’ll email it instantly.
Trane vs. Carrier vs. Lennox — without the sales spin
Manufacturer sites won’t tell you where they’re weak. We will. Honest comparisons on reliability, parts availability, warranty reality, and price-per-ton.
Trane vs. Carrier vs. Lennox: Honest 2026 Comparison
Who actually wins on reliability, dealer network, and total installed cost.
Mini-Split vs. Central AC: When Each One Wins
Cost, efficiency, and the room layouts that make ductless the obvious call.
How to Size an AC: Manual J Made Simple
A worked example so you can sanity-check any contractor’s tonnage before you sign.
Informed first. Connected second.
Understand the problem
Use our guides and calculators to learn what’s wrong and what a fair price looks like.
Call a licensed pro yourself
Get two or three quotes from licensed local contractors, and verify each licence before you sign. We don’t match you with anyone.
Decide with confidence
No obligation. You already know the numbers, so you can tell a good quote from a bad one.
See the fix before you call
Our video walkthroughs show the exact part, the exact check, and the moment to stop and call a pro — gloved-hands diagnostics, no jargon. New videos through the cooling season.
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