It’s 11 PM in July. The AC just stopped. The house is 92°F and climbing. Or it’s 3 AM in January and the furnace is silent. House is 48°F and dropping. What do you do?
Two-sentence answer: do the 5-minute check below first (sometimes it’s a thermostat or breaker that fixes itself), then call us. JCE runs 24/7 emergency dispatch with no after-hours upcharge, same flat-rate diagnostic regardless of time.
Below is the protocol.
The 5-minute homeowner check
Before calling, check these five things. Sometimes it’s a 30-second fix.
1. The thermostat
- Confirm set to COOL (summer emergency) or HEAT (winter)
- Confirm fan setting on AUTO, not ON
- Check the screen, is it dark? Battery may have died. Replace AA/AAA batteries even if wired
- Set temperature 5°F below current room temp (cooling) or 5°F above (heating)
- Wait 2 minutes, does anything happen at the outdoor or indoor unit?
2. The breaker
- Walk to the electrical panel
- Look at each breaker, is one partially toggled or in the middle position?
- Look specifically for breakers labeled “AC,” “Condenser,” “Furnace,” or “HVAC”
- Reset ANY breaker that’s tripped (flip fully OFF, then back to ON)
- If a breaker trips again immediately, stop. Call us.
3. The disconnect (outdoor)
- Walk outside to the AC condenser
- Find the gray box on the wall next to it, that’s the disconnect
- Open it. Is the fuse cartridge fully seated? Is the disconnect handle in the ON position?
- Some HD wind events knock disconnects loose. Reseat firmly.
4. The filter (cooling emergency only)
- Pull the filter from the return-air slot or air handler
- Hold to a light bulb or window
- If you cannot see through it, it’s clogged. Replace it.
- Wait 30 minutes after replacement before judging, if the coil iced from the clog, it needs time to thaw.
5. The smell test (heating emergency)
- Walk near the furnace
- Sniff. Rotten eggs / sulfur = LEAVE the home. See Furnace Gas Leak Warning Signs.
- Burning electrical smell = turn off at breaker. Call us.
- Nothing unusual = continue troubleshooting.
If none of the above works, call us.
When to skip the check and call immediately
Don’t troubleshoot if any of these are true:
- You smell gas, leave the home, call SoCalGas (1-800-427-2200), then call us from outside
- CO alarm is sounding, leave the home, call 911, then us
- Water is dripping through the ceiling, main breaker OFF, contain water, call us immediately
- Indoor temperature already past 95°F (cooling emergency) or below 50°F (heating emergency) AND infants/elderly/sick household members, call without waiting through the check
- Burning smell from the indoor unit or attic, main breaker OFF, call
What our after-hours dispatch looks like
When you call us at 2 AM, here’s what happens:
- Real person answers within 3-4 rings. Not a call center. Not voicemail. The dispatcher knows your address from the caller ID if you’ve called before.
- 3-minute triage. Dispatcher asks: cooling or heating? Outdoor unit running? Anything smell wrong? Anyone in the home medically vulnerable?
- ETA quoted. Hesperia/Apple Valley after-hours: 45-90 min. Outer cities longer.
- On-call tech dispatched. Single tech in the on-call truck. He’s been home, asleep, or at a previous emergency call. He’s been an HVAC tech for 5+ years; we don’t send apprentices on emergency calls.
- Diagnostic on-site. $99 flat-rate, same as a daytime call.
- Repair quote. Most after-hours repairs are completed on the spot. Common quick fixes: capacitor swap, contactor replacement, thermostat fix, filter swap, flame sensor cleaning.
- Payment. Credit card on file, or arranged for next-business-day if you can’t process at 3 AM.
What “emergency” actually means
We use “emergency” specifically for these situations:
- Indoor temp will exceed safe range within a few hours (above 95°F summer, below 50°F winter with vulnerable occupants)
- Active gas or CO leak
- Active water damage
- HVAC failure during heat advisory (extreme heat, county-issued warning) or freeze warning
- Failure that’s blocking safe occupancy of the home
Not emergencies (can wait until morning):
- AC making a noise but still cooling
- Filter clogged
- Thermostat acting weird but heat/cool still functioning
- Routine repair needed
- Tune-up scheduling
We don’t price-gouge for non-emergencies that get called in at 2 AM. The dispatcher will offer “we can roll a truck now at standard rate, or we can schedule first thing in the morning, which works for you?” Choose based on actual urgency, not panic.
Quick decision tree
AC/Furnace stopped working at night.
Is anyone in the home medically vulnerable?
YES + temp extreme → CALL NOW (no troubleshooting)
NO → continue
Do you smell gas or hear a CO alarm?
YES → EVACUATE. Call SoCalGas/911. Then call JCE.
NO → continue
Is water leaking through the ceiling?
YES → Main breaker OFF. Call JCE.
NO → continue
Run the 5-minute check.
Fixed? Sleep on it. Call us tomorrow if you want a tune-up.
Not fixed? Indoor temp safe to wait until morning?
YES → wait, call us at 7 AM
NO → call now
The math on after-hours service
Sometimes homeowners wait until morning because they’re worried about after-hours pricing. At JCE that’s not necessary, we charge the same $99 diagnostic flat rate at 3 AM as we do at 3 PM.
| Provider type | After-hours diagnostic | After-hours labor multiplier |
|---|---|---|
| JCE | $99 | 1.0x (same as daytime) |
| Most local competitors | $185-$285 | 1.5x-2x |
| National chain HVAC | $250-$400 | 1.5x-2x |
(Pricing reflects 2026 HD market based on quotes shared by customers who switched to us from other providers.)
When to call
Call 760-983-2326 day or night. Real person answers, real tech arrives.
See our 24/7 emergency dispatch page, AC repair or furnace repair service pages, or any of these related posts: AC Not Cooling, Pilot Light Out, Gas Leak Warning Signs.