HVAC

Emergency HVAC Repair HVAC Companies

Furnace dead at 10 p.m. in a hard freeze, or AC gone at 3 p.m. in a heat advisory - both are the same problem: the house is drifting toward unsafe, and you need to know what to do in the next ten minutes, not the next week. Emergency HVAC dispatch runs around the clock, and about a third of these calls end up resolved by a five-minute check before the truck rolls.

Run the checks below first. If they do not bring the system back, call - and while the truck is on the way, use the season-specific steps to keep people, pipes, and pets safe tonight.

HVAC labor benchmark (U.S.)

Nationwide, Heating, Air Conditioning, and Refrigeration Mechanics and Installers earn a median of $61,010/yr. Labor is the biggest driver of hvac pricing, so costs run higher in states with higher trade wages - pick your state below for local figures.

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025 · SOC 49-9021

No Heat or No Cooling? Do These Things Tonight

The five-minute checks before you call

Thermostat: right mode, setpoint moved 5 degrees past room temperature, fresh batteries
Breakers: check the panel for a tripped HVAC breaker - reset once, never twice
Filter: a suffocated filter can shut a system down on safety limits
Switches: the furnace service switch looks exactly like a light switch, and gets bumped
Outside: in winter, clear snow and ice from vents and the heat pump; in summer, check the outdoor disconnect

A third of emergency calls end at one of these. If yours does not, make the call - then keep reading.

When it is 15°F outside: the pipe-freeze countdown

An average house drops several degrees per hour without heat in deep cold. Interior pipes typically become vulnerable as indoor temperatures fall into the 40s - roughly eight hours or more of cushion, less in wind or poorly insulated walls. Open cabinet doors under sinks and let faucets drip; if a long wait is unavoidable, shutting off the water main and draining faucets buys real protection.

When it is 100°F: the heat-illness watch

Heat kills more people than cold in most years. Watch for dizziness, nausea, confusion, and skin that stops sweating - those are 911 symptoms, not wait-for-the-tech symptoms.

Who Is in the House Changes the Math

Infants, people over 65, and anyone on powered medical equipment or heat-sensitive medications have far less tolerance in either direction. With vulnerable occupants, treat no-heat below freezing or no-cooling in an advisory as tonight problems, and consider relocating them to a neighbor, family, or a cooling center rather than waiting it out. Pets ride the same rules - and upper floors run several degrees hotter than the thermostat admits.

Safe Stopgaps Until the Truck Arrives

Heating one room

A space heater on its own outlet - never a power strip - on hard flooring, three feet from anything soft, in the room where everyone sleeps. Close the doors and heat the person, not the house.

Cooling one room

Lowest floor, blinds closed, one room per fan, cool showers, and water. A single window unit in one bedroom beats four fans pushing hot air around.

What never to do

No ovens or grills for heat, no generators indoors, ever. Every winter outage produces carbon monoxide deaths from exactly these improvisations.

The Carbon Monoxide Exception: Leave First, Call Second

If a CO alarm sounds - or the household shares headaches, nausea, or confusion that improve outdoors - get everyone outside immediately and call 911 from the yard. Not the HVAC company, not after gathering things. A failing furnace is one of the most common CO sources in a home, and this is the one scenario where the repair call comes second.

What Emergency Dispatch Actually Looks Like

After-hours work is triage: the tech's goal is safe heat or cooling tonight - a make-it-run repair from the parts the truck carries - with the permanent fix scheduled in daylight. Expect an after-hours premium of roughly $100 to $250 or time-and-a-half labor, quoted before the truck rolls by any legitimate dispatcher. What the truck cannot carry - specialty boards, coils, compressors - waits for morning, and honest companies say so on the phone.

Is It Actually an Emergency? The Honest Test

Tonight problems: no heat below freezing, no cooling in dangerous heat, anything gas-smelling, sparking, or CO-adjacent, and vulnerable people in the house. Morning problems: mild weather, a limping-but-running system, one warm room. Waiting for business hours on a morning problem commonly saves a couple hundred dollars - and if the system is running but weak, run the not-cooling checks before paying anyone a surcharge.

After the Emergency: The Follow-Up That Prevents the Next One

A make-safe repair is a bookmark, not an ending. Book the permanent fix while the failure is fresh - what broke and what fixing it costs is usually knowable from the tech's notes - and if this is the second emergency in two seasons on an aging system, the honest conversation is replacement math, with written quotes collected calmly instead of at midnight. The top-rated HVAC companies list flags verified 24/7 dispatch - worth bookmarking before the next outage, not during it.

Top-Rated HVAC Companies

When the checks fail and the house is drifting the wrong way, dispatch speed and honesty are everything - these companies are rated on verified after-hours response, with up-front surcharge policies.

Company	Headquarters	Phone
US 911 HVAC VerifiedFeatured	United States	(213) 771-9825
TempMaster Heating & Cooling Verified	Charlotte, NC	(813) 547-8460
AirLine HVAC Services	Nashville, TN	(407) 789-2020
Arctic Peak Heating & Air	Tampa, FL	(816) 558-9045
ClimateCare HVAC Co. Verified	Austin, TX	(614) 502-6274

How to Choose the Right HVAC Company

Confirm the after-hours surcharge and hourly terms on the phone, before the truck is dispatched.
Tell the dispatcher about infants, elderly occupants, or medical equipment - triage exists for exactly that.
Expect a make-safe-tonight plan with the permanent repair scheduled in daylight, and get both in writing.
Prefer companies whose night techs carry licensed gas and refrigerant credentials, not just on-call laborers.
Ask whether tonight's diagnostic fee credits toward the follow-up repair.

Frequently Asked Questions

Is no heat considered an emergency?

Below freezing, yes - pipes and people are both on a clock, and with infants, elderly occupants, or medical equipment in the house the threshold rises to urgent immediately. In mild weather, a dead furnace is usually a morning problem, and waiting for business hours avoids the surcharge.

Is no air conditioning ever an emergency?

In a heat advisory, with vulnerable occupants, or in a home that traps heat, yes. Heat illness escalates fast - confusion, nausea, and skin that stops sweating are 911 signs. A mild-weather AC failure with healthy adults in the house can almost always wait for daylight rates.

How much more does after-hours HVAC service cost?

Typically a $100 to $250 emergency surcharge or time-and-a-half labor, on top of the repair itself. A legitimate dispatcher quotes the after-hours terms on the phone before the truck rolls. Surprise surcharges announced in the driveway are a red flag.

What can I safely use to heat one room tonight?

A space heater plugged directly into its own wall outlet - never a power strip or extension cord - placed on hard flooring three feet from bedding and curtains. Close the room and heat the people. Never use ovens, grills, or anything combustion-based; those produce carbon monoxide.

At what indoor temperature do pipes start to freeze?

Risk climbs as indoor temperatures fall into the 40s, typically after eight or more hours without heat in hard cold - faster in wind or uninsulated walls. Dripping faucets and open cabinet doors buy time; shutting off the main and draining lines protects a house facing a long wait.

My carbon monoxide alarm went off - what do I do right now?

Get everyone, including pets, outside immediately and call 911 from outdoors. Do not ventilate first, hunt for the source, or gather belongings. A failing furnace is a common CO source; the fire department clears the house, and the HVAC call comes after.

How fast can an emergency HVAC technician arrive?

In season, real 24/7 companies typically land within one to four hours; during region-wide cold snaps or heat waves the queue stretches, and dispatchers triage by risk. Mentioning vulnerable occupants honestly moves you up the list - it is exactly what triage is for.

Will a temporary fix tonight raise the final repair bill?

Slightly, sometimes - you pay the after-hours visit plus the permanent repair later. But a make-safe fix protects pipes, people, and the equipment itself, which usually costs less than the water damage or compressor failure it prevents. Ask the tech to credit diagnosis toward the follow-up.